Operator Algebras

Authors and titles for recent submissions

• Fri, 14 Nov 2025
• Thu, 13 Nov 2025
• Wed, 12 Nov 2025
• Tue, 11 Nov 2025
• Mon, 10 Nov 2025

See today's new changes

Fri, 14 Nov 2025 (showing 3 of 3 entries )

[1] arXiv:2511.09991 [pdf, html, other]

Title: Properly Outer Actions of Tensor Categories on C$^*$-algebras

Roberto Hernández Palomares, Miho Mukohara

Comments: 28 pages

Subjects: Operator Algebras (math.OA)

[2] arXiv:2511.10535 (cross-list from math.PR) [pdf, html, other]

Title: Eigenvalues of Brownian Motions on $\mathrm{GL}(N,\mathbb{C})$

Tatiana Brailovskaya, Nicholas A. Cook, Todd Kemp, Félix Parraud

Subjects: Probability (math.PR); Operator Algebras (math.OA)

[3] arXiv:2511.10080 (cross-list from math-ph) [pdf, html, other]

Title: The zipper condition for $4$-tensors in two-dimensional topological order and the higher relative commutants of a subfactor arising from a commuting square

Yasuyuki Kawahigashi

Subjects: Mathematical Physics (math-ph); Strongly Correlated Electrons (cond-mat.str-el); Operator Algebras (math.OA); Quantum Algebra (math.QA)

Thu, 13 Nov 2025 (showing 3 of 3 entries )

[4] arXiv:2511.09360 [pdf, html, other]

Title: Nets of real subspaces on homogeneous spaces and Algebraic Quantum Field Theory

Karl-Hermann Neeb

Comments: 168 pages; lecture notes

Subjects: Operator Algebras (math.OA); Mathematical Physics (math-ph); Representation Theory (math.RT)

[5] arXiv:2511.09189 [pdf, html, other]

Title: Algebraic topology of $C^*$-algebras

Petr Ivankov

Comments: 18 pages, 13 references

Subjects: Operator Algebras (math.OA); Algebraic Geometry (math.AG); Algebraic Topology (math.AT); Quantum Algebra (math.QA)

[6] arXiv:2511.09267 (cross-list from math.FA) [pdf, other]

Title: Fejér--Riesz factorization for positive noncommutative trigonometric polynomials

Igor Klep, Jacob Levenson, Scott McCullough

Subjects: Functional Analysis (math.FA); Operator Algebras (math.OA)

Wed, 12 Nov 2025 (showing 3 of 3 entries )

[7] arXiv:2511.07917 [pdf, html, other]

Title: Diagonal-preserving Isomorphisms of Algebras from Infinite Graphs

Søren Eilers, Efren Ruiz

Comments: Dedicated to Professor Gene Abrams on the occasions of his retirement and 70th birthday

Subjects: Operator Algebras (math.OA); Group Theory (math.GR); Rings and Algebras (math.RA)

[8] arXiv:2511.07906 [pdf, html, other]

Title: Twisted operator algebras of self-similar groupoid actions on arbitrary graphs

A. Mundey, B. K. Kwaśniewski

Comments: 89 pages. Comments, more than, welcome

Subjects: Operator Algebras (math.OA); Dynamical Systems (math.DS); Functional Analysis (math.FA)

[9] arXiv:2511.08382 (cross-list from math-ph) [pdf, html, other]

Title: Stacking and the triviality of invertible phases

Sven Bachmann, Alan Getz, Pieter Naaijkens, Naomi Wray

Comments: 40 pages

Subjects: Mathematical Physics (math-ph); Strongly Correlated Electrons (cond-mat.str-el); Operator Algebras (math.OA); Quantum Physics (quant-ph)

Tue, 11 Nov 2025 (showing 5 of 5 entries )

[10] arXiv:2511.06760 [pdf, html, other]

Title: On universal property of reciprocal Kirchberg algebras and uniquely ergodic automorphisms

Kengo Matsumoto, Taro Sogabe

Subjects: Operator Algebras (math.OA)

[11] arXiv:2511.06616 (cross-list from math.FA) [pdf, html, other]

Title: Sharp solution to Koplienko's conjecture on higher order spectral shift

Martijn Caspers, Jesse Reimann

Subjects: Functional Analysis (math.FA); Classical Analysis and ODEs (math.CA); Operator Algebras (math.OA)

[12] arXiv:2511.06487 (cross-list from math.FA) [pdf, html, other]

Title: Positive operator-valued noncommutative polynomials are squares

Abhay Jindal, Igor Klep, Scott McCullough

Comments: 22 pages

Subjects: Functional Analysis (math.FA); Operator Algebras (math.OA)

[13] arXiv:2511.06375 (cross-list from math.KT) [pdf, html, other]

Title: The relative index theorem and a characterization of Fredholm operators

Magnus Fries

Comments: 31 pages, 2 figures

Subjects: K-Theory and Homology (math.KT); Analysis of PDEs (math.AP); Functional Analysis (math.FA); Operator Algebras (math.OA); Spectral Theory (math.SP)

[14] arXiv:2511.06357 (cross-list from math.RA) [pdf, html, other]

Title: Explicit Baker--Campbell--Hausdorff Radii in Special Banach--Malcev Algebras of Shifts

Nassim Athmouni

Subjects: Rings and Algebras (math.RA); Mathematical Physics (math-ph); Differential Geometry (math.DG); Functional Analysis (math.FA); Operator Algebras (math.OA)

Mon, 10 Nov 2025 (showing 2 of 2 entries )

[15] arXiv:2511.04881 [pdf, html, other]

Title: Bimodule KMS Symmetric Quantum Markov Semigroups and Gradient Flows

Chunlan Jiang, Jincheng Wan, Jinsong Wu

Subjects: Operator Algebras (math.OA); Functional Analysis (math.FA)

[16] arXiv:2511.04822 [pdf, html, other]

Title: Property (T) group factors whose Jones index set equals all positive integers

Ionut Chifan, Junhwi Lim

Comments: 22 pages

Subjects: Operator Algebras (math.OA); Group Theory (math.GR)