Topological exchange statistics in one dimension

NL Harshman, AC Knapp - Physical Review A, 2022 - APS
The standard topological approach to indistinguishable particles formulates exchange
statistics by using the fundamental group to analyze the connectedness of the configuration …

Linear motion planning with controlled collisions and pure planar braids

J González, JL León-Medina, C Roque - arXiv preprint arXiv:1902.06190, 2019 - arxiv.org
We compute the Lusternik-Schnirelmann category (LS-cat) and the higher topological
complexity ($ TC_s $, $ s\geq2 $) of the" no-$ k $-equal" configuration space Conf $ _k …

Virtual and universal braid groups, their quotients and representations

V Bardakov, I Emel'yanenkov, M Ivanov… - Journal of Group …, 2022 - degruyter.com
In the present paper, we study structural aspects of certain quotients of braid groups and
virtual braid groups. In particular, we construct and study linear representations B n→ GL …

Planar pure braids on six strands

J Mostovoy, C Roque-Márquez - Journal of Knot Theory and Its …, 2020 - World Scientific
The group of planar (or flat) pure braids on n strands, also known as the pure twin group, is
the fundamental group of the configuration space F n, 3 (ℝ) of n labeled points in ℝ no three …

Congruence subgroups and crystallographic quotients of small Coxeter groups

P Kumar, TK Naik, M Singh - Forum Mathematicum, 2024 - degruyter.com
Small Coxeter groups are precisely the ones for which the Tits representation is integral,
which makes the study of their congruence subgroups relevant. The symmetric group S n …

Conjugacy classes and automorphisms of twin groups

TK Naik, N Nanda, M Singh - Forum Mathematicum, 2020 - degruyter.com
The twin group T n is a right-angled Coxeter group generated by n-1 involutions, and the
pure twin group PT n is the kernel of the natural surjection from T n onto the symmetric group …

Topologically nontrivial three-body contact interaction in one dimension

S Ohya - Progress of Theoretical and Experimental Physics, 2024 - academic.oup.com
It is known that three-body contact interactions in one-dimensional (1D) n (≥ 3)-body
problems of nonidentical particles can be topologically nontrivial: they are all classified by …

Cactus groups, twin groups, and right-angled Artin groups

P Bellingeri, H Chemin, V Lebed - Journal of Algebraic Combinatorics, 2024 - Springer
Cactus groups J n are currently attracting considerable interest from diverse mathematical
communities. This work explores their relations to right-angled Coxeter groups and, in …

Virtual braid groups, virtual twin groups and crystallographic groups

PCCDS Júnior, O Ocampo - Journal of Algebra, 2023 - Elsevier
Abstract Let n≥ 2. Let VB n (resp. VP n) be the virtual braid group (resp. the pure virtual
braid group), and let VT n (resp. PVT n) be the virtual twin group (resp. the pure virtual twin …

Beyond braid statistics: Constructing a lattice model for anyons with exchange statistics intrinsic to one dimension

S Nagies, B Wang, AC Knapp, A Eckardt… - SciPost Physics, 2024 - scipost.org
Anyons obeying fractional exchange statistics arise naturally in two dimensions: Hard-core
two-body constraints make the configuration space of particles not simply-connected. The …