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American collegiate Latino fraternity
Lambda Theta Phi Latin Fraternity, Inc. (ΛΘΦ) is a Latino non-profit social fraternity in the United States with 148 undergraduate chapters and 33 alumni
Lambda_Theta_Phi
American Latina-interest collegiate sorority
Lambda Theta Alpha Latin Sorority, Inc. (ΛΘΑ) is the first and largest intercollegiate Latina-based sorority. It was established in December 1975 at Kean
Lambda_Theta_Alpha
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
including Zeta Psi, Kappa Kappa Kappa, Phi Sigma Kappa, Sigma Nu, Sigma Alpha Epsilon, Chi Phi, Theta Delta Chi, Phi Gamma Delta, Sigma Chi, and Gamma Delta
Dartmouth College fraternities and sororities
Dartmouth_College_fraternities_and_sororities
Lambda Theta Phi is a Latino social fraternity in the United States. It was established in 1975, at Kean University. The fraternity has collegiate and
List of Lambda Theta Phi chapters
List_of_Lambda_Theta_Phi_chapters
April 17, 2023. "Theta Mu Lambda". Alpha Phi Alpha Fraternity Inc. - Illinois District. Retrieved April 15, 2023. "Theta Xi Lambda". District of Indiana
List of Alpha Phi Alpha chapters
List_of_Alpha_Phi_Alpha_chapters
Topics referred to by the same term
fraternity Lambda Theta Nu, an American Latina sorority Lambda Theta Phi, an American Latin-interest fraternity Lambda Upsilon Lambda, an American Latino-interest
Lambdas
originated as Phi Kappa Lambda (local) in 196x ? This chapter originated as Zeta Chi Epsilon (local) in 1967. This chapter originated as Theta Sigma Chi (local)
List_of_Phi_Mu_chapters
Defunct American collegiate fraternity
Phi Lambda Theta (ΦΛΘ) was a social fraternity founded at Pennsylvania State College (now Pennsylvania State University) in 1920 for students who belonged
Phi_Lambda_Theta
new national partner, Phi Kappa Psi. Merged with Theta Chi. Merged with Pi Lambda Phi. Originally a literary society Merged with Phi Mu Delta. Originally
List_of_social_fraternities
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
Trade association of collegiate men's fraternities
– 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
North American collegiate fraternity
Phi Delta Theta (ΦΔΘ), commonly known as Phi Delt, is an international college social fraternity founded in 1848, and currently headquartered, at Miami
Phi_Delta_Theta
List of Delta Sigma Theta national conventions List of Delta Sigma Theta sisters The chapter merged with the citywide Epsilon Phi chapter in the 1960s
List of Delta Sigma Theta collegiate chapters
List_of_Delta_Sigma_Theta_collegiate_chapters
"IThZ Chapter History". Iota Theta Zeta. Retrieved March 6, 2023. "Chapter History". Zeta Phi Beta Sorority Inc. Beta Lambda Chapter. Retrieved March 6
List of Zeta Phi Beta chapters
List_of_Zeta_Phi_Beta_chapters
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
Twenty-first letter in the Greek alphabet
Phi (/ˈfaɪ, ˈfiː/ FY, FEE; uppercase Φ, lowercase φ or ϕ; Ancient Greek: ϕεῖ pheî [pʰéî̯]; Modern Greek: φι fi [fi]) is the twenty-first letter of the
Phi
Omega Psi Phi Fraternity, Inc. Retrieved June 5, 2025. "THETA OMEGA". Theta Omega Ques. Retrieved June 5, 2025. "Chapter History". Lambda Omega Chapter
List of Omega Psi Phi chapters
List_of_Omega_Psi_Phi_chapters
formed from Phi Delta (local), established in 1968. Chapter formed from Lambda Phi Delta (local), established in 1967. Chapter formed from Phi Theta Epsilon
List of Delta Phi Epsilon (social) chapters
List_of_Delta_Phi_Epsilon_(social)_chapters
from Kappa Theta (local), established in 1920. This chapter formed from Tau Nu Lambda (local), established in 1924 to join Alpha Sigma Phi. This chapter
List of Alpha Sigma Phi chapters
List_of_Alpha_Sigma_Phi_chapters
Stochastic process modeling random walk with friction
ϕ = 0 {\displaystyle {\frac {d^{2}}{dy^{2}}}\phi -y{\frac {d}{dy}}\phi -{\frac {\lambda }{\theta }}\phi =0} which is the defining equation for Hermite
Ornstein–Uhlenbeck_process
American classicist
She was a member of various prestigious organizations, including Pi Lambda Theta, Phi Beta Kappa, the American Philological Association, and the Classical
Helen_Jefferson_Loane
fraternities, Phi Kappa and Theta Kappa Phi. Phi Kappa was founded in 1889 at Brown University in Providence, Rhode Island, while Theta Kappa Phi was founded
List of Phi Kappa Theta chapters
List_of_Phi_Kappa_Theta_chapters
Phi Lambda Sorority Inc. Retrieved 2025-03-21. "Home". Zeta Theta Chapter of Iota Phi Lambda Sorority, Inc. Retrieved 2025-03-21. "Arizona". Iota Phi
List of Iota Phi Lambda chapters
List_of_Iota_Phi_Lambda_chapters
American collegiate women's fraternity
Theta Phi Alpha (ΘΦΑ), commonly known as Theta Phi, is a women's fraternity founded at the University of Michigan – Ann Arbor on August 30, 1912. Theta
Theta_Phi_Alpha
Professional law fraternity
Delta Theta Phi (ΔΘΦ) is a professional law fraternity and a member of the Professional Fraternity Association. Delta Theta Phi is the only one of the
Delta_Theta_Phi
formed from Pi Theta Phi, established in 1987. Chapter formed from Xi Delta (local), established in 1987. Chapter formed from Chi Lambda Sigma Sisters
List of Phi Sigma Sigma chapters
List_of_Phi_Sigma_Sigma_chapters
2023. "Theta Kappa". Alpha Phi. Retrieved September 14, 2023. "Theta Lambda". Alpha Phi. Retrieved September 14, 2023. "Theta Mu". Alpha Phi. Retrieved
List_of_Alpha_Phi_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
Discrete probability distribution
PoissonDistribution[ λ {\displaystyle \lambda } ], bivariate Poisson distribution as MultivariatePoissonDistribution[ θ 12 , {\displaystyle \theta _{12},} { θ 1 − θ 12
Poisson_distribution
Technique for the generative modeling of a continuous probability distribution
( x ϕ t ) {\displaystyle x_{\phi _{t}-\delta }=\cos(\delta )\;x_{\phi _{t}}-\sin(\delta ){\hat {v}}_{\theta }\;(x_{\phi _{t}})} . This parameterization
Diffusion_model
Special functions of several complex variables
[}2\,\theta _{2}(\Phi ^{-2})^{4}-\theta _{3}(\Phi ^{-2})^{4}+1{\bigr ]}={\frac {5}{24}}{\bigl [}\theta _{3}(\Phi ^{-2})^{4}-2\,\theta _{4}(\Phi ^{-2})^{4}+1{\bigr
Theta_function
Quantum field theory with four-point interactions
{\displaystyle {\mathcal {L}}(\phi )=\partial ^{\mu }\phi ^{*}\partial _{\mu }\phi -m^{2}\phi ^{*}\phi -\lambda (\phi ^{*}\phi )^{2},} which is thus equivalent
Quartic_interaction
the Delta chapter of Phi Lambda Theta in 1927, but that national dissolved about a decade later. The chapter joined ΚΣΚ as its Lambda chapter in 1941. After
List_of_Theta_Chi_chapters
formed from Phi Kappa Theta, established in 1922. Chapter formed from Lambda Phi Delta, established in 1923. Chapter formed from Sigma Kappa Phi, established
List of Phi Kappa Tau chapters
List_of_Phi_Kappa_Tau_chapters
1900. Later, it absorbed Beta Phi Alpha, Phi Omega Pi, Theta Upsilon, and Delta Sigma Epsilon. Chapter formed from Lambda Sigma Alpha, established in 1915
List_of_Delta_Zeta_chapters
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
Beta Theta Pi to join Alpha Delta Phi as its Brunonian chapter in 1851. It was reestablished in 1880 by absorbing the remaining chapter of Phi Kappa
List of Beta Theta Pi chapters
List_of_Beta_Theta_Pi_chapters
his experiences with Beta (Washington, D.C.), Theta (Chicago), Xi Lambda (Chicago Alumni), and Eta Lambda (Atlanta Alumni) as collective inspirations for
List of Alpha Phi Alpha members
List_of_Alpha_Phi_Alpha_members
American high school fraternity
additional chapters through the direct efforts of Mu Theta members: Beta – Memphis, Tennessee (1922) Lambda – Mobile, Alabama (1923) Delta – Laurel, Mississippi
Phi_Kappa_(secondary)
absorbing Chi Phi Club (local), established in 1971 Formed by absorbing Un Kappa Fifth, established in 1957. Formed by absorbing Phi Lambda Theta (local),
List_of_Chi_Phi_chapters
1911, Delta Phi was suspended in 2025 for five years for hazing and other violations. ΠΛΦ - Pi Lambda Phi, 1896–1901, 1911–1976 (NIC) ΘΞ - Theta Xi, 1903–1970
List of Cornell University fraternities and sororities
List_of_Cornell_University_fraternities_and_sororities
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
convention with Alpha Kappa Alpha, Delta Sigma Theta. Kappa Alpha Psi, Sigma Gamma Rho, and Zeta Phi Beta. The constitution was changed to allow admission
List of Alpha Phi Alpha national conventions
List_of_Alpha_Phi_Alpha_national_conventions
Phi Beta Delta and Pi Lambda Phi, the Massachusetts Theta chapter of Phi Beta Delta was merged that year with the older Delta Nu chapter of Pi Lambda
List of Massachusetts Institute of Technology fraternities and sororities
List_of_Massachusetts_Institute_of_Technology_fraternities_and_sororities
Chapter formed from Theta Pi, established in 1924. Chapter formed from Phi Sigma Epsilon, established in 1951. Chapter formed from Lambda Xi Epsilon, established
List of Phi Sigma Epsilon chapters
List_of_Phi_Sigma_Epsilon_chapters
Angle between the zenith and the centre of the Sun's disc
{\displaystyle \cos \theta _{s}=\mathbf {S} \cdot \mathbf {V} _{oz}=\sin \phi _{o}\sin \phi _{s}+\cos \phi _{o}\cos \phi _{s}\cos(\lambda _{s}-\lambda _{o}).} Note
Solar_zenith_angle
colony in 1989. Chapter formed from Phi Delta Gamma, a local sorority established in 1923. Chapter formed from Theta Psi Delta, a local sorority established
List of Texas State University fraternities and sororities
List_of_Texas_State_University_fraternities_and_sororities
local Sigma Theta, which was established in 1965. It reformed as a colony in 1993. Alpha Upsilon chapter was formed by absorbing the local Phi Sigma Rho
List of Alpha Kappa Lambda chapters
List_of_Alpha_Kappa_Lambda_chapters
2008). "History Contest Answers". Blue Phi. "Eta Gamma".[dead link] "Iota Pi". "Kappa Upsilon". Lambda Eta Nu Theta Links Xi Delta "Student Organizations
List of Phi Beta Sigma chapters
List_of_Phi_Beta_Sigma_chapters
American religious fraternity (1925–1941)
Theta Epsilon in 1941. Methodist men in the Wesley Foundation at the University of South Dakota had formed a religious fraternity called Phi Lambda Phi
Phi_Tau_Theta
Defunct Catholic collegiate fraternity
Theta Kappa Phi (ΘΚΦ) was an American social fraternity for Catholics founded on October 1, 1919, at Lehigh University in Bethlehem, Pennsylvania. On
Theta_Kappa_Phi
formed from Theta Delta Sigma, established in 1910. Fraternities and sororities were banned at Wooster in 1913. Chapter formed from Theta Lambda Phi, established
List of Sigma Phi Epsilon chapters
List_of_Sigma_Phi_Epsilon_chapters
(sorority) Lambda Theta Alpha (sorority) Lambda Theta Phi (fraternity) Lambda Upsilon Lambda (fraternity) Mu Sigma Upsilon (sorority) Nu Alpha Phi (fraternity)
List of Rutgers University fraternities and sororities
List_of_Rutgers_University_fraternities_and_sororities
originated as Lambda Phi (local) in 1901. This chapter originated as Pi Gamma Phi (local) in 1947. This chapter originated as Kappa Sigma Theta (local) in
List_of_Pi_Beta_Phi_chapters
of Theta Delta Chi in 1879. This chapter originated as Delta Beta Phi (local), formed in 1878. The chapter was revived in 1986 by absorption of Theta Delta
List of Theta Delta Chi charges
List_of_Theta_Delta_Chi_charges
in 1913, but Theta's Epsilon chapter continued to thrive as a local organization first called the Imps, then as local sorority Zeta Phi Gamma, which still
List of Kappa Alpha Theta chapters
List_of_Kappa_Alpha_Theta_chapters
Phi Theta Kappa is an international honor society for students seeking associate degrees, bachelor's degrees, or other college credentials. Most of its
List of Phi Theta Kappa chapters
List_of_Phi_Theta_Kappa_chapters
Matrix representing a Euclidean rotation
\phi \cos \theta -\sin \phi \sin \theta \\\cos \phi \sin \theta +\sin \phi \cos \theta \end{bmatrix}}=r{\begin{bmatrix}\cos(\phi +\theta )\\\sin(\phi +\theta
Rotation_matrix
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
American collegiate fraternity (1917–1948)
Sigma chapter of Theta Xi in 1948. This chapter originated as the Four-Eleven Gang (local) in 1922, taking the Greek letter name Lambda Phi Epsilon in 1927
Beta_Phi_Theta
Azimuth angle of the Sun's position
\\S_{y}&=\cos \phi _{o}\sin \phi _{s}-\sin \phi _{o}\cos \phi _{s}\cos(\lambda _{s}-\lambda _{o}),\\S_{z}&=\sin \phi _{o}\sin \phi _{s}+\cos \phi _{o}\cos \phi _{s}\cos(\lambda
Solar_azimuth_angle
Machine learning technique
{\displaystyle {\text{objective}}(\phi )=E_{(x,y)\sim D_{\pi _{\phi }^{\text{RL}}}}\left[r_{\theta }(x,y)-\beta \log \left({\frac {\pi _{\phi }^{\text{RL}}(y|x)}{\pi
Reinforcement learning from human feedback
Reinforcement_learning_from_human_feedback
Measure of how much of an antenna's signal is transmitted in one direction
{\displaystyle P_{\text{tot}}=\int _{\phi =0}^{\phi =2\pi }\int _{\theta =0}^{\theta =\pi }U\sin \theta \,d\theta \,d\phi ;} that is, the total radiated power
Directivity
Special functions
=-\left(\sin {\theta }\right)^{s}\left\{{\frac {\partial }{\partial \theta }}+{\frac {i}{\sin {\theta }}}{\frac {\partial }{\partial \phi }}\right\}\left[\left(\sin
Spin-weighted spherical harmonics
Spin-weighted_spherical_harmonics
American collegiate fraternity (1924–1939)
charter members of Theta Kappa Nu. The charter members were: Winslow S. Anderson, Tau Lambda Earl N. Arbaugh, Phi Alpha Sigma Paul Barnett, Phi Kappa Nu Paul
Theta_Kappa_Nu
In mathematics, the theta representation is a particular representation of the Heisenberg group of quantum mechanics. It gains its name from the fact
Theta_representation
Theta Phi Alpha is an American women's fraternity. It was established at the University of Michigan in 1912. The fraternity has collegiate and alumnae
List of Theta Phi Alpha chapters
List_of_Theta_Phi_Alpha_chapters
Donehew (Theta Zeta) – president of the Women's Basketball Hall of Fame board of directors and executive vice president of the Atlanta Dream List of Phi Mu
List_of_Phi_Mu_members
Sigma, established in 1975. Chapter formed from Phi Lambda Chi, established in 1959. Chapter formed from Theta Epsilon Chi, established in 1961. Chapter formed
List of Delta Sigma Phi chapters
List_of_Delta_Sigma_Phi_chapters
Conditional probability paradox
{\displaystyle \mu _{\Phi ,\Lambda }(d\varphi ,d\lambda )=f_{\Phi ,\Lambda }(\varphi ,\lambda )\omega _{r}(\varphi ,\lambda )\,d\varphi \,d\lambda } denote the joint
Borel–Kolmogorov_paradox
Defunct national collegiate fraternity
chapter of Pi Lambda Phi. Chapter formed from Kappa Omega (local). With the national merger, the chapter restored the Theta chapter of Pi Lambda Phi. With the
Phi_Beta_Delta_(fraternity)
American fine arts sorority (1917–1930)
Lambda Phi Delta (ΛΦΔ) was an American professional fine arts sorority. It was established at Northwestern University in Evanston, Illinois in 1917. It
Lambda_Phi_Delta
Electron-photon scattering cross section
{\lambda }{\lambda '}}\right)^{2}\left[{\frac {\lambda }{\lambda '}}+{\frac {\lambda '}{\lambda }}-2\sin ^{2}(\theta )\cos ^{2}(\phi )\right]}
Klein–Nishina_formula
Polynomial sequence
{\begin{aligned}&C_{n}^{\lambda }\left(\cos \theta _{1}\cos \theta _{2}+\sin \theta _{1}\sin \theta _{2}\cos \phi \right)\\&\quad =\sum _{k=0}^{n}a_{n,k}^{\lambda }\left(\sin
Gegenbauer_polynomials
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
Representation of the supersymmetry algebra
\Phi (x,\theta ,{\bar {\theta }})=\phi (x)+\theta \chi (x)+{\bar {\theta }}{\bar {\chi }}'(x)+{\bar {\theta }}\sigma ^{\mu }\theta V_{\mu }(x)+\theta ^{2}F(x)+{\bar
Supermultiplet
International historically African American collegiate fraternity
succession founded at Howard: Omega Psi Phi (1911), Delta Sigma Theta (1913), Phi Beta Sigma (1914) and Zeta Phi Beta (1920). Kappa Alpha Psi was founded
Alpha_Phi_Alpha
American collegiate fraternity
PENN FRATERNITIES, Delta Phi (St. Elmo)". Retrieved October 6, 2022. "Delta Phi Lambda Chapter". deltaphirpi.com. "Lehigh Delta Phi loses recognition". February
Delta_Phi
Neural network that learns efficient data encoding in an unsupervised manner
{\displaystyle \min _{\theta ,\phi }L(\theta ,\phi )+\lambda L_{\text{sparse}}(\theta ,\phi )} where λ > 0 {\displaystyle \lambda >0} measures how much
Autoencoder
by the merger of three law fraternities: Alpha Kappa Phi, Delta Phi Delta, and Theta Lambda Phi. The merged chapters continued to use their original charter
List of Delta Theta Phi chapters
List_of_Delta_Theta_Phi_chapters
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
– (Alpha Theta, Texas-Austin) dancer/choreographer Susan Browning (Beta Phi, Penn State) – Tony Award-winning actress Melanie Chandra (Phi Deuteron,
List of Kappa Alpha Theta members
List_of_Kappa_Alpha_Theta_members
Shepherd College's Sigma Chi chapter of Phi Sigma Kappa, for example, which honors their former local name Theta Sigma Chi. Several Sigma-series names were
List of Phi Sigma Kappa chapters
List_of_Phi_Sigma_Kappa_chapters
American secondary student organizations
Beta Phi, to Give Party New Year's Eve". The Muskegon Chronicle. 1903-12-23. p. 7. Retrieved 2026-05-18 – via Newspapers.com. "Lambda Theta Phi Sorority
High school fraternities and sororities
High_school_fraternities_and_sororities
Christian college in Grove City, Pennsylvania, US
Grove City College (GCC) is a private, conservative Christian liberal arts college in Grove City, Pennsylvania, United States. It was founded in 1876 as
Grove_City_College
Defunct American collegiate fraternity
their faith. On April 29, 1959, Phi Kappa merged with a similar fraternity Theta Kappa Phi to form Phi Kappa Theta. Phi Kappa originated as a local club
Phi Kappa (Catholic fraternity)
Phi_Kappa_(Catholic_fraternity)
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
Formula in matrix theory
_{j=0}^{n_{i}-1}{\frac {1}{j!}}\phi _{i}^{(j)}(\lambda _{i})\left(A-\lambda _{i}I\right)^{j}\prod _{j=1,j\neq i}^{s}\left(A-\lambda _{j}I\right)^{n_{j}}\right]}
Sylvester's_formula
Characterization of distortion in map projections
{\partial x}{\partial \lambda }}\right)}^{2}}+{{\left({\frac {\partial y}{\partial \lambda }}\right)}^{2}}}}\\[4pt]\sin \theta '&={\frac {1}{R^{2}hk\cos
Tissot's_indicatrix
list of Pi Lambda Phi notable Alumni Brothers. Pi Lambda Phi is a fraternity in the United States. Membership Directory, 2010, Pi Lambda Phi Inc. "Archived
List_of_Pi_Lambda_Phi_members
Middlesouth Region Chi Eta Phi". Retrieved April 16, 2024. "Theta Chi Chapter | About Us". Theta Chi Chapter Chi Eta Phi Sorority. Retrieved 2024-04-16
List_of_Chi_Eta_Phi_chapters
Notation in general relativity
{\displaystyle \Phi _{00},\Phi _{11},\Phi _{22},\Lambda } (real); Φ 01 , Φ 10 , Φ 02 , Φ 20 , Φ 12 , Φ 21 {\displaystyle \Phi _{01},\Phi _{10},\Phi _{02},\Phi _{20}
Newman–Penrose_formalism
Class of statistical survival models
{\lambda (Y_{i}\mid X_{i})}{\sum _{j=i}^{N}\lambda (Y_{i}\mid X_{j})}}={\frac {\lambda _{0}(Y_{i})\theta _{i}}{\sum _{j=i}^{N}\lambda _{0}(Y_{i})\theta
Proportional_hazards_model
Flight or sailing route along the shortest path between two points on a globe's surface
{\cos \phi _{2}\sin \lambda _{12}}{\cos \phi _{1}\sin \phi _{2}-\sin \phi _{1}\cos \phi _{2}\cos \lambda _{12}}},\\\tan \alpha _{2}&={\frac {\cos \phi _{1}\sin
Great-circle_navigation
Canonical solutions of the general Legendre equation
}{\partial \theta ^{2}}}+\cot \theta {\frac {\partial \psi }{\partial \theta }}+\csc ^{2}\theta {\frac {\partial ^{2}\psi }{\partial \phi ^{2}}}+\lambda \psi
Associated Legendre polynomials
Associated_Legendre_polynomials
President". AKA-Lambda Eta Omega. Retrieved May 28, 2023. "Chapter History". Lambda Theta Omega Chapter AKA. Retrieved May 28, 2023. "History". Lambda Iota Omega
List of Alpha Kappa Alpha chapters
List_of_Alpha_Kappa_Alpha_chapters
American collegiate women's fraternity (1921–1962)
chapter of Lambda Omega in 1932, and the Theta Alpha chapter of Theta Upsilon in 1933. It went inactive in 1935. Chapter formed from Phi Kappa Delta
Theta_Upsilon
International professional education organization
the collegiate honor society Pi Lambda Theta and the career and technical student organization Educators Rising. Phi Delta Kappa formed from the merger
PDK_International
Kappa Lambda (local), which had formed in 1946. Originated as Lambda Lambda Lambda (local), which had formed in 1945. Originated as Phi Sigma Theta (local)
List_of_Chi_Omega_chapters
LAMBDA THETA-PHI
LAMBDA THETA-PHI
Female
Greek
 Short form of Greek and Latin Dorothea, THEA means "gift of God." Compare with another form of Thea.
Female
Spanish
Feminine form of Spanish Amado, AMADA means "beloved."
Surname or Lastname
English
English : habitational name from Lambden in Berwickshire.
Girl/Female
Russian American Greek
God's gift.
Female
English
Pet form of English Theodora, THEDA means "gift of God."
Female
Spanish
 Pet form of Spanish Theresa, THERA means "harvester." Compare with another form of Thera.
Girl/Female
Arabic, Indian, Muslim, Pashtun, Sanskrit
Flame; Large; Spacious; Tall; Another Name for Durga and Lakshmi
Girl/Female
Greek
Untamed.
Female
Native American
Native American Indian name ALAMEDA means "grove of cottonwood."
Female
Greek
(ΘήÏα) Greek name THERA means "lustrous." In mythology, this is the name of one of Amphion's seven daughters. Compare with another form of Thera.
Female
English
 Pet form of English Theodora, THEA means "gift of God." Compare with another form of Thea.
Boy/Male
Hindu
Radiant
Female
English
English variant spelling of Spanish Rita, RHETA means "pearl."Â
Female
Italian
Italian form of English Amber, AMBRA means "amber."
Girl/Female
Greek American
Goddess; godly. Also as abbreviation of names like Althea and Dorothea. The mythological Thea was...
Girl/Female
Egyptian
Queen.
Surname or Lastname
English
English : from a pet form of Lamb 1 and 2.English : from an Old Norse personal name Lambi, from lamb ‘lamb’.
Girl/Female
Greek
Speaker.
Girl/Female
Muslim
Flame
Girl/Female
Indian
Flame
LAMBDA THETA-PHI
LAMBDA THETA-PHI
Girl/Female
Hindu, Indian, Kannada, Telugu
Brightness of Light; Enlightened
Girl/Female
Australian, Danish, Finnish, French, German, Greek, Japanese, Malaysian, Polish, Romanian, Russian, Slavic, Swedish, Ukrainian
Peace
Girl/Female
Greek
Gold or golden. Annointed one. A Christian.
Girl/Female
American, Australian, Chinese
She who Brings Victory
Surname or Lastname
English
English : variant spelling of Bird.
Male
Icelandic
Icelandic equivalent of Anglo-Saxon Wigheard, VÃGHARÃUR means "hardy warrior."
Surname or Lastname
English
English : variant of Weatherby.
Boy/Male
Native American
Wise.
Boy/Male
Indian, Punjabi, Sikh
Change the World
Girl/Female
Australian, Italian
Lady; From the Respectful Title Donna
LAMBDA THETA-PHI
LAMBDA THETA-PHI
LAMBDA THETA-PHI
LAMBDA THETA-PHI
LAMBDA THETA-PHI
pl.
of Lamina
n.
The theca of mosses.
n.
The more or less cuplike calicle of a coral.
pl.
of Theca
n.
Any person who is as innocent or gentle as a lamb.
pl.
of Lamina
n.
A sheath; a case; as, the theca, or cell, of an anther; the theca, or spore case, of a fungus; the theca of the spinal cord.
v. i.
To bring forth a lamb or lambs, as sheep.
a.
Of or pertaining to a theca; as, a thecal abscess.
imp. & p. p.
of Lamb
n.
The point of junction of the sagittal and lambdoid sutures of the skull.
n.
A genus of plants found in China and Japan; the tea plant.
n.
The name of the Greek letter /, /, corresponding with the English letter L, l.
n.
The chitinous cup which protects the hydranths of certain hydroids.
n.
A letter of the Greek alphabet corresponding to th in English; -- sometimes called the unlucky letter, from being used by the judges on their ballots in passing condemnation on a prisoner, it being the first letter of the Greek qa`natos, death.
n.
A surface or organ bearing a theca, or covered with thecae.
n.
A sheath; a theca; as, the vagina of the portal vein.
n.
A viola da gamba.
n.
A thin plate or lamina.
n.
The wall forming a calicle of a coral.