Topological recursion for Kadomtsev–Petviashvili tau functions of hypergeometric type

B Bychkov, P Dunin‐Barkowski… - Journal of the …, 2024 - Wiley Online Library
We study the nn‐point differentials corresponding to Kadomtsev–Petviashvili (KP) tau
functions of hypergeometric type (also known as Orlov–Scherbin partition functions), with an …

Double Hurwitz numbers: polynomiality, topological recursion and intersection theory

G Borot, N Do, M Karev, D Lewański… - Mathematische …, 2023 - Springer
Double Hurwitz numbers enumerate branched covers of CP 1 with prescribed ramification
over two points and simple ramification elsewhere. In contrast to the single case, their …

A new spin on Hurwitz theory and ELSV via theta characteristics

A Giacchetto, R Kramer, D Lewański - arXiv preprint arXiv:2104.05697, 2021 - arxiv.org
We study spin Hurwitz numbers, which count ramified covers of the Riemann sphere with a
sign coming from a theta characteristic. These numbers are known to be related to Gromov …

Explicit closed algebraic formulas for Orlov–Scherbin -point functions

B Bychkov, P Dunin-Barkowski, M Kazarian… - Journal de l'École …, 2022 - numdam.org
We derive a new explicit formula in terms of sums over graphs for the n-point correlation
functions of general formal weighted double Hurwitz numbers coming from the Kadomtsev …

Towards an orbifold generalization of Zvonkine's 𝑟-ELSV formula

R Kramer, D Lewanski, A Popolitov… - Transactions of the …, 2019 - ams.org
We perform a key step towards the proof of Zvonkine's conjectural $ r $-ELSV formula that
relates Hurwitz numbers with completed $(r+ 1) $-cycles to the geometry of the moduli …

Special cases of the orbifold version of Zvonkine's r-ELSV formula

G Borot, R Kramer, D Lewanski… - Michigan …, 2021 - projecteuclid.org
Special Cases of the Orbifold Version of Zvonkine's r-ELSV Formula Page 1 Michigan Math. J.
70 (2021), 369–402 Special Cases of the Orbifold Version of Zvonkine’s r-ELSV Formula …

Combinatorial structure of colored HOMFLY-PT polynomials for torus knots

P Dunin-Barkowski, A Popolitov, S Shadrin… - arXiv preprint arXiv …, 2017 - arxiv.org
We rewrite the (extended) Ooguri-Vafa partition function for colored HOMFLY-PT
polynomials for torus knots in terms of the free-fermion (semi-infinite wedge) formalism …

[HTML][HTML] Wall-crossing formulae and strong piecewise polynomiality for mixed Grothendieck dessins d'enfant, monotone, and double simple Hurwitz numbers

MA Hahn, R Kramer, D Lewanski - Advances in Mathematics, 2018 - Elsevier
We derive explicit formulae for the generating series of mixed Grothendieck dessins
d'enfant/monotone/simple Hurwitz numbers, via the semi-infinite wedge formalism. This …

[PDF][PDF] Topological recursion for monotone orbifold Hurwitz numbers: a proof of the Do-Karev conjecture

R Kramer, A Popolitov, S Shadrin - arXiv preprint arXiv:1909.02302, 2019 - arxiv.org
arXiv:1909.02302v3 [math.AG] 9 Oct 2020 Page 1 TOPOLOGICAL RECURSION FOR
MONOTONE ORBIFOLD HURWITZ NUMBERS: A PROOF OF THE DO-KAREV …

[PDF][PDF] 𝑏-Hurwitz numbers from Whittaker vectors for W-algebras

NK Chidambaram, M Dołęga, K Osuga - Preprint - researchgate.net
We show that 𝑏-Hurwitz numbers with a rational weight are obtained by taking an explicit
limit of a Whittaker vector for the W-algebra of type 𝐴. Our result is a vast generalization of …