On pseudo-involutions, involutions and quasi-involutions in the group of almost Riordan arrays Paul BarryNikolaos Pantelidis OriginalPaper 20 November 2020 Pages: 399 - 423
Moments of partitions and derivatives of higher order Shaul Zemel OriginalPaper 25 November 2020 Pages: 425 - 439
Eulerian polynomials via the Weyl algebra action Jose AgapitoPasquale PetrulloMaria M. Torres OriginalPaper Open access 02 December 2020 Pages: 457 - 473
Non-hyperoctahedral categories of two-colored partitions part I: new categories Alexander MangMoritz Weber OriginalPaper Open access 16 February 2021 Pages: 475 - 513
On random permutations of finite groups D. BerendS. Mamana OriginalPaper 07 January 2021 Pages: 515 - 528
New bounds on the field size for maximally recoverable codes instantiating grid-like topologies Xiangliang KongJingxue MaGennian Ge OriginalPaper 01 February 2021 Pages: 529 - 557
Limit for the Euler-genus distributions of ladder-like sequences of graphs Jinlian ZhangXuhui PengXianglin Zhang OriginalPaper 27 January 2021 Pages: 559 - 574
n-APR tilting and \(\tau \)-mutations Jin Yun GuoCong Xiao OriginalPaper 23 January 2021 Pages: 575 - 597
An upper bound for reflection length in Coxeter groups Brian DrakeEvan Peters OriginalPaper 30 January 2021 Pages: 599 - 606
Hilbert series of simple thin polyominoes Giancarlo RinaldoFrancesco Romeo OriginalPaper 05 February 2021 Pages: 607 - 624
An iterative formula for the Kostka–Foulkes polynomials Timothee W. BryanNaihuan Jing OriginalPaper 28 January 2021 Pages: 625 - 634
Complete bipartite multi-graphs with a unique regular dessin Jiyong ChenWenwen Fan OriginalPaper 12 February 2021 Pages: 635 - 649
Spectra and eigenspaces of arbitrary lifts of graphs C. DalfóM. A. FiolJ. Širáň Original Paper Open access 23 September 2021 Pages: 651 - 672