In mathematics and theoretical physics, Wigner's classification is a classification of the nonnegative   (   E ≥ 0   )   {\displaystyle ~(~E\geq 0~)~}...

Wigner's greatest teacher. Polanyi supervised Wigner's DSc thesis, Bildung und Zerfall von Molekülen ("Formation and Decay of Molecules"). Wigner returned...

unitary. For a discussion of such unitary representations, see Wigner's classification. In quantum mechanics, the state of the system is determined by...

integer) and are associated with particles in quantum mechanics (see Wigner's classification). In accordance with the Erlangen program, the geometry of Minkowski...

general relativity Segre classification – Algebraic classification of rank two symmetric tensors Wigner's classification – Classification of irreducible representations...

object (specifically a baseball) exhibiting an analogous phenomenon Wigner's classification Pauli–Lubanski pseudovector Landau, L.D.; Lifshitz, E.M. (2013)...

Eugene Wigner in 1939. Historically, a compatible theory that could describe this elementary particle was unknown; however, 75 years after Wigner's classification...

application of fundamental symmetry principles"; see also Wigner's theorem, Wigner's classification. Hall 2015 Section 4.7 Hall 2013 Theorem 16.47 Bargmann...

general results called Mackey theory, which is a generalization of Wigner's classification methods. Representation theory also depends heavily on the type...

detector Particle physics Particle physics and representation theory Wigner's classification Particle segregation Self-propelled particle List of particles...

rise to projective representations of the Poincaré group, as in Wigner's classification. Passing to the cover is essential, in order to include the fractional...

theory Ward–Takahashi identity Wheeler–Feynman absorber theory Wigner's classification Wigner's theorem Peskin, M.; Schroeder, D. (1995). An Introduction to...

the photon, for reasons beyond the scope of this article. See Wigner's classification.) The space of spin states therefore is a discrete degree of freedom...

understood as giving a classification of the irreducible unitary representations of the Heisenberg group. Wigner's classification for representations of...

conserved current, in Noether's original language); and also, Wigner's classification, which says that the symmetries of the laws of physics determine...

Mackey theory, which is a generalization of the methods used in Wigner's classification of representations of the Poincaré group. A Lie algebra over a...

given of the existence of mass and spin (normally explained in Wigner's classification of relativistic mechanics) in terms of the representation theory...

Wigner. This is to take advantage of the successful description of relativistic particles by E. P. Wigner in his famous paper of 1939; see Wigner's classification...

matrices Gell-Mann matrices Poisson bracket Noether's theorem Wigner's classification Gauge theory Grand unification theory Supergroup Lie superalgebra...

in terms of the representation theory of the groups above. See Wigner's classification. These groups all appear in the theory of the Standard model. For...

their sides. This classification of the 24 types of voronoi polyhedra for Bravais lattices was first laid out by Boris Delaunay. The Wigner–Seitz cell around...

quasi-probability distribution Wigner's friend Wigner's theorem Wigner crystal Wigner D-matrix Wigner effect Wigner energy Wigner lattice Wigner poisoning, Xe-135...

Dirac sea Spin foam Poincaré group gamma matrices Dirac adjoint Wigner's classification anyon Copenhagen interpretation locality principle Bell's theorem...

Wigner's theorem, proved by Eugene Wigner in 1931, is a cornerstone of the mathematical formulation of quantum mechanics. The theorem specifies how physical...

At first sight, this might appear to be in contradiction with Wigner's classification, which implies that the whole one-particle Hilbert space lies in...

(representation theory) Cartan's theorem Spinor Wigner's classification, Representation theory of the Poincaré group Wigner–Eckart theorem Stone–von Neumann theorem...

representations. Dirac suggested the topic of Wigner (1939) as early as 1928 (as acknowledged in Wigner's paper). He also published one of the first papers...

right-helicity anti-neutrinos each must have non-zero mass. Wigner's classification – Classification of irreducible representations of the Poincaré group Angular...

Wigner's classification Wigner's friend Wigner's theorem Wigner 3-j symbols Wigner crystal Wigner effect Wigner quasiprobability distribution Wigner–Eckart...

analysis techniques and their applications" (CRC Press, 2023). "Wigner-Specific Research". Wigner Initiative. Retrieved 27 January 2025. "Neural Dynamics of...