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ALEXANDERS THEOREM

  • Alexander's theorem
  • Every knot or link can be represented as a closed braid

    In mathematics Alexander's theorem states that every knot or link can be represented as a closed braid; that is, a braid in which the corresponding ends

    Alexander's theorem

    Alexander's theorem

    Alexander's_theorem

  • Markov theorem
  • Gives necessary and sufficient conditions for two braids to have equivalent closures

    given by Alexander's theorem which states that every knot or link in three-dimensional Euclidean space is the closure of a braid. The Markov theorem, proved

    Markov theorem

    Markov theorem

    Markov_theorem

  • Pythagorean theorem
  • Relation between sides of a right triangle

    In mathematics, the Pythagorean theorem or Pythagoras's theorem is a fundamental relation in Euclidean geometry between the three sides of a right triangle

    Pythagorean theorem

    Pythagorean theorem

    Pythagorean_theorem

  • Braid group
  • Group whose operation is a composition of braids

    represented as the closure of certain braids (a result known as Alexander's theorem); in mathematical physics where Artin's canonical presentation of

    Braid group

    Braid group

    Braid_group

  • Jordan curve theorem
  • Theorem in topology

    In topology, the Jordan curve theorem (JCT), formulated by Camille Jordan in 1887, asserts that every Jordan curve (a plane simple closed curve) divides

    Jordan curve theorem

    Jordan curve theorem

    Jordan_curve_theorem

  • Borde–Guth–Vilenkin theorem
  • Theorem in physical cosmology

    The Borde–Guth–Vilenkin (BGV) theorem is a theorem in physical cosmology which deduces that any universe that has, on average, been expanding throughout

    Borde–Guth–Vilenkin theorem

    Borde–Guth–Vilenkin_theorem

  • List of theorems
  • theorem (logic) Diaconescu's theorem (mathematical logic) Easton's theorem (set theory) Erdős–Dushnik–Miller theorem (set theory) Erdős–Rado theorem (set

    List of theorems

    List_of_theorems

  • Fundamental theorem of algebra
  • Every polynomial has a real or complex root

    The fundamental theorem of algebra, also called d'Alembert's theorem or the d'Alembert–Gauss theorem, states that every non-constant single-variable polynomial

    Fundamental theorem of algebra

    Fundamental_theorem_of_algebra

  • Hairy ball theorem
  • Theorem in differential topology

    The hairy ball theorem of algebraic topology (formally, the Sphere Vector Field Theory, sometimes called the hedgehog theorem) states that there is no

    Hairy ball theorem

    Hairy ball theorem

    Hairy_ball_theorem

  • Knot (mathematics)
  • Operation combining two oriented knots

    in the n + 1-sphere for all n. This is a theorem of Morton Brown, Barry Mazur, and Marston Morse. The Alexander horned sphere is an example of a knotted

    Knot (mathematics)

    Knot (mathematics)

    Knot_(mathematics)

  • Riemann–Roch theorem
  • Relation between genus, degree, and dimension of function spaces over surfaces

    The Riemann–Roch theorem is an important theorem in mathematics, specifically in complex analysis and algebraic geometry, for the computation of the dimension

    Riemann–Roch theorem

    Riemann–Roch_theorem

  • Grothendieck–Riemann–Roch theorem
  • Result in algebraic geometry

    analogues of the Grothendieck–Riemann–Roch theorem can be proved using the index theorem for families. Alexander Grothendieck gave a first proof in a 1957

    Grothendieck–Riemann–Roch theorem

    Grothendieck–Riemann–Roch theorem

    Grothendieck–Riemann–Roch_theorem

  • Figure-eight knot (mathematics)
  • Unique knot with a crossing number of four

    braid (namely, the closure of the 3-string braid σ1σ2−1σ1σ2−1), and a theorem of John Stallings shows that any closed homogeneous braid is fibered. (2)

    Figure-eight knot (mathematics)

    Figure-eight knot (mathematics)

    Figure-eight_knot_(mathematics)

  • Conway knot
  • Prime knot named for John Horton Conway

    Jones polynomial. Both knots also have the property of having the same Alexander polynomial and Conway polynomial as the unknot. The issue of the sliceness

    Conway knot

    Conway knot

    Conway_knot

  • Alexander horned sphere
  • Pathological embedding of the sphere in 3D space

    Schoenflies theorem did hold in 3D. Upon realizing his error, he constructed the horned sphere as a definitive counterexample. Alexander's genius was in

    Alexander horned sphere

    Alexander horned sphere

    Alexander_horned_sphere

  • Prime knot
  • Non-trivial knot which cannot be written as the knot sum of two non-trivial knots

    chart (i.e. a knot and its mirror image are considered equivalent). A theorem due to Horst Schubert (1919–2001) states that every knot can be uniquely

    Prime knot

    Prime knot

    Prime_knot

  • Seifert surface
  • Orientable surface whose boundary is a knot or link

    V={\begin{pmatrix}1&-1\\0&1\end{pmatrix}}.} It is a theorem that any link always has an associated Seifert surface. This theorem was first published by Frankl and Pontryagin

    Seifert surface

    Seifert surface

    Seifert_surface

  • Subbase
  • Collection of subsets that generate a topology

    Tychonoff's theorem, which states that the product of non-empty compact spaces is compact, has a short proof if the Alexander Subbase Theorem is used. Base

    Subbase

    Subbase

  • 7 2 knot
  • Mathematical knot with crossing number 7

    prime knots with crossing number seven. It is the fifth twist knot. Its Alexander polynomial is Δ ( t ) = 3 t − 5 + 3 t − 1 , {\displaystyle \Delta (t)=3t-5+3t^{-1}

    7 2 knot

    7 2 knot

    7_2_knot

  • Newton–Gauss line
  • Line joining midpoints of a complete quadrilateral's 3 diagonals

    are called diagonals of the complete quadrilateral. It is a well-known theorem that the three midpoints of the diagonals of a complete quadrilateral are

    Newton–Gauss line

    Newton–Gauss line

    Newton–Gauss_line

  • Alexander polynomial
  • Knot invariant

    can be found in Crowell & Fox (1963). Birman 1993. Alexander 1928. Fox 1961. Kawauchi 2012, Theorem 11.5.3, p. 150. Kawauchi credits this result to Kondo

    Alexander polynomial

    Alexander_polynomial

  • Wiener–Khinchin theorem
  • Theorem relating stationary processes' autocorrelations and power spectra

    Wiener–Khinchin theorem or Wiener–Khintchine theorem, also known as the Wiener–Khinchin–Einstein theorem or the Khinchin–Kolmogorov theorem, states that

    Wiener–Khinchin theorem

    Wiener–Khinchin_theorem

  • Pick's theorem
  • Formula for area of a grid polygon

    In geometry, Pick's theorem provides a formula for the area of a simple polygon with integer vertex coordinates, in terms of the number of integer points

    Pick's theorem

    Pick's theorem

    Pick's_theorem

  • Alexander–Hirschowitz theorem
  • The Alexander–Hirschowitz theorem shows that a specific collection of k double points in the projective space Pr will impose independent types of conditions

    Alexander–Hirschowitz theorem

    Alexander–Hirschowitz_theorem

  • Jones polynomial
  • Mathematical invariant of a knot or link

    Potts model, in statistical mechanics. Let a link L be given. A theorem of Alexander states that it is the trace closure of a braid, say with n strands

    Jones polynomial

    Jones_polynomial

  • Submanifold
  • Subset of a manifold that is a manifold itself; an injective immersion into a manifold

    differential structure on S {\displaystyle S} . Alexander's theorem and the Jordan–Schoenflies theorem are good examples of smooth embeddings. There are

    Submanifold

    Submanifold

    Submanifold

  • Four color theorem
  • Planar maps require at most four colors

    In mathematics, the four color theorem, or the four color map theorem, states that no more than four colors are required to color the regions of any map

    Four color theorem

    Four color theorem

    Four_color_theorem

  • Trefoil knot
  • Simplest non-trivial closed knot with three crossings

    crossing number three. It is a prime knot, and is listed as 31 in the Alexander-Briggs notation. The Dowker notation for the trefoil is 4 6 2, and the

    Trefoil knot

    Trefoil knot

    Trefoil_knot

  • Intercept theorem
  • Theorem concerning ratios of line segments

    The intercept theorem, also known as Thales's theorem, basic proportionality theorem or side splitter theorem, is an important theorem in elementary geometry

    Intercept theorem

    Intercept_theorem

  • Alexander's subbase lemma
  • Theorem in topology

    often called Alexander's subbase theorem, is due to James Waddell Alexander II. The lemma is typically used to prove Tychonoff's theorem. If K {\displaystyle

    Alexander's subbase lemma

    Alexander's_subbase_lemma

  • Knot theory
  • Study of mathematical knots

    introduced hyperbolic geometry into the study of knots with the hyperbolization theorem. Many knots were shown to be hyperbolic knots, enabling the use of geometry

    Knot theory

    Knot theory

    Knot_theory

  • Seifert–Van Kampen theorem
  • Describes the fundamental group in terms of a cover by two open path-connected subspaces

    Seifert–Van Kampen theorem of algebraic topology (named after Herbert Seifert and Egbert van Kampen), sometimes just called Van Kampen's theorem, expresses the

    Seifert–Van Kampen theorem

    Seifert–Van_Kampen_theorem

  • Hahn–Banach theorem
  • Theorem on extension of bounded linear functionals

    In functional analysis, the Hahn–Banach theorem is a central result that allows the extension of bounded linear functionals defined on a vector subspace

    Hahn–Banach theorem

    Hahn–Banach_theorem

  • Chinese remainder theorem
  • About simultaneous modular congruences

    In mathematics, the Chinese remainder theorem states that if one knows the remainders of the Euclidean division of an integer n by several integers, then

    Chinese remainder theorem

    Chinese remainder theorem

    Chinese_remainder_theorem

  • Ostrowski's theorem
  • On all absolute values of rational numbers

    In number theory, Ostrowski's theorem, due to Alexander Ostrowski (1916), states that every non-trivial absolute value on the rational numbers Q {\displaystyle

    Ostrowski's theorem

    Ostrowski's_theorem

  • Alexander Gelfond
  • Soviet mathematician

    Soviet mathematician. Gelfond's theorem, also known as the Gelfond–Schneider theorem, is named after him. Alexander Gelfond was born in Saint Petersburg

    Alexander Gelfond

    Alexander_Gelfond

  • Tychonoff's theorem
  • Product of any collection of compact topological spaces is compact

    Tychonoff's theorem states that the product of any collection of compact topological spaces is compact with respect to the product topology. The theorem is named

    Tychonoff's theorem

    Tychonoff's_theorem

  • Braids, Links, and Mapping Class Groups
  • Mathematical monograph on braid groups

    via Alexander's theorem that every knot or link can be formed by closing off a braid, and provides the first complete proof of the Markov theorem on equivalence

    Braids, Links, and Mapping Class Groups

    Braids,_Links,_and_Mapping_Class_Groups

  • Freidlin–Wentzell theorem
  • Theorem in the large deviations theory of stochastic processes

    In mathematics, the Freidlin–Wentzell theorem (due to Mark Freidlin and Alexander D. Wentzell) is a result in the large deviations theory of stochastic

    Freidlin–Wentzell theorem

    Freidlin–Wentzell_theorem

  • Turán's theorem
  • Extremal graph theory bound on clique-free graph edges

    In graph theory, Turán's theorem bounds the number of edges that can be included in an undirected graph that does not have a complete subgraph of a given

    Turán's theorem

    Turán's_theorem

  • Khovanov homology
  • Invariant of mathematical knots

    demonstrated using gauge theory and its cousins: Jacob Rasmussen's new proof of a theorem of Peter Kronheimer and Tomasz Mrowka, formerly known as the Milnor conjecture

    Khovanov homology

    Khovanov_homology

  • Borromean rings
  • Three linked but pairwise separated rings

    extending earlier listings in the 1920s by Alexander and Briggs, the Borromean rings were given the Alexander–Briggs notation "63 2", meaning that this

    Borromean rings

    Borromean rings

    Borromean_rings

  • Apollonius's theorem
  • Relates the length of a median of a triangle to the lengths of its sides

    In geometry, Apollonius's theorem is a theorem relating the length of a median of a triangle to the lengths of its sides. It states that the sum of the

    Apollonius's theorem

    Apollonius's theorem

    Apollonius's_theorem

  • Alexandrov's soap bubble theorem
  • soap bubble theorem is a mathematical theorem from geometric analysis that characterizes a sphere through the mean curvature. The theorem was proven in

    Alexandrov's soap bubble theorem

    Alexandrov's_soap_bubble_theorem

  • Künneth theorem
  • Relates the homology of two objects to the homology of their product

    mathematics, especially in homological algebra and algebraic topology, a Künneth theorem, also called a Künneth formula, is a statement relating the homology of

    Künneth theorem

    Künneth_theorem

  • Unknot
  • Loop seen as a trivial knot

    has trivial Alexander polynomial, but the Kinoshita–Terasaka knot and Conway knot (both of which have 11 crossings) have the same Alexander and Conway

    Unknot

    Unknot

    Unknot

  • Linking number
  • How many times curves wind around each other

    corresponding to linking number. This can be seen via the Seifert–Van Kampen theorem (either adding the point at infinity to get a solid torus, or adding the

    Linking number

    Linking number

    Linking_number

  • Coase theorem
  • Theorem in economics

    Coase theorem (/ˈkoʊs/) postulates the economic efficiency of an economic allocation or outcome in the presence of externalities. The theorem is significant

    Coase theorem

    Coase_theorem

  • Bracket polynomial
  • Polynomial invariant of framed links

    Flype Mutation Reidemeister move Skein relation Tabulation Other Alexander's theorem Berge Braid theory Conway sphere Complement Double torus Fibered

    Bracket polynomial

    Bracket_polynomial

  • Miquel's theorem
  • Concerns 3 circles through triples of points on the vertices and sides of a triangle

    Miquel's theorem is a result in geometry, named after Auguste Miquel, concerning the intersection of three circles, each drawn through one vertex of a

    Miquel's theorem

    Miquel's theorem

    Miquel's_theorem

  • Knot invariant
  • Function of a knot that takes the same value for equivalent knots

    is known to be a "complete invariant" of the knot by the Gordon–Luecke theorem in the sense that it distinguishes the given knot from all other knots

    Knot invariant

    Knot invariant

    Knot_invariant

  • Radon's theorem
  • Theorem in geometry about convex sets

    In geometry, Radon's theorem on convex sets, published by Johann Radon in 1921, states that: Any set of d + 2 points in Rd can be partitioned into two

    Radon's theorem

    Radon's theorem

    Radon's_theorem

  • List of prime knots
  • Flype Mutation Reidemeister move Skein relation Tabulation Other Alexander's theorem Berge Braid theory Conway sphere Complement Double torus Fibered

    List of prime knots

    List_of_prime_knots

  • Ax–Grothendieck theorem
  • Injective polynomial functions are bijective

    Ax–Grothendieck theorem is a result about injectivity and surjectivity of polynomials that was proved independently by James Ax and Alexander Grothendieck

    Ax–Grothendieck theorem

    Ax–Grothendieck_theorem

  • Pappus's centroid theorem
  • Results on the surface areas and volumes of surfaces and solids of revolution

    Pappus's centroid theorem (also known as the Guldinus theorem, Pappus–Guldinus theorem or Pappus's theorem) is either of two related theorems dealing with

    Pappus's centroid theorem

    Pappus's centroid theorem

    Pappus's_centroid_theorem

  • Torus knot
  • Knot which lies on the surface of a torus in 3-dimensional space

    ( p − 1 ) ( q − 1 ) . {\displaystyle g={\frac {1}{2}}(p-1)(q-1).} The Alexander polynomial of a torus knot is t k ( t p q − 1 ) ( t − 1 ) ( t p − 1 )

    Torus knot

    Torus knot

    Torus_knot

  • Birkhoff–Grothendieck theorem
  • Classifies holomorphic vector bundles over the complex projective line

    direct sum of holomorphic line bundles. The theorem was proved by Alexander Grothendieck (1957, Theorem 2.1), and is more or less equivalent to Birkhoff

    Birkhoff–Grothendieck theorem

    Birkhoff–Grothendieck_theorem

  • Kőnig's theorem (graph theory)
  • On bipartite matching and vertex cover

    In the mathematical area of graph theory, Kőnig's theorem, proved by Dénes Kőnig (1931), describes an equivalence between the maximum matching problem

    Kőnig's theorem (graph theory)

    Kőnig's theorem (graph theory)

    Kőnig's_theorem_(graph_theory)

  • HOMFLY polynomial
  • Polynomials arising in knot theory

    invariant and it generalizes two polynomials previously discovered, the Alexander polynomial and the Jones polynomial, both of which can be obtained by

    HOMFLY polynomial

    HOMFLY_polynomial

  • List of knot theory topics
  • number Unknotting problem Volume conjecture Schubert's theorem Conway's theorem Alexander's theorem List of mathematical knots and links List of prime knots

    List of knot theory topics

    List_of_knot_theory_topics

  • Yamada–Watanabe theorem
  • Theorem in probability theory

    The Yamada–Watanabe theorem is a result from probability theory saying that for a large class of stochastic differential equations a weak solution with

    Yamada–Watanabe theorem

    Yamada–Watanabe_theorem

  • The Knot Atlas
  • Encyclopedic website dedicated to knot theory

    Flype Mutation Reidemeister move Skein relation Tabulation Other Alexander's theorem Berge Braid theory Conway sphere Complement Double torus Fibered

    The Knot Atlas

    The_Knot_Atlas

  • Pitot theorem
  • In a quadrilateral with all sides tangent to a circle, sums of opposite sides are equal

    The Pitot theorem in geometry states that in a tangential quadrilateral the two pairs of opposite sides have the same total length. It is named after

    Pitot theorem

    Pitot theorem

    Pitot_theorem

  • Slice knot
  • Knot that bounds an embedded disk in 4-space

    properties are valid for topologically and smoothly slice knots: The Alexander polynomial of a slice knot can be written as Δ ( t ) = f ( t ) f ( t −

    Slice knot

    Slice knot

    Slice_knot

  • Baker's theorem
  • On algebraic independence of logarithms

    theorem gives a lower bound for the absolute value of linear combinations of logarithms of algebraic numbers. Nearly fifteen years earlier, Alexander

    Baker's theorem

    Baker's_theorem

  • Dvoretzky's theorem
  • theorem is an important structural theorem about normed vector spaces proved by Aryeh Dvoretzky in the early 1960s, answering a question of Alexander

    Dvoretzky's theorem

    Dvoretzky's_theorem

  • Grothendieck trace theorem
  • Extension of Lidskii's theorem

    operators. The theorem was proven in 1955 by Alexander Grothendieck. Lidskii's theorem does not hold in general for Banach spaces. The theorem should not

    Grothendieck trace theorem

    Grothendieck_trace_theorem

  • Hopf link
  • Simplest nontrivial knot link

    Flype Mutation Reidemeister move Skein relation Tabulation Other Alexander's theorem Berge Braid theory Conway sphere Complement Double torus Fibered

    Hopf link

    Hopf link

    Hopf_link

  • Kurosh subgroup theorem
  • Mathematical theorem for algebraic structure of subgroups of free products

    Kurosh subgroup theorem describes the algebraic structure of subgroups of free products of groups. The theorem was obtained by Alexander Kurosh, a Russian

    Kurosh subgroup theorem

    Kurosh_subgroup_theorem

  • 74 knot
  • Mathematical knot with crossing number 7

    Flype Mutation Reidemeister move Skein relation Tabulation Other Alexander's theorem Berge Braid theory Conway sphere Complement Double torus Fibered

    74 knot

    74 knot

    74_knot

  • Ostrowski–Hadamard gap theorem
  • In mathematics, the Ostrowski–Hadamard gap theorem is a result about the analytic continuation of complex power series whose non-zero terms are of orders

    Ostrowski–Hadamard gap theorem

    Ostrowski–Hadamard_gap_theorem

  • Twist knot
  • Family of mathematical knots

    twist knot depend on the number n {\displaystyle n} of half-twists. The Alexander polynomial of a twist knot is given by the formula Δ ( t ) = { n + 1 2

    Twist knot

    Twist knot

    Twist_knot

  • 63 knot
  • Mathematical knot with crossing number 6

    orienting the curve in either direction yields the same oriented knot. The Alexander polynomial of the 63 knot is Δ ( t ) = t 2 − 3 t + 5 − 3 t − 1 + t − 2

    63 knot

    63 knot

    63_knot

  • Gauss–Markov theorem
  • Theorem related to ordinary least squares

    In statistics, the Gauss–Markov theorem (or simply Gauss theorem for some authors) states that the ordinary least squares (OLS) estimator has the lowest

    Gauss–Markov theorem

    Gauss–Markov_theorem

  • Napoleon's theorem
  • Theorem in geometry

    In geometry, Napoleon's theorem states that if equilateral triangles are constructed on the sides of any triangle, either all outward or all inward, the

    Napoleon's theorem

    Napoleon's theorem

    Napoleon's_theorem

  • Thébault's theorem
  • One of three theorems in geometry proved by French mathematician Victor Thébault

    Thébault's theorem is the name given variously to one of the geometry problems proposed by the French mathematician Victor Thébault, individually known

    Thébault's theorem

    Thébault's theorem

    Thébault's_theorem

  • Penrose–Hawking singularity theorems
  • Key results in general relativity on gravitational singularities

    when gravitation produces singularities. The Penrose singularity theorem is a theorem in semi-Riemannian geometry and its general relativistic interpretation

    Penrose–Hawking singularity theorems

    Penrose–Hawking_singularity_theorems

  • Cramér–Wold theorem
  • Mathematical theorem in measure theory

    In mathematics, the Cramér–Wold theorem or the Cramér–Wold device is a theorem in measure theory and which states that a Borel probability measure on R

    Cramér–Wold theorem

    Cramér–Wold_theorem

  • Szemerédi's theorem
  • Long dense subsets of the integers contain arbitrarily large arithmetic progressions

    In arithmetic combinatorics, Szemerédi's theorem is a result concerning arithmetic progressions in subsets of the integers. In 1936, Erdős and Turán conjectured

    Szemerédi's theorem

    Szemerédi's_theorem

  • Square knot (mathematics)
  • Connected sum of two trefoil knots with opposite chirality

    which is the smallest possible crossing number for a composite knot. The Alexander polynomial of the square knot is Δ ( t ) = ( t − 1 + t − 1 ) 2 , {\displaystyle

    Square knot (mathematics)

    Square knot (mathematics)

    Square_knot_(mathematics)

  • C-theorem
  • Theorem in quantum field theory

    In quantum field theory, the C-theorem states that there exists a positive real function, C ( g i , μ ) {\displaystyle C(g_{i}^{},\mu )} , depending on

    C-theorem

    C-theorem

  • Riemann mapping theorem
  • Mathematical theorem

    In complex analysis, the Riemann mapping theorem states that if U {\displaystyle U} is a non-empty simply connected open subset of the complex number

    Riemann mapping theorem

    Riemann mapping theorem

    Riemann_mapping_theorem

  • De Gua's theorem
  • Three-dimensional analog of the Pythagorean theorem

    In mathematics, De Gua's theorem is a three-dimensional analog of the Pythagorean theorem named after Jean Paul de Gua de Malves. It states that if a tetrahedron

    De Gua's theorem

    De Gua's theorem

    De_Gua's_theorem

  • Conway notation (knot theory)
  • Notation used to describe knots based on operations on tangles

    multiple polyhedra of that number exist. Conway knot Dowker notation Alexander–Briggs notation Gauss notation "Conway notation", mi.sanu.ac.rs. "Conway

    Conway notation (knot theory)

    Conway notation (knot theory)

    Conway_notation_(knot_theory)

  • Knot complement
  • Complement of a knot in three-sphere

    ambient space is the three-sphere no information is lost: the Gordon–Luecke theorem states that a knot is determined by its complement. That is, if K and K′

    Knot complement

    Knot complement

    Knot_complement

  • Cartan–Hadamard theorem
  • On the structure of complete Riemannian manifolds of non-positive sectional curvature

    In mathematics, the Cartan–Hadamard theorem is a statement in Riemannian geometry concerning the structure of complete Riemannian manifolds of non-positive

    Cartan–Hadamard theorem

    Cartan–Hadamard_theorem

  • Dowker–Thistlethwaite notation
  • Mathematical notation for describing the structure of knots

    counting the number of different number sequences possible in this notation. Alexander–Briggs notation Conway notation Gauss notation Dowker, C. H.; Thistlethwaite

    Dowker–Thistlethwaite notation

    Dowker–Thistlethwaite notation

    Dowker–Thistlethwaite_notation

  • Steiner–Lehmus theorem
  • Every triangle with two angle bisectors of equal lengths is isosceles

    The Steiner–Lehmus theorem, a theorem in elementary geometry, was formulated by C. L. Lehmus and subsequently proved by Jakob Steiner. It states: Every

    Steiner–Lehmus theorem

    Steiner–Lehmus theorem

    Steiner–Lehmus_theorem

  • 71 knot
  • Mathematical knot with crossing number 7

    under connected sum. The 71 knot is invertible but not amphichiral. Its Alexander polynomial is Δ ( t ) = t 3 − t 2 + t − 1 + t − 1 − t − 2 + t − 3 , {\displaystyle

    71 knot

    71 knot

    71_knot

  • Unlink
  • Link that consists of finitely many unlinked unknots

    Flype Mutation Reidemeister move Skein relation Tabulation Other Alexander's theorem Berge Braid theory Conway sphere Complement Double torus Fibered

    Unlink

    Unlink

    Unlink

  • Pavel Alexandrov
  • Soviet mathematician (1896–1982)

    number of basic laws of topological duality. In 1927, he generalized Alexander's theorem to the case of an arbitrary closed set. Alexandrov and P. S. Urysohn

    Pavel Alexandrov

    Pavel Alexandrov

    Pavel_Alexandrov

  • Tricolorability
  • Property in knot theory

    Flype Mutation Reidemeister move Skein relation Tabulation Other Alexander's theorem Berge Braid theory Conway sphere Complement Double torus Fibered

    Tricolorability

    Tricolorability

    Tricolorability

  • Bridge number
  • Flype Mutation Reidemeister move Skein relation Tabulation Other Alexander's theorem Berge Braid theory Conway sphere Complement Double torus Fibered

    Bridge number

    Bridge number

    Bridge_number

  • 2-bridge knot
  • Flype Mutation Reidemeister move Skein relation Tabulation Other Alexander's theorem Berge Braid theory Conway sphere Complement Double torus Fibered

    2-bridge knot

    2-bridge_knot

  • Whitehead link
  • Two interlinked loops with five structural crossings

    \sigma _{1}^{2}\sigma _{2}^{2}\sigma _{1}^{-1}\sigma _{2}^{-2}.\,} Its Alexander polynomial is Δ ( t ) = t 3 / 2 − 3 t 1 / 2 + 3 t − 1 / 2 − t − 3 / 2

    Whitehead link

    Whitehead link

    Whitehead_link

  • List of things named after Alexander Grothendieck
  • The mathematician Alexander Grothendieck (1928–2014) is the eponym of many things. Ax–Grothendieck theorem Birkhoff–Grothendieck theorem Brieskorn–Grothendieck

    List of things named after Alexander Grothendieck

    List_of_things_named_after_Alexander_Grothendieck

  • Brunnian link
  • Interlinked multi-loop construction where cutting one loop frees all the others

    Brunnian links from almost every Brunnian link. A geometric classification theorem for Brunnian links was given. More interestingly, a canonical geometric

    Brunnian link

    Brunnian link

    Brunnian_link

  • Self-linking number
  • Invariant of framed knots

    Flype Mutation Reidemeister move Skein relation Tabulation Other Alexander's theorem Berge Braid theory Conway sphere Complement Double torus Fibered

    Self-linking number

    Self-linking_number

  • Reidemeister move
  • One of three types of isotopy-preserving local changes to a knot diagram

    link diagram. Kurt Reidemeister (1927) and, independently, James Waddell Alexander and Garland Baird Briggs (1926), demonstrated that two knot diagrams belonging

    Reidemeister move

    Reidemeister move

    Reidemeister_move

  • Granny knot (mathematics)
  • Connected sum of two trefoil knots with same chirality

    square knot, the granny knot is not a ribbon knot or a slice knot. The Alexander polynomial of the granny knot is Δ ( t ) = ( t − 1 + t − 1 ) 2 , {\displaystyle

    Granny knot (mathematics)

    Granny knot (mathematics)

    Granny_knot_(mathematics)

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  • Girl/Female

    Australian, French, Greek, Latin

    Alexandre

    Defender of Mankind; Feminine of Alexander

    Alexandre

  • Alexander
  • Boy/Male

    Swedish American Greek Biblical Shakespearean

    Alexander

    Defender of man.

    Alexander

  • ALEXANDRU
  • Male

    Romanian

    ALEXANDRU

    Romanian form of Greek Alexandros, ALEXANDRU means "defender of mankind."

    ALEXANDRU

  • ALEXANDREA
  • Female

    English

    ALEXANDREA

    Variant spelling of Latin Alexandria, ALEXANDREA means "defender of mankind."

    ALEXANDREA

  • ALEXANDER
  • Male

    Dutch

    ALEXANDER

    , defender of man.

    ALEXANDER

  • Alexander
  • Male

    English

    Alexander

    Great Protector

    Alexander

  • ALEXANDREUS
  • Male

    Greek

    ALEXANDREUS

    (Ἀλεξανδρεύς) Greek name ALEXANDREUS means "from Alexandria." In the bible, this is the name of a resident of Alexandria in Egypt.

    ALEXANDREUS

  • Alexander
  • Boy/Male

    American, Basque, British, Christian, Danish, Dutch, English, Finnish, French, German, Greek, Hindu, Indian, Irish, Jamaican, Latin, Netherlands, Polish, Portuguese, Shakespearean, Swedish, Swiss, Tamil, Ukrainian

    Alexander

    Helper and Defender of Mankind; Protector of Mankind; Warrior; Defender of Men

    Alexander

  • Alexandra
  • Girl/Female

    American, Australian, British, Christian, Czechoslovakian, Danish, Dutch, English, Finnish, French, German, Greek, Indian, Jamaican, Portuguese, Swedish

    Alexandra

    Protector of Man; Man's Defender; Feminine of Alexander; Helper and Defender of Mankind; To Defend; To Help

    Alexandra

  • ALEXANDRA
  • Female

    Greek

    ALEXANDRA

     Feminine form of Greek Alexandros, ALEXANDRA means "defender of mankind."

    ALEXANDRA

  • Alexandre
  • Boy/Male

    American, Australian, Chinese, French, German, Greek, Latin, Swiss

    Alexandre

    French Form of Alexander

    Alexandre

  • ALEXANDRO
  • Male

    Esperanto

    ALEXANDRO

    Esperanto form of Latin Alexandrus, ALEXANDRO means "defender of mankind."

    ALEXANDRO

  • Sanda
  • Girl/Female

    Australian, Greek, Romanian

    Sanda

    Defender of Mankind; Similar to Alexandra and Alexander

    Sanda

  • ALEXANDRA
  • Female

    English

    ALEXANDRA

     Feminine form of English Alexander, ALEXANDRA means "defender of mankind." Compare with other forms of Alexandra.

    ALEXANDRA

  • Alexandrea
  • Girl/Female

    American, Australian, British, Chinese, Christian, Egyptian, English, Greek, Latin

    Alexandrea

    Defender of Mankind; Female Version of Alexander

    Alexandrea

  • ALEXANDER
  • Male

    English

    ALEXANDER

    (Hebrew אֲלֶכְּסַנְדֶר): Anglicized form of Latin Alexandrus (Greek Alexandros), ALEXANDER means "defender of mankind." In the New Testament bible, this is the name of a son of Simon, a relative of the high priest, a Jew in Acts 19:33, and a coppersmith who opposed Paul.

    ALEXANDER

  • Alexandrea
  • Girl/Female

    English Greek American

    Alexandrea

    Feminine of Alexander. Defender of mankind.

    Alexandrea

  • Alexandro
  • Boy/Male

    Greek American

    Alexandro

    Defender; protector of mankind. Famous Bearer: Alexander the Great.

    Alexandro

  • ALEXANDRE
  • Male

    French

    ALEXANDRE

    French and Galician-Portuguese form of Latin Alexandrus, ALEXANDRE means "defender of mankind."

    ALEXANDRE

  • Alexandras
  • Boy/Male

    Greek

    Alexandras

    Defender of man.

    Alexandras

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Online names & meanings

  • Narinderjit
  • Boy/Male

    Hindu, Indian, Traditional

    Narinderjit

    Man-lion

  • Lunn
  • Surname or Lastname

    English, Norwegian, and Danish

    Lunn

    English, Norwegian, and Danish : variant of Lund.

  • Uddinam
  • Boy/Male

    Hindu, Indian

    Uddinam

    Flying Up

  • Variam
  • Boy/Male

    Hindu, Indian, Punjabi, Sikh

    Variam

    The Brave One

  • Itxaro
  • Girl/Female

    Spanish

    Itxaro

    Hope.

  • LILY
  • Female

    English

    LILY

    English name derived from the vocabulary word, lily, LILY means simply "lily flower." 

  • Samaksh
  • Boy/Male

    Hindu, Indian

    Samaksh

    One who is Near; Faith; Dignity

  • Cus
  • Boy/Male

    Arthurian Legend

    Cus

    Name of a king.

  • Revaan
  • Boy/Male

    Hindu

    Revaan

    Horse rider, A star

  • Qahir
  • Boy/Male

    Muslim

    Qahir

    Conqueror. Victorious.

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AI searchs for Acronyms & meanings containing ALEXANDERS THEOREM

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Other words and meanings similar to

ALEXANDERS THEOREM

AI search in online dictionary sources & meanings containing ALEXANDERS THEOREM

ALEXANDERS THEOREM

  • Theorem
  • n.

    That which is considered and established as a principle; hence, sometimes, a rule.

  • Gymnosophist
  • n.

    One of a sect of philosophers, said to have been found in India by Alexander the Great, who went almost naked, denied themselves the use of flesh, renounced bodily pleasures, and employed themselves in the contemplation of nature.

  • Epitaph
  • n.

    A brief writing formed as if to be inscribed on a monument, as that concerning Alexander: "Sufficit huic tumulus, cui non sufficeret orbis."

  • Theorem
  • v. t.

    To formulate into a theorem.

  • Olusatrum
  • n.

    An umbelliferous plant, the common Alexanders of Western Europe (Smyrnium Olusatrum).

  • Gardenia
  • n.

    A genus of plants, some species of which produce beautiful and fragrant flowers; Cape jasmine; -- so called in honor of Dr. Alexander Garden.

  • Hellenic
  • n.

    The dialect, formed with slight variations from the Attic, which prevailed among Greek writers after the time of Alexander.

  • Alexanders
  • n.

    Alt. of Alisanders

  • Alisanders
  • n.

    A name given to two species of the genus Smyrnium, formerly cultivated and used as celery now is; -- called also horse parsely.

  • Theorematist
  • n.

    One who constructs theorems.

  • Era
  • n.

    A period of time reckoned from some particular date or epoch; a succession of years dating from some important event; as, the era of Alexander; the era of Christ, or the Christian era (see under Christian).

  • Uncia
  • n.

    A numerical coefficient in any particular case of the binomial theorem.

  • Transpass
  • v. t.

    To pass over; as, Alexander transpassed the river.

  • Theorem
  • n.

    A statement of a principle to be demonstrated.

  • Theorematical
  • a.

    Of or pertaining to a theorem or theorems; comprised in a theorem; consisting of theorems.

  • Postulate
  • n.

    The enunciation of a self-evident problem, in distinction from an axiom, which is the enunciation of a self-evident theorem.

  • Exploit
  • n.

    A deed or act; especially, a heroic act; a deed of renown; an adventurous or noble achievement; as, the exploits of Alexander the Great.

  • Theorematic
  • a.

    Alt. of Theorematical

  • Theoremic
  • a.

    Theorematic.