• Thumbnail for SL2(R)
    linear group SL(2, R) or SL2(R) is the group of 2 × 2 real matrices with determinant one: SL ( 2 , R ) = { ( a b c d ) : a , b , c , d ∈ R  and  a d − b c...
    21 KB (2,988 words) - 09:27, 13 June 2025
  • R). The Casimir element acts on any irreducible representation as multiplication by some complex scalar μ2. Thus in the case of the Lie algebra sl2,...
    14 KB (1,827 words) - 22:29, 27 March 2024
  • the expansions of Hauptmoduln. In other words, if Gg is the subgroup of SL2(R) which fixes Tg, then the quotient of the upper half of the complex plane...
    34 KB (4,523 words) - 04:28, 12 March 2025
  • construct the metaplectic cover of SL2(R). The elements of the metaplectic group Mp2(R) are the pairs (g, ε), where g ∈ SL 2 ⁡ ( R ) {\displaystyle g\in \operatorname...
    10 KB (1,407 words) - 22:32, 20 February 2025
  • Thumbnail for Eccentricity (mathematics)
    Classification of elements of SL2(R) as elliptic, parabolic, and hyperbolic – and similarly for classification of elements of PSL2(R), the real Möbius transformations...
    11 KB (1,373 words) - 05:16, 22 March 2025
  • reductive Lie groups this has been solved; see representation theory of SL2(R) and representation theory of the Lorentz group for examples. Warner (1972)...
    7 KB (1,003 words) - 14:58, 15 March 2025
  • Table of Lie groups for a list General linear group, special linear group SL2(R) SL2(C) Unitary group, special unitary group SU(2) SU(3) Orthogonal group,...
    4 KB (361 words) - 23:20, 25 June 2025
  • Thumbnail for General linear group
    contractible – see Kuiper's theorem. List of finite simple groups SL2(R) Representation theory of SL2(R) Representations of classical Lie groups Here rings are...
    24 KB (3,929 words) - 19:07, 8 May 2025
  • Thumbnail for Whittaker function
    essentially the case where the local field is the real numbers and the group is SL2(R). Whittaker's equation is d 2 w d z 2 + ( − 1 4 + κ z + 1 / 4 − μ 2 z 2...
    9 KB (1,064 words) - 23:51, 23 May 2025
  • canonical transformation, a map that preserves the symplectic structure, as SL2(R) can also be interpreted as the symplectic group Sp2, and thus LCTs are...
    19 KB (2,884 words) - 04:13, 24 February 2025
  • Thumbnail for Leicaflex
    Leicaflex (redirect from Leicaflex SL2)
    the new R bayonet series of lenses. Three model of the cameras were sold by Leitz; the Leicaflex Standard, the Leicaflex SL and the Leicaflex SL2. Late...
    11 KB (1,325 words) - 01:18, 9 February 2023
  • Thumbnail for Algebraic group
    can be obtained via this procedure; for example, the universal cover of SL2(R), or the quotient of the Heisenberg group by an infinite normal discrete...
    16 KB (2,244 words) - 15:28, 15 May 2025
  • Thumbnail for Serge Lang
    mathematics" (PDF). Gazette des mathématiciens (63): 17–36. Langlands, R. P. (1976). "SL2(R), by Serge Lang" (PDF). Bull. Amer. Math. Soc. 82 (5): 688–691. doi:10...
    34 KB (3,702 words) - 18:31, 3 June 2025
  • 4064/fm-13-1-73-116. Laczkovich, Miklós (1999). "Paradoxical sets under SL2(R)". Ann. Univ. Sci. Budapest. Eötvös Sect. Math. 42: 141–145. Satô, Kenzi...
    49 KB (6,938 words) - 10:18, 15 June 2025
  • Thumbnail for Modular group
    Modular group (redirect from SL2(Z))
    sitting as lattices inside the (topological) universal covering group SL2(R) → PSL2(R). Further, the modular group has a trivial center, and thus the modular...
    25 KB (3,438 words) - 07:09, 25 May 2025
  • becomes clear already in the case of the group SL2(R). The principal series representations of SL2(R) are tempered and account for the spectral decomposition...
    11 KB (1,430 words) - 18:45, 26 January 2024
  • \omega )} θ ∈ R / 2 π Z {\displaystyle \theta \in \mathbb {R} /2\pi \mathbb {Z} } (or θ ∈ R / π Z {\displaystyle \theta \in \mathbb {R} /\pi \mathbb {Z}...
    27 KB (4,595 words) - 14:47, 24 June 2025
  • fundamental group that has a Thurston geometry modeled on the universal cover of SL2(R). The Rokhlin invariant is a Z / 2 Z {\displaystyle \mathbb {Z} /2\mathbb...
    11 KB (1,529 words) - 07:54, 7 February 2025
  • Thumbnail for Lattice (group)
    condition is not necessary, as is shown by the case of the modular group in SL2(R), which is a lattice but where the quotient isn't compact (it has cusps)...
    17 KB (2,289 words) - 08:20, 26 June 2025
  • Thumbnail for Conic section
    transformations Real Möbius transformations (elements of PSL2(R) or its 2-fold cover, SL2(R)) are classified as elliptic, parabolic, or hyperbolic accordingly...
    69 KB (9,174 words) - 17:05, 5 June 2025
  • Thumbnail for Group extension
    metaplectic groups, which double cover the symplectic groups. The case of SL2(R) involves a fundamental group that is infinite cyclic. Here the central...
    14 KB (1,987 words) - 02:16, 11 May 2025
  • Thumbnail for Leica R bayonet
    communicates aperture setting to the camera. They can be used on later SL / SL2 and R-series cameras in stop-down metering mode only. Leica do not recommend...
    11 KB (879 words) - 08:16, 21 July 2024
  • to highest weight vectors of certain discrete series representations of SL2(R), while almost holomorphic or quasimodular forms correspond roughly to other...
    4 KB (669 words) - 13:28, 4 September 2020
  • Thumbnail for Basel problem
    Tamagawa numbers. The conjecture asserts for the case of the algebraic group SL2(R) that the Tamagawa number of the group is one. That is, the quotient of...
    44 KB (8,669 words) - 22:13, 22 June 2025
  • Thumbnail for Spinor
    the line bundle is the Möbius bundle, and the spin group is SL2( R {\displaystyle \mathbb {R} } ). In Euclidean signature, the projective plane, conic and...
    72 KB (9,924 words) - 15:56, 26 May 2025
  • Thumbnail for Fourier transform
    transformations, which can be visualized as the action of the special linear group SL2(R) on the time–frequency plane, with the preserved symplectic form corresponding...
    177 KB (21,313 words) - 02:31, 2 June 2025
  • Thumbnail for Armand Borel
    ISBN 978-0-12-117740-9, MR 0882000 Borel, Armand (1997), Automorphic forms on SL2(R), Cambridge Tracts in Mathematics, vol. 130, Cambridge University Press...
    14 KB (1,212 words) - 05:43, 25 May 2025
  • representations are not complementary. For examples see the representation theory of SL2(R). Elias M. Stein (1972) constructed some families of them for higher rank...
    1 KB (174 words) - 01:44, 13 November 2024
  • He pioneered understanding of the irreducible unitary representations of SL2(R) and the Lorentz group (1947). He further formulated the Bargmann–Wigner...
    11 KB (1,026 words) - 10:32, 16 December 2024
  • theory of SO(3) Connection between SO(3) and SU(2) representation theory of SL2(R) Electroweak interaction Rotation group SO(3) § A note on Lie algebras Hall...
    19 KB (3,369 words) - 19:06, 2 December 2024