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Dimensionless number that quantifies the strength of the electromagnetic interaction
fine-structure constant, also known as the Sommerfeld constant, commonly denoted by α (the Greek letter alpha), is a fundamental physical constant that
Fine-structure_constant
Music composition and performance technique
In jazz, a constant structure is a chord progression consisting of three or more chords of the same type or quality. Popularized by pianists Bill Evans
Constant_structure
Coefficients of an algebra over a field
In mathematics, the structure constants or structure coefficients of an algebra over a field are the coefficients of the basis expansion (into linear combination
Structure_constants
Universal and unchanging physical quantity
physical constants, such as the fine-structure constant α, which characterizes the strength of the electromagnetic interaction. Physical constants, as discussed
Physical_constant
Relationships among bond yields of different maturities
recession-probability models. The yield curve is closely related to the term structure of interest rates. Official sources distinguish several ways to summarize
Yield_curve
Physical constant in quantum mechanics
The Planck constant, or Planck's constant, denoted by h {\displaystyle h} , is a fundamental physical constant of foundational importance in quantum mechanics:
Planck_constant
Physical constant with no units
physical constant is sometimes used to refer to some universal dimensionless constants. Perhaps the best-known example is the fine-structure constant, α, which
Dimensionless physical constant
Dimensionless_physical_constant
Physical constants of energy and wavenumber
In spectroscopy, the Rydberg constant, symbol R ∞ {\displaystyle R_{\infty }} for heavy atoms or R H {\displaystyle R_{\text{H}}} for hydrogen, named after
Rydberg_constant
NIST Reference on Constants, Units, and Uncertainty. NIST. May 2024. Retrieved 2024-05-18. "2022 CODATA Value: fine-structure constant". The NIST Reference
List_of_physical_constants
5th episode of the 4th season of Lost
"The Constant" is the fifth episode of the fourth season of the American Broadcasting Company's (ABC) serial drama television series Lost, and the 77th
The_Constant
Observation in physical cosmology
coordinate. Though the Hubble constant H0 is constant at any given moment in time, the Hubble parameter H, of which the Hubble constant is the current value,
Hubble's_law
Hypothetical conflict with the laws of physics as currently known
bounds on their time-dependence. This concerns the fine-structure constant, the gravitational constant and the proton-to-electron mass ratio specifically,
Time-variation of fundamental constants
Time-variation_of_fundamental_constants
Value representing energy density of space
the cosmological constant (usually denoted by the Greek capital letter lambda: Λ), alternatively called Einstein's cosmological constant, is a coefficient
Cosmological_constant
Physical constant
μ0 is an experimentally determined constant with its value proportional to the dimensionless fine-structure constant, which is known to a relative uncertainty
Vacuum_permeability
Constant in crystallography
chloride and sphalerite structures is reflected in the Madelung constants. It is assumed for the calculation of Madelung constants that an ion's charge density
Madelung_constant
Ordered arrangement of atoms, ions, or molecules in a crystalline material
crystallography, crystal structure is a description of the ordered arrangement of atoms, ions, or molecules in a crystalline material. Ordered structures occur from
Crystal_structure
Absolute dielectric permittivity of free space
These values are determined by the experimentally determined fine-structure constant α: ε 0 = 1 μ 0 c 2 = e 2 2 α h c , {\displaystyle \varepsilon _{0}={\frac
Vacuum_permittivity
Executable Java file format
file structure: Magic Number: 0xCAFEBABE Version of Class File Format: the minor and major versions of the class file Constant Pool: Pool of constants for
Java_class_file
Categorization among data structures
a data structure with constant overhead (O(1)). This latter definition is today more standard, and the still-looser notion of a data structure with non-constant
Implicit_data_structure
Physical dimensions of unit cells in a crystal
A lattice constant or lattice parameter is one of the physical dimensions and angles that determine the geometry of the unit cells in a crystal lattice
Lattice_constant
Structure over a vocabulary defined solely by syntactical properties
of a constant symbol c {\displaystyle c} is just " c {\displaystyle c} " (the symbol). It is named after Jacques Herbrand. Herbrand structures play an
Herbrand_structure
Measure of an acid's strength in solution
In chemistry, an acid dissociation constant (also known as acidity constant, or acid-ionization constant; denoted K a {\displaystyle K_{a}} ) is a
Acid_dissociation_constant
Details in the emission spectrum of an atom
work, Sommerfeld also introduced the fine-structure constant. The gross structure of line spectra is the structure predicted by the quantum mechanics of non-relativistic
Fine_structure
Strong form of uniform continuity
_{u\in U}\{f(u)+k\,d(x,u)\},} where k is a Lipschitz constant for f on U. A Lipschitz structure on a topological manifold is defined using an atlas of
Lipschitz_continuity
Verifying quantum electrodynamics by measuring the fine-structure constant
tests of QED consist of measurements of the electromagnetic fine-structure constant, α, in various physical systems. Checking the consistency of such
Precision_tests_of_QED
Swiss luxury watch manufacturer
Frédérique Constant SA is a Swiss manufacture of luxury wristwatches based in Plan-les-Ouates, Geneva. Originally established in 1988 by Dutch married
Frédérique_Constant
Data structure for storing non-overlapping sets
science, a disjoint-set data structure, also called a union–find data structure or merge–find set, is a data structure that stores a collection of disjoint
Disjoint-set_data_structure
Energy driving the accelerated expansion of the universe
differs from the cosmological constant in that it can vary in space and time. In order for it not to clump and form structure like matter, the field must
Dark_energy
Structure in Manaus, Amazonas, Brazil
The Benjamin Constant Bridge (Portuguese: Ponte Benjamin Constant), also known as Metallic Bridge (Ponte Metálica), is a suspension structure located on
Benjamin_Constant_Bridge
Type of computer science algorithm
considered a constant in most sorting applications. Maciej Liśkiewicz and Rüdiger Reischuk. The Complexity World below Logarithmic Space. Structure in Complexity
In-place_algorithm
Particular way of storing and organizing data in a computer
a data structure is a way to organize and store data that is usually chosen for efficient access to data. More precisely, a data structure is the physical
Data_structure
Data structure which is efficient to both store in memory and query
auxiliary structure) and supports rank and select in constant time. It uses an idea similar to that for range-minimum queries; there are a constant number
Succinct_data_structure
2012 single by Passion Pit
Juicy J officially remixed Constant Conversations. The remix still features the vocals of Angelakos, however the song structure was rearranged. Frontman
Constant_Conversations
Method for algorithm analysis in computer science
constant time. However the dequeue operation is more complicated. If the output array already has some elements in it, then dequeue runs in constant time;
Amortized_analysis
Musical scale created by Harry Partch
pointed out that these added tones form a constant structure of 41 tones with two variables. A constant structure giving one the property of anytime a ratio
Harry_Partch's_43-tone_scale
Magnitude of the shear stress that a soil can sustain
above the critical state viz. a constant deformation velocity and statistically constant structure (the steady state structure), places the steady state condition
Shear_strength_(soil)
Musical voice leading practice
tools for achieving parallel harmony. Block chord Consecutive fifths Constant structure Parallel key Parallel chord Side-slipping Traditional sub-Saharan
Parallel_harmony
Building or transport method that can change its shape at operator's will
term active structure also refers to structures that, unlike traditional engineering structures (e.g., bridges, buildings), require constant motion and
Active_structure
Parameter describing the strength of a force
are pure numbers. An example of such a dimensionless constant is the fine-structure constant, α = e 2 4 π ε 0 ℏ c , {\displaystyle \alpha ={\frac {e^{2}}{4\pi
Coupling_constant
Circuit component which represents double-layer capacitance
frequency behaviour of metal-SiO2-GaAs structure characteristics by electrical equivalent circuit with constant phase element". Thin Solid Films. 415 (1–2):
Constant_phase_element
Constant used in a magic square
The magic constant or magic sum of a magic square is the sum of numbers in any row, column, or diagonal of the magic square. For example, the magic square
Magic_constant
Type of data structure
insertions at the end of the array require only amortized constant time. Some array data structures do not reallocate storage, but do store a count of the
Array_(data_structure)
Astrophysical models for the formation of galaxies and clusters of galaxies
scale factor, as the gravitational potential fluctuations remain constant. Structures smaller than the horizon remained essentially frozen due to radiation
Structure_formation
Dutch painter
Constant Anton Nieuwenhuys (21 July 1920 – 1 August 2005), better known as Constant, was a Dutch painter, sculptor, graphic artist, author and musician
Constant_Nieuwenhuys
Value that is not changed during execution
programming, a constant is a value that is not altered by the program during normal execution. When associated with an identifier, a constant is said to be
Constant (computer programming)
Constant_(computer_programming)
German-Canadian physicist and physical chemist (1904–1999)
Molecular Structure were re-issued by Krieger in 1989, including extensive new footnotes by Herzberg. Volume IV of the series, "Constants of diatomic
Gerhard_Herzberg
Adaptive optics optimization freuqency
{\displaystyle C_{n}^{2}(z)} the so-called atmospheric turbulence constant structure function, a measure of the turbulence strength as function of height
Greenwood_frequency
Non-mainstream theory in physics
nature of physics. A physical theory that postulates a varying fine-structure constant can be expressed as either a variable speed of light or a variable
Variable_speed_of_light
Number and arrangement of multiple folded protein subunits in a multi-subunit complex
quaternary structure is the fourth (and highest) classification level of protein structure. Protein quaternary structure refers to the structure of proteins
Protein_quaternary_structure
Data structure that always preserves the previous version of itself when it is modified
Their method assumes a linked data structure with at most d incoming pointers to each node, where d is a known constant. In each node, one modification box
Persistent_data_structure
Chemical property
biochemistry, and pharmacology, a dissociation constant (KD) is a specific type of equilibrium constant that measures the propensity of a larger object
Dissociation_constant
Concept in celestial mechanics
gravitational parameter μ of a celestial body is the product of the gravitational constant G and the mass M of that body. For two bodies, the parameter may be expressed
Standard gravitational parameter
Standard_gravitational_parameter
Mass of a stationary electron
Rydberg constant R∞ and the fine-structure constant α obtained through spectroscopic measurements. Using the definition of the Rydberg constant: R ∞ =
Electron_mass
Capitalization rate for debt; ratio of annual debt service to mortgage principal
The mortgage constant, also called the mortgage capitalization rate or loan constant, is the ratio of the annual debt service on a mortgage loan to the
Mortgage_constant
Motif in solid state chemistry
The fluorite structure refers to a common motif for compounds with the formula MX2. The X ions occupy the eight tetrahedral interstitial sites whereas
Fluorite_structure
Data structure implementable in purely functional languages
implementation. But the access cost may increase from constant time to logarithmic time.[citation needed] A data structure is never inherently functional. For example
Purely functional data structure
Purely_functional_data_structure
Measure of change in amplitude and phase of a wave
The propagation constant of a sinusoidal electromagnetic wave is a measure of the change undergone by the amplitude and phase of the wave as it propagates
Propagation_constant
Hollerith constants, named in honor of Herman Hollerith, were used in early FORTRAN programs to allow manipulation of character data. Early FORTRAN had
Hollerith_constant
French nobleman
propagandist and chronicler. Born into a Huguenot family, Constant led a less structured life, first embracing Protestantism and then the Catholic causes
Constant_d'Aubigné
Parameters characterizing properties of our galaxy
The Oort constants (discovered by Jan Oort) A {\displaystyle A} and B {\displaystyle B} are empirically derived parameters that characterize the local
Oort_constants
Biopolymer in pollen grain walls
than having one constant structure. In 2019, thioacidolysis degradation and solid-state NMR was used to determine the molecular structure of pitch pine
Sporopollenin
Phrase used in philosophy as a variant or near synonym for causality and induction
In philosophy, constant conjunction is a relationship between two events, where one event is invariably followed by the other: if the occurrence of A is
Constant_conjunction
Chemical compound involving ionic bonding
reaction This structure type has a variable lattice parameter c/a ratio, and the exact Madelung constant depends on this. This structure has been referred
Salt_(chemistry)
Fundamental physical law of electromagnetism
.} Its value is determined by the experimentally determined fine-structure constant α: k e = α h c 2 π e 2 , {\displaystyle k_{\text{e}}={\frac {\alpha
Coulomb's_law
Elements of an inverted Hessian matrix
Compliance constants are the elements of an inverted Hessian matrix. The calculation of compliance constants provides an alternative description of chemical
Compliance_constants
Harmonic music theory as it applies to Jazz
construction, other characteristics such as modality, syntax and phrase structure separate it from Western tradition. In jazz, chords are often arranged
Jazz_harmony
Tree node with two other nodes as descendants
lowest common ancestor queries may be answered in constant time per query. However, their data structure is complex and difficult to implement. Tarjan also
Lowest_common_ancestor
Computer science data structure
In computer science, a heap is a tree-based data structure that satisfies the heap property: In a max heap, for any given node C, if P is the parent node
Heap_(data_structure)
Intellectual current and methodological approach in the social science
relations constitute a structure, and behind local variations in the surface phenomena there are constant laws of abstract structure." The term structuralism
Structuralism
Cosmological time duration
universe. These two methods give slightly different values for the Hubble constant, which is then used in a formula to calculate the age. The range of the
Age_of_the_universe
Unit of length about the size of a hydrogen atom
speed of light in vacuum, and α {\displaystyle \alpha } is the fine-structure constant. The CODATA value of the Bohr radius is 5.29177210544(82)×10−11 m
Bohr_radius
Computer data structure
complete binary tree data structure which combines the usefulness of both a min-heap and a max-heap, that is, it provides constant time retrieval and logarithmic
Min-max_heap
Symbols requiring interpretation
could consist of a binary function symbol +, a constant symbol 0, and a binary relation symbol <. Structures over a signature, also known as models, provide
Non-logical_symbol
Type of structure in atomic physics
{\textstyle \left\langle {\hat {A}}\right\rangle } being the hyperfine-structure constant which is determined by experiment. Since I⋅J = 1⁄2{F⋅F − I⋅I − J⋅J}
Hyperfine_structure
Set with operations obeying given axioms
In mathematics, an algebraic structure or algebraic system consists of a nonempty set A (called the underlying set, carrier set or domain), a collection
Algebraic_structure
Data structure for storing strings
In computer programming, a rope, or cord, is a data structure composed of smaller strings that is used to efficiently store and manipulate longer strings
Rope_(data_structure)
Chemical compound
formula CaCu3Ti4O12. It is noteworthy for its extremely large dielectric constant (effective relative permittivity) of over 10,000 at room temperature. CCTO
Calcium_copper_titanate
Mix of funds used to start and sustain a business
In corporate finance, capital structure refers to the mix of various forms of external funds, known as capital, used to finance a business. It consists
Capital_structure
Antenna using a traveling wave
the type of guiding structure. A uniform structure has a cross section that is uniform (constant) along the length of the structure, usually in the form
Leaky_wave_antenna
Standard unit of mass for atomic-scale entities
is the speed of light, h is the Planck constant, α is the fine-structure constant, and R∞ is the Rydberg constant. As may be observed from the old values
Dalton_(unit)
Mathematical constants
The Beraha constants are a series of mathematical constants by which the n th {\displaystyle n{\text{th}}} Beraha constant is given by B ( n ) = 2 + 2
Beraha_constants
This is a list of common physical constants and variables, and their notations. Note that bold text indicates that the quantity is a vector. List of letters
List of common physics notations
List_of_common_physics_notations
Topics referred to by the same term
(mathematical logic), the mathematical structures studied in model theory Structure constants, defining a Lie algebra or an algebra over a field Structuralism
Structure_(disambiguation)
Concrete traffic barrier
A constant-slope barrier is a traffic barrier made of reinforced concrete and designed with a single slope, used to separate lanes of vehicular traffic
Constant-slope_barrier
generally available at the steel surface, except for submerged structures. If pores are constantly fully saturated, a very low amount of oxygen reaches the
Durability of reinforced concrete structures
Durability_of_reinforced_concrete_structures
Local Perspective on the Hubble Tension: Local Structure Does Not Impact Measurement of the Hubble Constant". The Astrophysical Journal. 875 (2): 145. arXiv:1901
List of largest cosmic structures
List_of_largest_cosmic_structures
Free-energy relationship in organic chemistry
Reference constant σ {\displaystyle \sigma } = Substituent constant ρ {\displaystyle \rho } = Reaction constant relating the equilibrium constant, K {\displaystyle
Hammett_equation
Equation in optical analysis of liquids
Gladstone–Dale constants for the refractivity of ions were related to the inter-ionic distances and angles of the crystal structure. The ionic refractivity
Gladstone–Dale_relation
City in Quebec, Canada
Lower Canada Rebellion of 1837–1838. Local administrative structures emerged in Saint-Constant in 1845 with the introduction of the parish municipality
Saint-Constant,_Quebec
Mathematical constant used in combinatorics
called the square ice constant because the orientations that it counts arise in statistical mechanics of crystalline structures as the states of an ice-type
Lieb's_square_ice_constant
Tabular arrangement of the chemical elements
rise in nuclear charge, and therefore the ionisation energies stay mostly constant, though there is a small increase especially at the end of each transition
Periodic_table
Chemical compound
anions Br− and rubidium cations Rb+. It has a NaCl crystal structure, with a lattice constant of 685 picometres. There are several methods for synthesising
Rubidium_bromide
Cosmological model
small Hubble constant, effectively ignored by any bound material structures. By contrast, in the Big Rip scenario the Hubble constant increases to infinity
Big_Rip
Concept in economics
Constant elasticity of substitution (CES) is a common specification of many production functions and utility functions in neoclassical economics. CES holds
Constant elasticity of substitution
Constant_elasticity_of_substitution
One-dimensional complex manifold
two-dimensional real manifold, but it contains more structure (specifically a complex structure). Conversely, a two-dimensional real manifold can be
Riemann_surface
Charge carried by one proton or electron
where α is the fine-structure constant, c is the speed of light, ε0 is the electric constant, and ħ is the reduced Planck constant. Charge quantization
Elementary_charge
Randomized mathematical sequence based upon the Fibonacci sequence
. (sequence A078416 in the OEIS), a mathematical constant that was later named Viswanath's constant. A random Fibonacci sequence is an integer random
Random_Fibonacci_sequence
Small marsupial from southwestern Australia
size of one and successfully rear one young each year. Although they are constantly mating, usually one day after the young are born, the small litter size
Quokka
Branch of soil physics and applied mechanics that describes the behavior of soils
constant can lead to overestimation of peak strengths. In addition to the friction and interlocking (dilatancy) components of strength, the structure
Soil_mechanics
Medical research simulation software
provides a GUI, which allows for visualising time series, modifying constant structure parameters of the feedback loop (e.g. for simulation of certain diseases)
SimThyr
CONSTANT STRUCTURE
CONSTANT STRUCTURE
Girl/Female
Australian, German, Latin, Spanish, Swedish
Constancy; Steadfastness
Male
Polish
Polish form of Latin Constans, KONSTANTY means "steadfast."
Boy/Male
Latin
Constant.
Surname or Lastname
French and English
French and English : from a medieval personal name (Latin Constans, genitive Constantis, meaning ‘steadfast’, ‘faithful’, present participle of the verb constare ‘stand fast’, ‘be consistent’). This was borne by an 8th-century Irish martyr. This surname has also absorbed some cases of surnames based on Constantius, a derivative of Constans, borne by a 2nd-century martyr, bishop of Perugia. Compare Constantine.English : perhaps also a nickname from Old French constant ‘steadfast’, ‘faithful’.
Surname or Lastname
English and French
English and French : from the medieval female personal name Constance, Latin Constantia, originally a feminine form of Constantius (see Constant), but later taken as the abstract noun constantia ‘steadfastness’.English and French : habitational name from Coutances in La Manche, France, which was named Constantia in Latin (see above) in honor of the Roman emperor Constantius Chlorus, who was responsible for fortifying the settlement in ad 305.
Female
Romanian
Romanian form of Latin Constantia, CONSTANTA means "steadfast."
Girl/Female
British, English
Similar to Constance; Used by 16th and 17th Century Puritans
Female
English
English form of Latin Constantia, CONSTANCE means "steadfast."Â
Girl/Female
Spanish Italian
Constant.
Girl/Female
Latin English
Firm of purpose. Constancy, from the Latin Constantia.
Boy/Male
Tamil
Nityagopal | நிதà¯à®¯à®•ோபாலÂ
Constant
Nityagopal | நிதà¯à®¯à®•ோபாலÂ
Boy/Male
Tamil
Constant
Female
Spanish
Spanish form of Latin Constantia, CONSTANZA means "steadfast."
Boy/Male
Australian, British, Danish, English, French, German, Italian, Latin, Swedish, Swiss
Steadfast; Constant
Girl/Female
Latin American English French Shakespearean
Firm of purpose. Constancy, from the Latin Constantia.
Girl/Female
Australian, French, German, Latin, Spanish
Constancy; Steadfastness
Boy/Male
English Latin
Steady; stable.
Male
French
French and Romanian form of Latin Constantinus, CONSTANTIN means "steadfast."Â
Boy/Male
Latin English
Constant.
Girl/Female
American, Australian, British, Christian, Dutch, English, French, German, Latin, Portuguese, Shakespearean, Swedish
Constancy; Steadfastness
CONSTANT STRUCTURE
CONSTANT STRUCTURE
Boy/Male
American, Australian, Chinese, Dutch
Becoming Rich; Surname Form of Richard
Girl/Female
Hindu, Indian, Kannada, Marathi
Gift
Boy/Male
Gujarati, Hindu, Indian, Modern, Traditional
Lord Krishna
Female
English
English variant spelling of French Jeanette, GENETTE means "God is gracious."
Boy/Male
German, Spanish
Bold; Valorous; Noteworthy
Surname or Lastname
English (Leicestershire)
English (Leicestershire) : habitational name from a lost or unidentified place.
Girl/Female
Hindu, Indian, Modern
Lovable
Boy/Male
Tamil
Hari Kant | ஹரிகாஂத
Dear to Indra
Boy/Male
Hindu, Indian
Awaiting
Boy/Male
African, American, Australian, British, English, French, German, Teutonic
Archer's Bow; Young Archer; Yew Wood
CONSTANT STRUCTURE
CONSTANT STRUCTURE
CONSTANT STRUCTURE
CONSTANT STRUCTURE
CONSTANT STRUCTURE
n.
An expression of assent to a bill or motion; an affirmative vote; also, a member who votes "Content.".
n.
A constant irritating desire.
adv.
Constant; continual.
n.
An invariable quantity; a constant.
a.
Not constant; inconstant; fickle; changeable.
a.
A day of the present or current month; as, the sixth instant; -- an elliptical expression equivalent to the sixth of the month instant, i. e., the current month. See Instant, a., 3.
a.
Continued without intermission; perpetual; ceaseless; constant.
v. t.
Remaining unchanged or invariable, as a quantity, force, law, etc.
adv.
With constancy; steadily; continually; perseveringly; without cessation; uniformly.
v. t.
Consistent; logical.
n.
A quantity that does not change its value; -- used in countradistinction to variable.
n.
The quality or state of being inconstant; want of constancy; mutability; fickleness; variableness.
a.
Not constant; not stable or uniform; subject to change of character, appearance, opinion, inclination, or purpose, etc.; not firm; unsteady; fickle; changeable; variable; -- said of persons or things; as, inconstant in love or friendship.
a.
harmonizing together; accordant; as, consonant tones, consonant chords.
n.
The state or quality of being constant or steadfast; freedom from change; stability; fixedness; immutability; as, the constancy of God in his nature and attributes.
v. t.
Not liable, or given, to change; permanent; regular; continuous; continually recurring; steadfast; faithful; not fickle.
n.
That which is not subject to change; that which is invariable.
n.
A superior wine, white and red, from Constantia, in Cape Colony.
a.
Resolute; persevering; constant; steady.
v. t.
Firm; solid; fixed; immovable; -- opposed to fluid.