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American honor and professional society for educators
Pi Lambda Theta (ΠΛΘ) is an American education honor society and professional association. It was established in 1917 in Columbia, Missouri. It is a affiliated
Pi_Lambda_Theta
American Latina collegiate sorority
Lambda Pi Chi Sorority, Incorporated (ΛΠΧ) (also known as Latinas Promoviendo Comunidad/Lambda Pi Chi Sorority, Inc.) is a Latina-based, but not Latina-exclusive
Lambda_Pi_Chi
Defunct American Catholic collegiate sorority
Pi Lambda Sigma (ΠΛΣ) was an American collegiate sorority for Catholic women. It merged with Theta Phi Alpha in 1952. Pi Lambda Sigma was founded on June
Pi_Lambda_Sigma
Lambda Chi Alpha is an international men's collegiate fraternity. In 1939, Lambda Chi Alpha merged with Theta Kappa Nu and absorbed 28 active chapters
List of Lambda Chi Alpha chapters
List_of_Lambda_Chi_Alpha_chapters
2023. "Lambda Eta Chapter of Delta Sigma Theta Sorority, Inc". Archived from the original on March 21, 2012. Retrieved March 28, 2023. "Home". Lambda Zeta
List of Delta Sigma Theta collegiate chapters
List_of_Delta_Sigma_Theta_collegiate_chapters
institutions are in italics. Pi Kappa Alpha calls its colonies provisional chapters. Re-established in 1895 by absorbing Psi Theta Psi, established in 1894
List of Pi Kappa Alpha chapters
List_of_Pi_Kappa_Alpha_chapters
absorbing Pi Omega Pi (local), established in 1905. Chapter formed by absorbing Delta Xi (local), established in 1903. Chapter formed by absorbing Theta Phi
List_of_Theta_Chi_chapters
formed from Theta Chi Omega, established in 1964. Chapter formed from Phi Lambda Sigma, established in 1959. Chapter formed from Alpha Pi, established
List of Alpha Omicron Pi chapters
List_of_Alpha_Omicron_Pi_chapters
American gender-neutral collegiate fraternity
Theta Pi Sigma (ΘΠΣ) is an American queer-focused, gender-neutral fraternal organization. It was established in 2005 at the University of California, Santa
Theta_Pi_Sigma
International professional education organization
Pi Lambda Theta and the career and technical student organization Educators Rising. Phi Delta Kappa formed from the merger of three organizations—Pi Kappa
PDK_International
Beta Theta Pi is a collegiate social fraternity established at Miami University in 1839. In the following list, active chapters are indicated in bold and
List of Beta Theta Pi chapters
List_of_Beta_Theta_Pi_chapters
Chapter formed from Alpha Theta Pi, established in 1966. Chapter formed from Kappa Chi Delta. Chapter formed from Alpha Lambda Kappa. Chapter formed from
List of Alpha Delta Pi chapters
List_of_Alpha_Delta_Pi_chapters
Special functions of several complex variables
{\begin{aligned}\theta _{1}(z;q)&=\theta _{1}(\pi z,q)=-\vartheta _{11}(z;\tau )\\\theta _{2}(z;q)&=\theta _{2}(\pi z,q)=\vartheta _{10}(z;\tau )\\\theta _{3}(z;q)&=\theta
Theta_function
Symmetric holomorphic function
{\displaystyle q=e^{\pi i\tau }} is the nome, is given by: λ ( τ ) = 16 q − 128 q 2 + 704 q 3 − 3072 q 4 + 11488 q 5 − 38400 q 6 + … {\displaystyle \lambda (\tau
Modular_lambda_function
1961. Chapter was reformed in 2013 from Lambda Sigma Beta, established in 2011. Chapter formed from Theta Pi Beta, established in 1961. Chapter formed
List of Delta Sigma Pi chapters
List_of_Delta_Sigma_Pi_chapters
American honor society for French
Beta Pi Theta (ΒΠΘ) was an American college honor society for French. It was established in 1924 in Birmingham, Alabama and expanded to 35 sponsored chapters
Beta_Pi_Theta
American association of national, collegiate, professional fraternities and sororities
Phi Upsilon Omicron (home economics), Pi Lambda Theta (education), Sigma Sigma Sigma (education), and Theta Sigma Phi (journalism). Two additional fraternities
Professional Fraternity Association
Professional_Fraternity_Association
American Latina-based collegiate sorority
Lambda Theta Nu (ΛΘΝ) is a Latina-based Greek letter intercollegiate sorority founded in 1986 at California State University, Chico. Eighteen Latina students
Lambda_Theta_Nu
Alpha Lambda Sigma (local) in 1990. Founded as Chi Zeta (local) in 1990. Founded as Pi Theta Epsilon (local) in 1984. Delta Sigma Pi, Alpha Theta Pi, and
List of Theta Phi Alpha chapters
List_of_Theta_Phi_Alpha_chapters
violations. ΠΛΦ - Pi Lambda Phi, 1896–1901, 1911–1976 (NIC) ΘΞ - Theta Xi, 1903–1970, 2008–2010, (NIC) ΔΣΦ - Delta Sigma Phi, Theta chapter, 1907–1943
List of Cornell University fraternities and sororities
List_of_Cornell_University_fraternities_and_sororities
Sigma Theta Pi Theta chapter (2007). "Local History" Archived 2007-03-15 at the Wayback Machine. Retrieved March 13, 2007. Delta Sigma Theta Pi Theta chapter
Dartmouth College fraternities and sororities
Dartmouth_College_fraternities_and_sororities
U_{\tau }(\lambda ,a,b)f(z)=\lambda (S_{a}T_{b}f)(z)=\lambda \exp(i\pi b^{2}\tau +2\pi ibz)f(z+a+b\tau ),} where λ ∈ U ( 1 ) {\displaystyle \lambda \in U(1)}
Theta_representation
American classicist
Council of Pi Lambda Theta Cornell University". Pi Lambda Theta Journal. 30 (1): 49–140. ISSN 2374-3093. "Dear Pi Lambda Thetan". Pi Lambda Theta Journal
Helen_Jefferson_Loane
Pseudocylindrical equal-area map projection
{\begin{aligned}\varphi &=\arcsin {\frac {2\theta +\sin 2\theta }{\pi }},\\[5px]\lambda &=\lambda _{0}+{\frac {\pi x}{2R{\sqrt {2}}\cos \theta }},\end{aligned}}} where θ
Mollweide_projection
Student fraternity in Canada and France
Sigma Thêta Pi (ΣΘΠ, STPi), is an international francophone student fraternity based in Canada and France. It was established in 2003 at Grenoble Alpes
Sigma_Thêta_Pi
American information technology fraternity
Kappa Theta Pi (ΚΘΠ, also known as KTP) is a co-ed professional fraternity specializing in the field of information technology. Kappa Theta Pi was founded
Kappa_Theta_Pi
it absorbed Beta Phi Alpha, Phi Omega Pi, Theta Upsilon, and Delta Sigma Epsilon. Chapter formed from Lambda Sigma Alpha, established in 1915. Chapter
List_of_Delta_Zeta_chapters
from Phi Mu Theta, established in 1934. Chapter formed at Memphis State University, now the University of Memphis. Chapter formed from Lambda Nu, established
List of Alpha Epsilon Pi chapters
List_of_Alpha_Epsilon_Pi_chapters
American collegiate women's fraternity (1921–1962)
as the Iaqua club, also at Berkeley in 1919. In 1932, Lambda Omega was, in turn, absorbed by Theta Upsilon. The chapter at Berkeley, therefore, was the
Theta_Upsilon
Intrepid, which was established in 1963. Alpha Pi chapter was formed by absorbing the local Sigma Theta, which was established in 1965. It reformed as
List of Alpha Kappa Lambda chapters
List_of_Alpha_Kappa_Lambda_chapters
Number, approximately 3.14
π k ) . {\displaystyle \sin \theta =\sin \left(\theta +2\pi k\right){\text{ and }}\cos \theta =\cos \left(\theta +2\pi k\right).} Many of the appearances
Pi
by absorbing Phi Lambda Psi, established in 1905. Formed by absorbing Kappa Upsilon, established in 1903. Formed by absorbing Pi Theta Nu, established
List of Kappa Alpha Theta chapters
List_of_Kappa_Alpha_Theta_chapters
Equations of motion for viscous fluids
}}{\partial _{\varphi }^{2}u_{\theta }}+{\frac {1}{r^{2}\sin \theta }}\partial _{\theta }\left(\sin \theta {\partial _{\theta }u_{\theta }}\right)+{\frac {2}{r^{2}}}{\partial
Navier–Stokes_equations
as Delta Pi Delta (local), which had formed in 1966. Originated as Theta Sigma Tau (local), which had formed in 1967. Originated as Lambda Phi Omega
List_of_Chi_Omega_chapters
American educator
"The Contribution of Home Economics Teachers to Health Education". Pi Lambda Theta Journal. 20 (2): 64–66. ISSN 2374-3093. JSTOR 42915714. Bradbury, Dorothy
Edna_P._Amidon
Siegel theta series of degree g is defined by Θ L g ( T ) = ∑ λ ∈ L g exp ( π i T r ( λ T λ t ) ) {\displaystyle \Theta _{L}^{g}(T)=\sum _{\lambda \in
Siegel_theta_series
Mathematical explanation of far field diffraction
{2\pi J_{1}(\pi W\rho /\lambda z)}{2\pi W\rho /\lambda z}}\\&={\frac {2\pi J_{1}(\pi W\sin \theta /\lambda )}{W\sin \theta /\lambda }}\\&={\frac {2\pi J_{1}(kW\sin
Fraunhofer diffraction equation
Fraunhofer_diffraction_equation
Eleventh letter in the Greek alphabet
Lambda (/ˈlæmdə/ ; uppercase Λ, lowercase λ; Greek: λάμ(β)δα, lám(b)da; Ancient Greek: λά(μ)βδα, lá(m)bda), sometimes rendered lamda, labda or lamma, is
Lambda
Conditional probability paradox
to choosing the longitude λ {\displaystyle \lambda } uniformly from [ − π , π ] {\displaystyle [-\pi ,\pi ]} and choosing the latitude φ {\displaystyle
Borel–Kolmogorov_paradox
Pseudocylindrical equal-area map projection
{2}{\sqrt {4\pi +\pi ^{2}}}}R\,(\lambda -\lambda _{0})(1+\cos \theta )\approx 0.422\,2382\,R\,(\lambda -\lambda _{0})(1+\cos \theta ),\\[8pt]y&=2{\sqrt
Eckert_IV_projection
Loyola Club (1909). The ΘΚΦ chapter had originally formed out of Phi Lambda Pi (local, 1921) on that campus. The Pennsylvania Beta Gamma chapter was
List of Phi Kappa Theta chapters
List_of_Phi_Kappa_Theta_chapters
American collegiate women's fraternity
expansion. On June 28, 1952, Theta Phi Alpha absorbed Pi Lambda Sigma, the only other national Catholic women's fraternity. Pi Lambda Sigma at the time of the
Theta_Phi_Alpha
Lambda Theta Alpha is an American Latina-based college sorority. It was established in 1975 at Kean University. The sorority has both collegiate and alumnae
List of Lambda Theta Alpha chapters
List_of_Lambda_Theta_Alpha_chapters
Reinforcement learning algorithms
}{\frac {\lambda ^{n-1}}{1-\lambda }}\cdot \left(\sum _{k=0}^{n-1}\gamma ^{k}R_{j+k}+\gamma ^{n}V^{\pi _{\theta }}(S_{j+n})-V^{\pi _{\theta }}(S_{j})\right)}
Actor-critic_algorithm
Optical polarization device
L λ 0 , {\displaystyle \Gamma ={\frac {2\pi \,\Delta n\,L}{\lambda _{0}}},} where λ 0 {\displaystyle \lambda _{0}} is the vacuum wavelength of the light
Waveplate
Defunct American collegiate social fraternity
fraternities. Originated as Delta Pi Epsilon (local) in 1921. Originated as Phi Lambda Sigma (local) in 1926. Became the Beta Theta chapter of Alpha Sigma Phi
Alpha_Kappa_Pi
as Zeta Sigma (local) in 1902. Lambda chapter originated as Beta Psi (local) in 1903. Mu chapter originated as Theta Sigma (local) in 1906. Nu chapter
List of Zeta Tau Alpha chapters
List_of_Zeta_Tau_Alpha_chapters
Eighth letter of the Greek alphabet
Theta (uppercase Θ or ϴ; lowercase θ; cursive ϑ) is the eighth letter of the Greek alphabet, derived from the Phoenician letter Teth 𐤈. In the system
Theta
Concept in wave optics
\lambda }}\right)\right|={\frac {2\pi }{\lambda ^{2}}}\left[n(\lambda )-\lambda {\frac {\partial n}{\partial \lambda }}\right]={\frac {2\pi }{\lambda ^{2}}}n_{g}}
Free_spectral_range
Equation in Fourier analysis
{\displaystyle f_{\Lambda }(x)\sim \sum _{\lambda '\in \Lambda '}{\hat {f}}(\lambda ')e^{2\pi i\lambda 'x}} where Λ ′ {\displaystyle \Lambda '} is the dual
Poisson_summation_formula
Representation theory
∏ α ∈ Δ + ( 1 − e − α ) . {\displaystyle \Theta _{\pi }|_{H'}={\sum _{w\in W/W_{\lambda }}a_{w}e^{w\lambda } \over e^{\rho }\prod _{\alpha \in \Delta
Weyl_character_formula
North American collegiate fraternity
headquartered, at Miami University in Oxford, Ohio. Phi Delta Theta, along with Beta Theta Pi and Sigma Chi form the Miami Triad. The fraternity has over
Phi_Delta_Theta
(local) in 1958. This chapter originated as Theta Pi Omega (local) in 1964. This chapter originated as Lambda Pi Omega (local) in 1965. This chapter originated
List_of_Phi_Mu_chapters
Mathematical function
for theta = 0:pi/100:pi a = cos(theta)^2 / (2 * sigma_X^2) + sin(theta)^2 / (2 * sigma_Y^2); b = sin(2 * theta) / (4 * sigma_X^2) - sin(2 * theta) / (4
Gaussian_function
Machine learning technique
h_{\pi }(x,y_{w},y_{l})=\log \left({\frac {\pi _{\theta }(y_{w}|x)}{\pi _{\text{ref}}(y_{w}|x))}}\right)-\log \left({\frac {\pi _{\theta }(y_{l}|x)}{\pi
Reinforcement learning from human feedback
Reinforcement_learning_from_human_feedback
Trade association of collegiate men's fraternities
"LSU – Lambda Sigma Upsilon". Retrieved August 10, 2023. "Our History | Lambda Theta Phi Latin Fraternity, Inc". Retrieved August 10, 2023. "Home". Retrieved
North American Interfraternity Conference
North_American_Interfraternity_Conference
Determinant of large Toeplitz matrices
\infty }{\frac {1}{n}}\sum _{m=0}^{n-1}F(\lambda _{m}^{(n)})={\frac {1}{2\pi }}\int _{0}^{2\pi }F(w(\theta ))\,d\theta } for any function F {\displaystyle F}
Szegő_limit_theorems
Solutions of the Laplace equation in spherical polar coordinates
R_{\ell }^{m}(\mathbf {r} )\equiv {\sqrt {\frac {4\pi }{2\ell +1}}}\;r^{\ell }Y_{\ell }^{m}(\theta ,\varphi )} I ℓ m ( r ) ≡ 4 π 2 ℓ + 1 Y ℓ m ( θ , φ
Solid_harmonics
Electron-photon scattering cross section
{1}{2}}r_{e}^{2}\left({\frac {\lambda }{\lambda '}}\right)^{2}\left[{\frac {\lambda }{\lambda '}}+{\frac {\lambda '}{\lambda }}-\sin ^{2}(\theta )\right]} where r
Klein–Nishina_formula
Family of continuous probability distributions
{\displaystyle p(x;\theta )={\sqrt {\frac {\lambda }{2\pi x^{3}}}}\exp \left(-{\frac {\lambda }{2x}}+\theta x-{\sqrt {-2\lambda \theta }}\right)\mathbb {1}
Inverse_Gaussian_distribution
Class of reinforcement learning algorithms
_{\theta }\ln \pi _{\theta }(a|s)\\&=\sum _{s}Pr(S_{j}=s|S_{i}=s_{i})\sum _{a}\pi _{\theta }(a|s){\frac {\nabla _{\theta }\pi _{\theta }(a|s)}{\pi _{\theta
Policy_gradient_method
Symbols for constants, special functions
η-conversion in lambda calculus the learning rate in machine learning and statistics the hapticity of a coordination complex ligand Θ {\displaystyle \Theta } (uppercase)
Greek letters used in mathematics, science, and engineering
Greek_letters_used_in_mathematics,_science,_and_engineering
established in 1930. Chapter formed from Theta Xi Theta (local), established in 1949. Chapter formed from Lambda Sigma Pi (local), established in 1939. Chapter
List of Alpha Sigma Tau chapters
List_of_Alpha_Sigma_Tau_chapters
Phi Delta Theta is an international college fraternity founded in 1848. Chapter designation is determined by the order in which each chapter was awarded
List of Phi Delta Theta chapters
List_of_Phi_Delta_Theta_chapters
Measure of how much of an antenna's signal is transmitted in one direction
phasing); k = 2 π λ {\textstyle k={\frac {2\pi }{\lambda }}} is the wavenumber; { θ τ , ϕ τ } {\displaystyle \{\theta _{\tau },\phi _{\tau }\}} is the angular
Directivity
American educator
Education from 1929 to 1946. From 1933 to 1937, she was president of Pi Lambda Theta. During the 1930s, much of her attention was focused on vocational
Bess_Goodykoontz
"History of Gamma Pi Lambda - Gamma Pi Lambda Chapter of Alpha Phi Alpha". Gamma Pi Lambda. Retrieved April 17, 2023. "Gamma Rho Lambda | Alpha Phi Alpha"
List of Alpha Phi Alpha chapters
List_of_Alpha_Phi_Alpha_chapters
Chapter formed from Pi Alpha, established in 1926. Chapter formed from Chi Lambda Sigma, established in 1923. Chapter formed from Lambda Sigma, established
List_of_Pi_Kappa_Phi_chapters
Special mathematical functions defined on the surface of a sphere
{\displaystyle \lambda \sin ^{2}\theta +{\frac {\sin \theta }{\Theta }}{\frac {d}{d\theta }}\left(\sin \theta {\frac {d\Theta }{d\theta }}\right)=m^{2}}
Spherical_harmonics
Discrete probability distribution
PoissonDistribution[ λ {\displaystyle \lambda } ], bivariate Poisson distribution as MultivariatePoissonDistribution[ θ 12 , {\displaystyle \theta _{12},} { θ 1 − θ 12
Poisson_distribution
empowerment for the Latino community. In New Jersey on December 1, 1975, Lambda Theta Phi Latin Fraternity, Inc. was founded at Kean University in Union Township
List of Latino fraternities and sororities
List_of_Latino_fraternities_and_sororities
Quantum algorithm for eigenvalue estimation
{\displaystyle U|\psi \rangle =e^{2\pi i\theta }\left|\psi \right\rangle } for some θ ∈ R {\displaystyle \theta \in \mathbb {R} } . Due to the periodicity
Quantum phase estimation algorithm
Quantum_phase_estimation_algorithm
formed from Phi Theta Tau, established in 1942. Chapter formed from the Catholic Club, established in 1956. In 2002, it reformed from Alpha Pi Rho (local)
List of University of Texas at Austin fraternities and sororities
List_of_University_of_Texas_at_Austin_fraternities_and_sororities
Organization that recognizes excellence
Other honor societies were established a century later, including Tau Beta Pi for engineering (1885), Sigma Xi for scientific research (1886), and Phi Kappa
Honor_society
UNM chapter of the national honorary education fraternity for women, Pi Lambda Theta, and, in 1931, the Epsilon chapter of the philanthropic social organization
Lena_Clauve
Lobe in a discrete aperture antenna
( cos θ − cos θ T ) {\displaystyle 2\pi n={\frac {2\pi }{\lambda }}d\times \left(\cos \theta -\cos \theta _{T}\right)} . The first grating lobe will
Grating_lobes
Pi Lambda Phi is international social fraternity. It was founded on March 21, 1895, at Yale University in New Haven, Connecticut. It merged with Phi Beta
List of Pi Lambda Phi chapters
List_of_Pi_Lambda_Phi_chapters
with its new national partner, Phi Kappa Psi. Merged with Theta Chi. Merged with Pi Lambda Phi. Originally a literary society Merged with Phi Mu Delta
List_of_social_fraternities
Lambda Pi Eta is an international communication studies honor society, associated with the National Communication Association. Lambda Pi Eta was established
List of Lambda Pi Eta chapters
List_of_Lambda_Pi_Eta_chapters
Polynomial sequence
|R_{M}(\theta )|\leq (2/\pi )\sin(\lambda \pi ){\frac {\Gamma (n+2\lambda )}{\Gamma (\lambda )}}{\frac {\Gamma (M+\lambda )\Gamma (M-\lambda +1)}{M!\Gamma
Gegenbauer_polynomials
Chapter Pi Lambda Omega". Pi Lambda Omega. Retrieved May 30, 2023. "Charters members". AKA Pi Nu Omega Chapter. Retrieved May 30, 2023. "Pi Xi Omega
List of Alpha Kappa Alpha chapters
List_of_Alpha_Kappa_Alpha_chapters
Poughkeepsie, NY in 1853. At its 1904 revival, the chapter absorbed Mu Pi Lambda (local), which had originated in 1899. The chapter originated in 1852
List of Theta Delta Chi charges
List_of_Theta_Delta_Chi_charges
Omicron Pi, established in 1909. After going inactive, it reformed in 1914 from the Magpies, established in 1913. Chapter formed from Sigma Theta Gamma
List_of_Sigma_Pi_chapters
American collegiate Latina sorority
Lambda Pi Upsilon Sorority, Latinas Poderosas Unidas, Inc. (ΛΠΥ, LPiU), is a Latina based national sorority founded in 1992 at the State University of
Lambda_Pi_Upsilon
Modular function in mathematics
modular lambda function λ ( τ ) = θ 2 ( e π i τ ) 4 θ 3 ( e π i τ ) 4 = k ( τ ) 2 {\displaystyle \lambda (\tau )={\frac {\theta _{2}(e^{\pi i\tau })^{4}}{\theta
J-invariant
Complex-differentiable part of a Maass wave function
weak Maass form, and a mock theta function is essentially a mock modular form of weight 1/2. The first examples of mock theta functions were described
Mock_modular_form
Logarithm of a complex number
numbers of the form ln r + i ( θ + 2 π k ) {\displaystyle \ln r+i\left(\theta +2\pi k\right)} for integers k {\displaystyle k} . These logarithms are equally
Complex_logarithm
Theta Epsilon". Kappa Theta Epsilon. 2009. Retrieved 2014-06-30. "Kappa Xi Omega". Kappa Xi Omega. 2016. Retrieved 2016-07-25. "Lambda Delta Lambda -
List of LGBTQ and LGBTQ-friendly fraternities and sororities
List_of_LGBTQ_and_LGBTQ-friendly_fraternities_and_sororities
Telecommunications performance metric
_{0}^{2\pi }\int _{0}^{\pi }U(\theta ,\phi )\sin(\theta )\,d\theta \,d\phi =2\pi B_{0}\int _{0}^{\pi }\sin ^{4}(\theta )\,d\theta =B_{0}\left({\frac
Gain_(antenna)
Retrieved October 9, 2024. "Home". Theta Lambda Beta Fraternity Inc. Retrieved October 9, 2024. "About". Theta Lambda Beta. Retrieved October 9, 2024. "Active
List of Asian American fraternities and sororities
List_of_Asian_American_fraternities_and_sororities
American engineering fraternity
Theta Tau (ΘΤ) is a professional collegiate engineering fraternity. The fraternity has programs to promote the social, academic, and professional development
Theta_Tau
Notation in general relativity
}})\varepsilon +\tau \pi -\nu \kappa +\Psi _{2}+\Phi _{11}-\Lambda \,,\\[1ex]D\lambda -{\bar {\delta }}\pi &=(\rho \lambda +{\bar {\sigma }}\mu )+\pi ^{2}+(\alpha
Newman–Penrose_formalism
Quadric surface that looks like a deformed sphere
0 ≤ λ < 2 π , {\displaystyle -{\tfrac {\pi }{2}}\leq \theta \leq {\tfrac {\pi }{2}},\qquad 0\leq \lambda <2\pi ,} θ is the reduced latitude, parametric
Ellipsoid
Formula in X-ray diffraction and crystallography
{\displaystyle \tau =Na={\frac {5.56\lambda }{2\pi \beta \cos(\theta )}}={\frac {0.88\lambda }{\beta \cos(\theta )}}} which is the Scherrer equation with
Scherrer_equation
Statement on the gravitational attraction of spherical bodies
d θ {\displaystyle dM={\frac {2\pi R^{2}\sin(\theta )}{4\pi R^{2}}}M\,d\theta ={\frac {1}{2}}M\sin(\theta )\,d\theta } and F r = G M m 2 ∫ sin ( θ )
Shell_theorem
Equal-area pseudocylindrical global map projection
{3}}\,\lambda \cos {\theta }}{3\,(9\,A_{4}\,\theta ^{8}+7\,A_{3}\,\theta ^{6}+3\,A_{2}\,\theta ^{2}+A_{1})}}\\y&=A_{4}\,\theta ^{9}+A_{3}\,\theta ^{7}+A_{2}\
Equal_Earth_projection
Continuous probability distribution
{\displaystyle f(x;k,\lambda ,\theta )={k \over \lambda }\left({x-\theta \over \lambda }\right)^{k-1}e^{-\left({x-\theta \over \lambda }\right)^{k}}\,} for
Weibull_distribution
local group Alpha, established in 1920. Chapter formed by absorbing Sigma Pi Theta, established in 1924. Chapter formed by absorbing the Senate Club, established
List of Alpha Chi Omega chapters
List_of_Alpha_Chi_Omega_chapters
Type of plasma diffusion
{\displaystyle v_{\parallel }=\pm v{\sqrt {1-\lambda B/B_{0}}}\approx \pm v{\sqrt {1-\lambda (1-\varepsilon \cos {\theta })}}} The orbit widths can then be estimated
Neoclassical_transport
formed from Pi Rho Sigma (loca), established in 1924. After going dormant, it reformed as a colony in 1952. Chapter formed from Sigma Alpha Lambda (local)
List of Delta Phi Epsilon (social) chapters
List_of_Delta_Phi_Epsilon_(social)_chapters
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PI LAMBDA-THETA
PI LAMBDA-THETA
PI LAMBDA-THETA
PI LAMBDA-THETA
PI LAMBDA-THETA
PI LAMBDA-THETA
PI LAMBDA-THETA
PI LAMBDA-THETA
PI LAMBDA-THETA
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