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We give explicit index-free formulae for all the degree six (and also degree four and two) algebraically independent local unitary invariant polynomials for finite dimensional k-partite pure and mixed quantum states. We carry out this by…

Quantum Physics · Physics 2015-03-19 Szilárd Szalay

We give a general method to build categories of combinatorial manifolds, i.e. categories of combinatorial objects satisfying some local property at every "point", as coreflective subcategories of categories of relational presheaves. To do…

Category Theory · Mathematics 2026-05-21 Yorgo Chamoun

We classify all possible local linear procedures over triangular meshes resulting in polynomial $C^1$-spline functions with affinely uniform shape for the basic functions at the edges, and fitting the 9 value- and gradient data at the…

Numerical Analysis · Mathematics 2019-03-28 Laszlo Stachó

We consider Dolbeault-Dirac operators on quantized irreducible flag manifolds as defined by Kr\"ahmer and Tucker-Simmons. We show that, in general, these operators do not satisfy a formula of Parthasarathy-type. This is a consequence of two…

Quantum Algebra · Mathematics 2018-01-16 Marco Matassa

We give a Clifford correspondence for an algebra A over an algebraically closed field, that is an algorithm for constructing some finite-dimensional simple A-modules from simple modules for a subalgebra and endomorphism algebras. This…

Rings and Algebras · Mathematics 2007-05-23 Sarah J. Witherspoon

We give natural descriptions of the homology and cohomology algebras of regular quotient ring spectra of even E-infinity ring spectra. We show that the homology is a Clifford algebra with respect to a certain bilinear form naturally…

Algebraic Topology · Mathematics 2011-01-24 Alain Jeanneret , Samuel Wuethrich

Kobayashi [Duke Math. J. (1992)] gave a necessary condition for the existence of compact Clifford-Klein forms in terms of Cartan projections and non-compact dimensions of reductive subgroups. We extend his method to non-reductive subgroups,…

Differential Geometry · Mathematics 2022-06-13 Yosuke Morita

The zeta-function of a manifold is closely related to, and sometimes can be calculated completely, in terms of its periods. We report here on a practical and computationally rapid implementation of this procedure for families of Calabi-Yau…

High Energy Physics - Theory · Physics 2021-04-19 Philip Candelas , Xenia de la Ossa , Duco van Straten

This work completes the construction of purely algebraic version of the theory of non-linear quantum chemistry methods. It is shown that at the heart of these methods there lie certain algebras close in their definition to the well-known…

Chemical Physics · Physics 2010-07-16 Andrej I. Panin

A homogeneous space G/H is said to have a compact Clifford-Klein form if there exists a discrete subgroup D of G that acts properly discontinuously on G/H, such that the quotient space D\G/H is compact. When n is even, we find every closed,…

Representation Theory · Mathematics 2007-05-23 Hee Oh , Dave Witte

The algebraic and geometric properties of a novel generalization of Clifford's classical C4 point-circle configuration are analysed. A connection with the integrable quaternionic discrete Schwarzian Kadomtsev-Petviashvili equation is…

Exactly Solvable and Integrable Systems · Physics 2009-11-13 W. K. Schief , B. G. Konopelchenko

In this paper we develop algorithms of finding homogeneous spaces of semisimple non-compact Lie groups which do not admit compact Clifford-Klein forms. We propose a computer program which checks if the given homogeneous space has a…

Representation Theory · Mathematics 2019-09-23 Maciej Bocheński , Piotr Jastrzębski , Anna Szczepkowska , Aleksy Tralle , Artur Woike

In this paper, we study a specific system of Clifford-Appell polynomials and in particular their product. Moreover, we introduce a new family of quaternionic reproducing kernel Hilbert spaces in the framework of Fueter regular functions.…

Complex Variables · Mathematics 2021-03-08 Daniel Alpay , Kamal Diki , Irene Sabadini

A quantum cellular automaton (QCA) or a causal unitary is by definition an automorphism of local operator algebra, by which local operators are mapped to local operators. Quantum circuits of small depth, local Hamiltonian evolutions for…

Mathematical Physics · Physics 2025-04-21 Jeongwan Haah

We derive new algebraic equations for the folding angle relationships in completely general degree-four rigid-foldable origami vertices, including both Euclidean (developable) and non-Euclidean cases. These equations in turn lead to novel,…

Soft Condensed Matter · Physics 2022-11-08 Riccardo Foschi , Thomas C. Hull , Jason S. Ku

Quaternions were appeared through Lagrangian formulation of mechanics in Symplectic vector space. Its general form was obtained from the Clifford algebra, and Frobenius' theorem, which says that "the only finite-dimensional real division…

General Physics · Physics 2021-06-04 Sadataka Furui

As shown by McMullen in 1983, the coefficients of the Ehrhart polynomial of a lattice polytope can be written as a weighted sum of facial volumes. The weights in such a local formula depend only on the outer normal cones of faces, but are…

Metric Geometry · Mathematics 2025-10-01 Maren H. Ring , Achill Schürmann

This is an addition to a series of papers [FL1, FL2, FL3, FL4], where we develop quaternionic analysis from the point of view of representation theory of the conformal Lie group and its Lie algebra. In this paper we develop split…

Representation Theory · Mathematics 2015-06-23 Matvei Libine

Based on the representation of a set of canonical operators on the lattice $h\mathbb{Z}^n$, which are Clifford-vector-valued, we will introduce new families of special functions of hypercomplex variable possessing $\mathfrak{su}(1,1)$…

Complex Variables · Mathematics 2013-11-06 Nelson Faustino

We construct the so-called theta vectors on noncommutative T^4, which correspond to the theta functions on commutative tori with complex structures. Following the method of Dieng and Schwarz, we first construct holomorphic connections and…

High Energy Physics - Theory · Physics 2009-11-10 Hoil Kim , Chang-Yeong Lee