Results 91 to 100 of about 1,357,130 (321)
Massless finite and infinite spin representations of Poincaré group in six dimensions
Physics Letters B, 2021 We study the massless irreducible representations of the Poincaré group in the six-dimensional Minkowski space. The Casimir operators are constructed and their eigenvalues are found.
I.L. Buchbinder +3 more
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Irreducible representations of normal spaces [PDF]
Proceedings of the American Mathematical Society, 1989 We define the notion of irreducible polyhedral representation of a normal space making use of approximate inverse systems. This generalizes the concept of irreducible polyhedral expansions introduced in 1937 by Freudenthal for metric compacta and generalized to uniform spaces by Isbell in 1961.
openaire +2 more sources
Drought and deluge—opportunities for climate‐change adaptation in US national parks
Frontiers in Ecology and the Environment, EarlyView.In a changing climate, resource management depends on anticipating changes and considering uncertainties. To facilitate effective decision making on public lands, we regionally summarized the magnitude and uncertainty of projected change in management‐relevant climate variables for 332 national park units across the contiguous US.
Meagan F Oldfather +8 more
wiley +1 more source
Quantum Analogs of Tensor Product Representations of su(1,1)
Symmetry, Integrability and Geometry: Methods and Applications, 2011 We study representations of U_q(su(1,1)) that can be considered as quantum analogs of tensor products of irreducible *-representations of the Lie algebra su(1,1).
Wolter Groenevelt
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On the Unitary Representations of the Braid Group B6
Mathematics, 2019 We consider a non-abelian leakage-free qudit system that consists of two qubits each composed of three anyons. For this system, we need to have a non-abelian four dimensional unitary representation of the braid group B 6 to obtain a totally ...
Malak M. Dally, Mohammad N. Abdulrahim
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On Endomorphism Universality of Sparse Graph Classes
Journal of Graph Theory, EarlyView.ABSTRACT We show that every commutative idempotent monoid (a.k.a. lattice) is the endomorphism monoid of a subcubic graph. This solves a problem of Babai and Pultr and the degree bound is best‐possible. On the other hand, we show that no class excluding a minor can have all commutative idempotent monoids among its endomorphism monoids. As a by‐product,
Kolja Knauer, Gil Puig i Surroca
wiley +1 more source
On Bipartite Biregular Large Graphs Derived From Difference Sets
Journal of Graph Theory, EarlyView.ABSTRACT A bipartite graph G = ( V , E ) $G=(V,E)$ with V = V 1 ∪ V 2 $V={V}_{1}\cup {V}_{2}$ is biregular if all the vertices of each stable set, V 1 ${V}_{1}$ and V 2 ${V}_{2}$, have the same degree, r $r$ and s $s$, respectively. This paper studies difference sets derived from both Abelian and non‐Abelian groups.
Gabriela Araujo‐Pardo +3 more
wiley +1 more source
On representation varie ties of some HNN-extensions of free groups
Журнал Белорусского государственного университета: Математика, информатика, 2019 In the article we provide the description of the structure and the properties of representation varieties Rn(G(p,q)) of the groups with the presentation G(p,q) = ‹x1,…, x2, t|t(x12…xg2)q›, where g ≥ 3, |p| > q ≥ 1.
Alexandra N. Admiralova +1 more
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Triangle or tripod? Neither: A diagrammatic investigation into a sign’s visual representation
Sign Systems StudiesThis paper takes a look at the morphological structure of the two dominant diagrams (the triangle and the tripod) used in semiotic literature to represent the irreducible triadic sign of C. S. Peirce in order to evaluate their diagrammatic aptitude, i.e.
Thierry Mortier
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A Stone-Weierstrass theorem for group representations
International Journal of Mathematics and Mathematical Sciences, 1978 It is well known that if G is a compact group and π a faithful (unitary) representation, then each irreducible representation of G occurs in the tensor product of some number of copies of π and its contragredient. We generalize this result to a separable
Joe Repka
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