ON IRREDUCIBLE PROJECTIVE REPRESENTATIONS OF ...

The Projective unitary irreducible representations of the Galilei ...

The Projective unitary irreducible representations of the Galilei group in (1+2)-dimensions ; Published in: J.Math.Phys. 37 (1996) 460-473 ; e-Print: hep-th/ ...

SCIENCE IN CHINA (Series A) - SciEngine

... irreducible projective representation of G, then the above Z × Y is an irreducible representation of G, which is equivalent to some representation in Irr¡ ...

Irreducible representation - Wikipedia

Irreducible representations are always indecomposable (ie cannot be decomposed further into a direct sum of representations), but the converse may not hold.

projective representation - nForum

Tania-Luminiţa Costache, On irreducible projective representations of finite groups, Surveys in Mathematics and its Applications 4 (2009), 191-214 (ISSN:1842- ...

Projective representations of symmetric groups via Sergeev duality

In this article, we determine the irreducible projective representations of the symmetric group Sd and the alternating group Ad over an algebraically closed ...

Review of Projective Representations of Finite Groups

on linearizable irreducible projective representations of finite groups

Let G be a finite group and K an arbitrary field. Yamazaki ([4], Theorem. 1) proved that there exists a finite central group extension of G by which all.

Irreducible projective representations and their physical applications

Irreducible projective representations and their physical applications · List of references · Publications that cite this publication.

groups with faithful irreducible projective unitary representations - HAL

the canonical projection. Let Γ be a group. A projective unitary representation, or shortly here a projective representation, of Γ in H is a mapping.

A Frobenius-Schur Extension for Real Projective Representation

Therefore, if we apply the Frobenius-Schur indicator ν2 to irreducible representations, we can completely determine the representation theory of finite groups ...

Why every projective irreducible representation of (ISO(2,1)↑=SO(2 ...

Projective representations of a Lie group are in bijection to linear representations of its central extensions.

On Projective Representations of Finite Wreath Products

factor sets of these two classes of groups. This correspondence is used to determine the number and degrees of the inequivalent, irreducible projective ...

Small-dimensional projective representations of symmetric and ...

We classify the irreducible projective representations of symmetric and alternating groups of minimal possible and second minimal possible dimensions, and ...

Projective representations of extra-special p-groups

If G = P has a faithful C-irreducible projective representation, then by (1.3) the group iPiP, C*) contains an element of order greater or equal to p. On ...

Irreducible Projective Representations and Their Physical Applications

An eigenfunction method is applied to reduce the regular projective representations (Reps) of finite groups to obtain their irreducible ...

Phase Retrievable Projective Representation Frames for Finite ...

Characterize or construct all such frame vectors. For irreducible projective unitary representations we make the following conjecture: Conjecture Every ...

Projective representation - Encyclopedia of Mathematics

The most important examples of projective representations are: the spinor representation of an orthogonal group and the Weyl representation of a ...

On Projective Representations of Certain Finite Groups - jstor

Not all the irreducible representations obtained by Chevalley, however, yield irreducible projective repre- sentations upon restriction to the subgroup Go. For ...

Projective representations for energy band calculations

For symmetry considerations in energy band calculations one needs to compute the irreducible representations of the group of the wave vector.