Rings and Algebras

Authors and titles for math.RA in Mar 2024, skipping first 100

[101]  arXiv:2403.14595 (cross-list from math.RT) [pdf, ps, other]

Title: Mutation of signed valued quivers and presentations of simple complex Lie algebras

Authors: Joseph Grant, Davide Morigi

Comments: Small changes, improved abstract

Subjects: Representation Theory (math.RT); Rings and Algebras (math.RA)

[102]  arXiv:2403.14632 (cross-list from math.NT) [pdf, ps, other]

Title: Hyperbolic Jacobsthal Spinor Sequences and Their Mathematical Properties

Authors: Selime Beyza Özçevik, Abdullah Dertli

Subjects: Number Theory (math.NT); Rings and Algebras (math.RA)

[103]  arXiv:2403.14975 (cross-list from math.QA) [pdf, ps, other]

Title: Classification of right nilpotent $\mathbb{F}_p$-braces of cardinality $p^5$

Authors: Snehashis Mukherjee

Comments: 28 pages. Comments are welcomed

Subjects: Quantum Algebra (math.QA); Group Theory (math.GR); Rings and Algebras (math.RA)

[104]  arXiv:2403.14991 (cross-list from math.AG) [pdf, ps, other]

Title: Key varieties for prime $\mathbb{Q}$-Fano threefolds defined by Jordan algebras of cubic forms. Part I

Authors: Hiromichi Takagi

Comments: a few minor changes

Subjects: Algebraic Geometry (math.AG); Rings and Algebras (math.RA)

[105]  arXiv:2403.15096 (cross-list from math.QA) [pdf, ps, other]

Title: Quantum group deformations and quantum $ R $-(co)matrices vs. Quantum Duality Principle

Authors: Gastón Andrés García, Fabio Gavarini

Comments: 72 pages. In this submission, several misprints have been fixed. This is a long, fully detailed version of the work: the version submitted for publication is shorter (58 pages)

Subjects: Quantum Algebra (math.QA); Rings and Algebras (math.RA)

[106]  arXiv:2403.15190 (cross-list from math.RT) [pdf, other]

Title: A geometric realization of Koszul duality for graded gentle algebras

Authors: Zixu Li, Yu Qiu, Yu Zhou

Comments: 29 pages, 17 figures. Any comments are welcome

Subjects: Representation Theory (math.RT); Category Theory (math.CT); Rings and Algebras (math.RA)

[107]  arXiv:2403.15968 (cross-list from math.RT) [pdf, ps, other]

Title: Symplectic differential reduction algebras and skew-affine generalized Weyl algebras

Authors: Jonas T. Hartwig, Dwight Anderson Williams II

Comments: 30 pages. Comments welcomed!

Subjects: Representation Theory (math.RT); Quantum Algebra (math.QA); Rings and Algebras (math.RA)

[108]  arXiv:2403.15991 (cross-list from math.AG) [pdf, ps, other]

Title: Key varieties for prime $\mathbb{Q}$-Fano threefolds defined by Jordan algebras of cubic forms. Part II

Authors: Hiromichi Takagi

Comments: a few minor changes

Subjects: Algebraic Geometry (math.AG); Rings and Algebras (math.RA)

[109]  arXiv:2403.16896 (cross-list from math.NA) [pdf, ps, other]

Title: Inverting the sum of two singular matrices

Authors: Sofia Eriksson, Jonas Nordqvist

Subjects: Numerical Analysis (math.NA); Rings and Algebras (math.RA)

[110]  arXiv:2403.17066 (cross-list from math.PR) [pdf, ps, other]

Title: Chain rule symmetry for singular SPDEs

Authors: Yvain Bruned, Vladimir Dotsenko

Comments: 42 pages

Subjects: Probability (math.PR); Analysis of PDEs (math.AP); K-Theory and Homology (math.KT); Rings and Algebras (math.RA)

[111]  arXiv:2403.18450 (cross-list from math.AT) [pdf, other]

Title: Loop homology of moment-angle complexes in the flag case

Authors: Fedor Vylegzhanin

Comments: 32 pages, comments are welcome! v.2: minor changes, updated to mention results of arXiv:1907.04782

Subjects: Algebraic Topology (math.AT); Combinatorics (math.CO); K-Theory and Homology (math.KT); Rings and Algebras (math.RA)

[112]  arXiv:2403.18465 (cross-list from math.RT) [pdf, ps, other]

Title: Posets of finite GK-dimensional graded pre-Nichols algebras of diagonal type

Authors: Iván Angiono, Emiliano Campagnolo

Comments: 23 pages

Subjects: Representation Theory (math.RT); Quantum Algebra (math.QA); Rings and Algebras (math.RA)

[113]  arXiv:2403.18653 (cross-list from math.QA) [pdf, other]

Title: Indecomposable involutive set-theoretical solutions to the Yang-Baxter equation of size $p^2$

Authors: Carsten Dietzel, Silvia Properzi, Senne Trappeniers

Comments: 20 Pages, Comments Welcome!

Subjects: Quantum Algebra (math.QA); Group Theory (math.GR); Rings and Algebras (math.RA)

[114]  arXiv:2403.19058 (cross-list from math.AG) [pdf, ps, other]

Title: Quotients in super-symmetry: formal supergroup case

Authors: Yuta Takahashi, Akira Masuoka

Comments: 21 pages; to appear in Comm. Algebra

Subjects: Algebraic Geometry (math.AG); Rings and Algebras (math.RA)

[115]  arXiv:2403.19282 (cross-list from math.AC) [pdf, ps, other]

Title: Cohen-Macaulay representations of invariant subrings

Authors: Ryu Tomonaga

Comments: 40 pages

Subjects: Commutative Algebra (math.AC); Rings and Algebras (math.RA); Representation Theory (math.RT)

[116]  arXiv:2403.11545 (cross-list from cs.SC) [pdf, other]

Title: First-order factors of linear Mahler operators

Authors: Frédéric Chyzak (MATHEXP), Thomas Dreyfus (IMB), Philippe Dumas (MATHEXP), Marc Mezzarobba (LIX)

Comments: Dedicated to the memory of Marko Petkov\v{s}ek

Subjects: Symbolic Computation (cs.SC); Number Theory (math.NT); Rings and Algebras (math.RA)