Tiling Enumeration

Christian Krattenthaler


Team:

Subproject Leader: Christian Krattenthaler

PostDoc: Shane Chern (Xiaohang Chen)

PhD: Seamus Albion, Marcus Schönfelder

Previously part of the team: Seamus Albion (01.04.2024-31.07.2025)


Results:

  • A bijective look at gapfree partitions: between local and global
    Shane Chern, Shishuo Fu, Dazhao Tang
    Ramanujan J (2025) Vol. 67, Nr. 34.
    doi: 10.1007/s11139-025-01078-7 (associated to Project 6)
  • Multiple Rogers-Ramanujan type identities for torus links
    Shane Chern
    arXiv:2411.07198 (associated to Project 6)
  • A generalization of conjugation of integer partitions
    Seamus Albion, Theresia Eisenkölbl, Ilse Fischer, Moritz Grangl, Hans Höngesberg, Christian Krattenthaler, Martin Rubey
    Electronic J. Combin. (2025),  Vol. 32, Nr. 2.
    DOI:10.37236/13489 (associated to Project 4 and 6)
  • Arithmetic properties of the Taylor coefficients of differentially algebraic power series
    Christian Krattenthaler, Tanguy Rivoal
    arXiv:2502.09259 (associated to Project 6)
  • A positivity conjecture for a quotient of q-binomial coefficients
    Mona Gatzweiler, Christian Krattenthaler
    Ramanujan J. (2026), Vol. 69, No. 1
    DOI: 10.1007/s11139-025-01285-2 (associated to Project 6)
  • Refined enumeration of two-rowed set-valued standard tableaux via two-coloured Motzkin paths
    Christian Krattenthaler
    arXiv:2501.09208 (associated to Project 6)
  • An Orthogonal View of Gaußian Polynomials
    Christian Krattenthaler, Brandt Kronholm, Paul Marsh
    arXiv:2510.14124 (associated to Project 6)
  • Bounded Littlewood identities with fixed number of odd rows or odd columns
    JiSun Huh, Jang Soo Kim, Christian Krattenthaler, Soichi Okada
    arXiv:2510.11054 (associated to Project 6)
  • Schur log-concavity and the quantum Pascal triangle
    Álvaro Gutiérrez, Christian Krattenthaler
    arXiv:2509.22648 (associated to Project 6)
  • A probabilistic proof of Euler's pentagonal number theorem
    Shane Chern
    Sém. Lothar. Combin. 92 (2025), Art. B92c, 12 pp (associated to Project 6)
  • Convolutive sequences, I: Through the lens of integer partition functions
    Shane Chern, Dennis Eichhorn, Shishuo Fu, James A. Sellers
    Exp. Math, in press.
    DOI: 10.1080/10586458.2025.2604777 (associated to Project 6)
  • Domino tilings, nonintersecting lattice paths and subclasses of Koutschan–Krattenthaler–Schlosser determinants
    Qipin Chen, Shane Chern, Atsuro Yoshida
    J. Combin. Theory Ser. A (2026), Vol. 221, Paper No. 106159, 37pp.
    DOI: 10.1016/j.jcta.2026.106159 (associated to Project 4 and 6)
  • Signed counting of partition matrices
    Shane Chern, Shishuo Fu
    arXiv:2508.21318 (associated to Project 6)
  • Asymptotics for the enumeration of commuting matrices over finite fields
    Kathrin Bringmann, Shane Chern, Johann Franke, Bernhard Heim
    SIGMA Symmetry Integrability Geom. Methods Appl. (2026), Vol. 22, Paper No. 016, 8 pp. 
    DOI: 10.3842/SIGMA.2026.016 (associated to Project 6)
  • Proof of the Andrews-El Bachraoui positivity conjecture
    Shane Chern, Chun Wang
    arXiv:2601.19845 (associated to Project 6)
  • Signed counting of partition matrices
    Shane Chern, Shishuo Fu
    J. Combin. Theory Ser. A (2026), Vol. 223, Paper No. 106213, 32 pp.
    DOI: 10.1016/j.jcta.2026.106213 (associated to Project 6)
  • On conjectural fermionic formulas for the Macdonald index in Argyres–Douglas theories
    Shane Chern, Chanh Tran, Tanay Wakhare
    arXiv:2605.02251 (associated to Project 6)