Results 41 to 50 of about 13,820 (216)

On conjugacy of maximal abelian subalgebras and the outer automorphism group of the Cuntz algebra [PDF]

, 2015
We investigate the structure of the outer automorphism group of the Cuntz algebra and the closely related problem of conjugacy of maximal abelian subalgebras in On.
CONTI, ROBERTO, Jeong Hee Hong, Wojciech Szymanski   +2 more
core   +1 more source

Flux Landscape with enhanced symmetry not on SL(2, ℤ) elliptic points

Journal of High Energy Physics
We study structures of solutions for SUSY Minkowski F-term equations on two toroidal orientifolds with h 2,1 = 1. Following our previous study [1], with fixed upper bounds of a flux D3-brane charge N flux, we obtain a whole Landscape and a distribution ...
Keiya Ishiguro, Takafumi Kai, Tatsuo Kobayashi, Hajime Otsuka   +3 more
doaj   +1 more source

A Superalgebra Within: Representations of Lightest Standard Model Particles Form a Z25$\mathbb {Z}_2^5$‐Graded Algebra

Annalen der Physik, Volume 537, Issue 12, December 2025.
 A set of particle representations, familiar from the Standard Model, collectively form a superalgebra. Those representations mirroring the behaviour of the Standard Model's gauge bosons, and three generations of fermions, are each included in this algebra, with exception only to those representations involving the top quark.
N. Furey
wiley   +1 more source

Hom ω$\omega$‐categories of a computad are free

Journal of the London Mathematical Society, Volume 112, Issue 6, December 2025.
Abstract We provide a new description of the hom functor on weak ω$\omega$‐categories, and show that it admits a left adjoint that we call the suspension functor. We then show that the hom functor preserves the property of being free on a computad, in contrast to the hom functor for strict ω$\omega$‐categories.
Thibaut Benjamin, Ioannis Markakis
wiley   +1 more source

Countable groups are mapping class groups of hyperbolic 3-manifolds

, 2005
We prove that for every countable group G there exists a hyperbolic 3-manifold M such that the isometry group of M, the mapping class group of M, and the outer automorphism group of the fundamental group of M are isomorphic to G.Comment: 15 pages, 6 ...
Frigerio, Roberto, Martelli, Bruno
core   +2 more sources

Investigating 9d/8d non-supersymmetric branes and theories from supersymmetric heterotic strings

Journal of High Energy Physics
We consider heterotic string theories in nine and eight dimensions. We identify the disconnected part of the spacetime gauge group by studying the outer automorphism of the charge lattices.
Yuta Hamada, Arata Ishige
doaj   +1 more source

Conformal optimization of eigenvalues on surfaces with symmetries

Journal of the London Mathematical Society, Volume 112, Issue 6, December 2025.
Abstract Given a conformal action of a discrete group on a Riemann surface, we study the maximization of Laplace and Steklov eigenvalues within a conformal class, considering metrics invariant under the group action. We establish natural conditions for the existence and regularity of maximizers. Our method simplifies the previously known techniques for
Denis Vinokurov
wiley   +1 more source

On a Dimension Formula for Twisted Spherical Conjugacy Classes in Semisimple Algebraic Groups [PDF]

, 2010
Let $G$ be a connected semisimple algebraic group over an algebraically closed field of characteristic zero, and let $\th$ be an automorphism of $G$. We give a characterization of $\th$-twisted spherical conjugacy classes in $G$ by a formula for their ...
Lu, Jiang-Hua
core  

The m$m$‐step solvable anabelian geometry of mixed‐characteristic local fields

Journal of the London Mathematical Society, Volume 112, Issue 6, December 2025.
Abstract Let K$K$ be a mixed‐characteristic local field. For an integer m⩾0$m \geqslant 0$, we denote by Km/K$K^m / K$ the maximal m$m$‐step solvable extension of K$K$, and by GKm$G_K^m$ the maximal m$m$‐step solvable quotient of the absolute Galois group GK$G_K$ of K$K$.
Seung‐Hyeon Hyeon
wiley   +1 more source

Dimension invariants of outer automorphism groups [PDF]

Groups, Geometry, and Dynamics, 2017
The geometric dimension for proper actions \underline{\mathrm{gd}}(G) of a group G is the minimal dimension of a classifying space for proper actions \underline{E}G .
Degrijse, Dieter, Souto, Juan
openaire   +3 more sources