Complexity and asymptotics of structure constants

G Panova - arxiv preprint arxiv:2305.02553, 2023 - arxiv.org
Kostka, Littlewood-Richardson, Kronecker, and plethysm coefficients are fundamental
quantities in algebraic combinatorics, yet many natural questions about them stay …

Computational complexity in algebraic combinatorics

G Panova - arxiv preprint arxiv:2306.17511, 2023 - arxiv.org
Algebraic Combinatorics originated in Algebra and Representation Theory, studying their
discrete objects and integral quantities via combinatorial methods which have since …

Bounds on Kronecker coefficients via contingency tables

I Pak, G Panova - Linear Algebra and its Applications, 2020 - Elsevier
We present both upper and lower bounds for the Kronecker coefficients and the reduced
Kronecker coefficients, in term of the number of certain contingency tables. Various …

Independent sets of a given size and structure in the hypercube

M Jenssen, W Perkins, A Potukuchi - Combinatorics, Probability and …, 2022 - cambridge.org
We determine the asymptotics of the number of independent sets of size in the discrete
hypercube for any fixed as, extending a result of Galvin for. Moreover, we prove a …

Matrix models for classical groups and Toeplitz±Hankel minors with applications to Chern–Simons theory and fermionic models

D García-García, M Tierz - Journal of Physics A: Mathematical …, 2020 - iopscience.iop.org
We study matrix integration over the classical Lie groups U (N), Sp (2N), SO (2N) and SO
(2N+ 1), using symmetric function theory and the equivalent formulation in terms of …

Durfee squares, symmetric partitions and bounds on Kronecker coefficients

I Pak, G Panova - Journal of Algebra, 2023 - Elsevier
We resolve two open problems on Kronecker coefficients g (λ, μ, ν) of the symmetric group.
First, we prove that for partitions λ, μ, ν with fixed Durfee square size, the Kronecker …

Non-Abelian phases from the condensation of Abelian anyons

M Yutushui, M Hermanns, DF Mross - arxiv preprint arxiv:2502.12245, 2025 - arxiv.org
The observed fractional quantum Hall (FQH) plateaus follow a recurring hierarchical
structure that allows an understanding of complex states based on simpler ones …

Maximum entropy and integer partitions

G McKinley, M Michelen, W Perkins - arxiv preprint arxiv:2012.14498, 2020 - arxiv.org
We derive asymptotic formulas for the number of integer partitions with given sums of $ j $ th
powers of the parts for $ j $ belonging to a finite, non-empty set $ J\subset\mathbb N $. The …

Query complexity of inversion minimization on trees

I Hu, D van Melkebeek, A Morgan - Proceedings of the 2023 Annual ACM …, 2023 - SIAM
We consider the following computational problem: Given a rooted tree and a ranking of its
leaves, what is the minimum number of inversions of the leaves that can be attained by …

Kleinian singularities: some geometry, combinatorics and representation theory

L Bertsch, Á Gyenge, B Szendrői - Jahresbericht der Deutschen …, 2024 - Springer
We review the relationship between discrete groups of symmetries of Euclidean three-
space, constructions in algebraic geometry around Kleinian singularities including versions …