Volume 1 (2021), Number 1
- Editorial
Historical paper
- - Brian Hopkins,
Euler's enumerations,
ECA 1:1 (2021) Article S1H1.
DOI: https://doi.org/10.54550/ECA2021V1S1H1
Research papers
- - Caleb Ji and James Propp,
Brussels sprouts, noncrossing trees, and parking functions,
ECA 1:1 (2021) Article S2R1.
DOI: https://doi.org/10.54550/ECA2021V1S1R1
- - Bridget E. Tenner,
Forced perimeter in Elnitksy polygons,
ECA 1:1 (2021) Article S2R2.
DOI: https://doi.org/10.54550/ECA2021V1S1R2
- - Alfred Schreiber,
Inverse relations and reciprocity laws involving partial Bell polynomials and related extensions,
ECA 1:1 (2021) Article S2R3.
DOI: https://doi.org/10.54550/ECA2021V1S1R3
- - Helmut Prodinger,
Retakh's Motzkin paths and some combinatorial comments,
ECA 1:1 (2021) Article S2R4.
DOI: https://doi.org/10.54550/ECA2021V1S1R4
- - Sudip Bera,
Combinatorialization of Sury and McLaughlin identities and general linear recurrences by a unified approach, ECA 1:1 (2021) Article S2R5.
DOI: https://doi.org/10.54550/ECA2021V1S1R5
- - Colin Defant,
Highly sorted permutations and Bell numbers, ECA 1:1 (2021) Article S2R6.
DOI: https://doi.org/10.54550/ECA2021V1S1R6
- - Chunwei Song and Bowen Yao,
On combinatorial rectangles with minimum ∞-discrepancy, ECA 1:1 (2021) Article S2R7.
DOI: https://doi.org/10.54550/ECA2021V1S1R7
- - Amal Alofi and Mark Dukes,
Parallelogram polyominoes and rectangular EW-tableaux: Correspondences through the Sandpile model, ECA 1:1 (2021) Article S2R8.
DOI: https://doi.org/10.54550/ECA2021V1S1R8
Survey papers
- - Jonathan L. Gross and Thomas W. Tucker,
Enumerating graph embeddings and partial-duals by genus and Euler genus,
ECA 1:1 (2021) Article S2S1.
DOI: https://doi.org/10.54550/ECA2021V1S1S1
Interviews
- -Interview with Richard P. Stanley, ECA 1:1 (2021) Interview S3I1.
DOI: https://doi.org/10.54550/ECA2021V1S1I1
- -Interview with Noga Alon, ECA 1:1 (2021) Interview S3I2.
DOI: https://doi.org/10.54550/ECA2021V1S1I2
- -Interview with Doron Zeilberger, ECA 1:1 (2021) Interview S3I3.
DOI: https://doi.org/10.54550/ECA2021V1S1I3
- -Interview with Don Knuth, ECA 1:1 (2021) Interview S3I9.
DOI: https://doi.org/10.54550/ECA2021V1S1I9
Volume 1 (2021), Number 2
Historical paper
- - Sergey Kitaev and Anthony Mendes,
The combinatorics of Jeff Remmel,
ECA 1:2 (2021) Article S1H2.
DOI: https://doi.org/10.54550/ECA2021V1S2H2
Research papers
- - Elena Barcucci, Antonio Bernini, Stefano Bilotta and Renzo Pinzani,
Non-overlapping matrices via Dyck words,
ECA 1:2 (2021) Article S2R9.
DOI: https://doi.org/10.54550/ECA2021V1S2R9
- - Mark Skandera,
Generating functions for monomial characters of wreath products ℤ/dℤ≀ 𝕾_n,
ECA 1:2 (2021) Article S2R10.
DOI: https://doi.org/10.54550/ECA2021V1S2R10
- - Laura Colmenarejo, Pamela E. Harris, Zakiya Jones, Christo Keller, Andrés Ramos Rodríguez, Eunice Sukarto and Andrés R. Vindas-Meléndez,
Counting k-Naples parking functions through permutations and the k-Naples area statistic,
ECA 1:2 (2021) Article S2R11.
DOI: https://doi.org/10.54550/ECA2021V1S2R11
- - AJ Bu,
Automated counting of restricted Motzkin paths,
ECA 1:2 (2021) Article S2R12.
DOI: https://doi.org/10.54550/ECA2021V1S2R12
- - Orli Herscovici, Johann A. Makowsky and Vsevolod Rakita,
Harary polynomials,
ECA 1:2 (2021) Article S2R13.
DOI: https://doi.org/10.54550/ECA2021V1S2R13
- - Ilani Axelrod-Freed,
312-Avoiding reduced valid hook configurations and duck words,
ECA 1:2 (2021) Article S2R14.
DOI: https://doi.org/10.54550/ECA2021V1S2R14
- - Robert G. Donnelly, Molly W. Dunkum, Murray L. Huber and Lee Knupp,
Sign-alternating Gibonacci polynomials,
ECA 1:2 (2021) Article S2R15.
DOI: https://doi.org/10.54550/ECA2021V1S2R15
- - Frether Getachew Kebede and Fanja Rakotondrajao,
Parity alternating permutations starting with an odd integer,
ECA 1:2 (2021) Article S2R16.
DOI: https://doi.org/10.54550/ECA2021V1S2R16
Survey papers
- - Matthias Schork,
Recent developments in combinatorial aspects of normal ordering,
ECA 1:2 (2021) Article S2S2.
DOI: https://doi.org/10.54550/ECA2021V1S2S2
Interviews
- -Interview with Maria Chudnovsky, ECA 1:2 (2021) Interview S3I4.
DOI: https://doi.org/10.54550/ECA2021V1S2I4
- -Interview with Yufei Zhao, ECA 1:2 (2021) Interview S3I5.
DOI: https://doi.org/10.54550/ECA2021V1S2I5
- -Interview with Amitai Regev, ECA 1:2 (2021) Interview S3I6.
DOI: https://doi.org/10.54550/ECA2021V1S2I6
- -Interview with Larry Guth, ECA 1:2 (2021) Interview S3I7.
DOI: https://doi.org/10.54550/ECA2021V1S2I7
Volume 1 (2021), Number 3
Historical paper
- - Gilbert Labelle,
The mathematical life of Pierre Leroux,
ECA 1:3 (2021) Article S1H3.
DOI: https://doi.org/10.54550/ECA2021V1S3H3
Research papers
- - Shalosh B. Ekhad, Christoph Koutschan, and Doron Zeilberger,
There are EXACTLY 149380...9556 ways to derange a standard deck of cards (ignoring suits) [and many other such useful facts],
ECA 1:3 (2021) Article S2R17.
DOI: https://doi.org/10.54550/ECA2021V1S3R17
- - Shashikant Mulay,
Semi-invariants of binary forms and symmetrized graph-monomials,
ECA 1:3 (2021) Article S2R18.
DOI: https://doi.org/10.54550/ECA2021V1S3R18
- - Jean-Luc Baril and Sergey Kirgizov,
Transformation à la Foata for special kinds of descents and excedances,
ECA 1:3 (2021) Article S2R19.
DOI: https://doi.org/10.54550/ECA2021V1S3R19
- - Taylor Brysiewicz and Fulvio Gesmundo,
The degree of Stiefel manifolds,
ECA 1:3 (2021) Article S2R20.
DOI: https://doi.org/10.54550/ECA2021V1S3R20
- - Eli Bagno, Estrella Eisenberg, Shulamit Reches, and Moriah Sigron,
On the sparseness of the downsets of permutations via their number of separators,
ECA 1:3 (2021) Article S2R21.
DOI: https://doi.org/10.54550/ECA2021V1S3R21
- - Priyavrat Deshpande, Krishna Menon, and Anurag Singh,
A combinatorial statistic for labeled threshold graphs,
ECA 1:3 (2021) Article S2R22.
DOI: https://doi.org/10.54550/ECA2021V1S3R22
- - Sajal Mukherjee and Sanjay Mukherjee,
Counting on matrices,
ECA 1:3 (2021) Article S2R23.
DOI: https://doi.org/10.54550/ECA2021V1S3R23
- - Markus Fulmek,
Generating functions of Lozenge tilings for hexagonal regions via nonintersecting lattice paths,
ECA 1:3 (2021) Article S2R24.
DOI: https://doi.org/10.54550/ECA2021V1S3R24
Survey papers
- - Ross G. Pinsky,
A view from the bridge spanning combinatorics and probability,
ECA 1:3 (2021) Article S2S3.
DOI: https://doi.org/10.54550/ECA2021V1S3S3
Interviews
- -Interview with Bruce Sagan, ECA 1:3 (2021) Interview S3I8.
DOI: https://doi.org/10.54550/ECA2021V1S3I8
- -Interview with Van Vu, ECA 1:3 (2021) Interview S3I10.
DOI: https://doi.org/10.54550/ECA2021V1S3I10
- -Interview with Igor Pak, ECA 1:3 (2021) Interview S3I11.
DOI: https://doi.org/10.54550/ECA2021V1S3I11
- -Interview with George E. Andrews, ECA 1:3 (2021) Interview S3I12.
DOI: https://doi.org/10.54550/ECA2021V1S3I12
Volume 2 (2022), Number 1
Historical paper
- - Helmut Prodinger,
Philippe Flajolet's early work in combinatorics,
ECA 2:1 (2022) Article S1H1.
DOI: https://doi.org/10.54550/ECA2022V2S1H1
Research papers
- - Beáta Bényi and José L. Ramírez,
Poly-Cauchy numbers of the second kind - the combinatorics behind,
ECA 2:1 (2022) Article S2R1.
DOI: https://doi.org/10.54550/ECA2022V2S1R1
- - Per Alexandersson and Olivia Nabawanda,
Peaks are preserved under run-sorting,
ECA 2:1 (2022) Article S2R2.
DOI: https://doi.org/10.54550/ECA2022V2S1R2
- - John Machacek,
Lattice walks ending on a coordinate hyperplane avoiding backtracking and repeats,
ECA 2:1 (2022) Article S2R3.
DOI: https://doi.org/10.54550/ECA2022V2S1R3
- - Krishna Menon and Anurag Singh,
Pattern avoidance and dominating compositions,
ECA 2:1 (2022) Article S2R4.
DOI: https://doi.org/10.54550/ECA2022V2S1R4
- - Tri Lai,
Ratio of tiling generating functions of semi-hexagons and quartered hexagons with dents,
ECA 2:1 (2022) Article S2R5.
DOI: https://doi.org/10.54550/ECA2022V2S1R5
- - Nikolai Beluhov,
One curious identity counting graceful labelings,
ECA 2:1 (2022) Article S2R6.
DOI: https://doi.org/10.54550/ECA2022V2S1R6
- - Sergi Elizalde and Emeric Deutsch,
The degree of asymmetry of sequences,
ECA 2:1 (2022) Article S2R7.
DOI: https://doi.org/10.54550/ECA2022V2S1R7
- - George Spahn and Doron Zeilberger,
Automatic counting of generalized Latin rectangles and trapezoids,
ECA 2:1 (2022) Article S2R8.
DOI: https://doi.org/10.54550/ECA2022V2S1R8
Interviews
- -Interview with Edward A. Bender, ECA 2:1 (2022) Interview S3I1.
DOI: https://doi.org/10.54550/ECA2022V2S1I1
- -Interview with Victor Reiner, ECA 2:1 (2022) Interview S3I2.
DOI: https://doi.org/10.54550/ECA2022V2S1I2
- -Interview with Greta Panova, ECA 2:1 (2022) Interview S3I3.
DOI: https://doi.org/10.54550/ECA2022V2S1I3
- -Interview with Xavier Viennot, ECA 2:1 (2022) Interview S3I4.
DOI: https://doi.org/10.54550/ECA2022V2S1I4
Volume 2 (2022), Number 2
Research papers
- - Zachary Stier, Julian Wellman, and Zixuan Xu,
Dihedral sieving on cluster complexes,
ECA 2:2 (2022) Article S2R9.
DOI: https://doi.org/10.54550/ECA2022V2S2R9
- - Aruzhan Amanbayeva and Danielle Wang,
The convex hull of parking functions of length n,
ECA 2:2 (2022) Article S2R10.
DOI: https://doi.org/10.54550/ECA2022V2S2R10
- - Kristina Dedndreaj and Peter Tittmann,
On the activities and partitions of the vertex subsets of graphs,
ECA 2:2 (2022) Article S2R11.
DOI: https://doi.org/10.54550/ECA2022V2S2R11
- - Mark Shattuck,
A formula relating Bell polynomials and Stirling numbers of the first kind,
ECA 2:2 (2022) Article S2R12.
DOI: https://doi.org/10.54550/ECA2022V2S2R12
- - Douglas M. McKenna,
Fibbinary zippers in a monoid of toroidal Hamiltonian cycles that generate Hilbert-style square-filling curves, ECA 2:2 (2022) Article S2R13.
DOI: https://doi.org/10.54550/ECA2022V2S2R13
- - William Linz,
s-Catalan numbers and Littlewood-Richardson polynomials, ECA 2:2 (2022) Article S2R14.
DOI: https://doi.org/10.54550/ECA2022V2S2R14
- - Kostas Manes and Ioannis Tasoulas,
Bijections for Dyck paths with colored hills, ECA 2:2 (2022) Article S2R15.
DOI: https://doi.org/10.54550/ECA2022V2S2R15
- - Shishuo Fu and Yanlin Li,
Rooted quasi-Stirling permutations of general multisets, ECA 2:2 (2022) Article S2R16.
DOI: https://doi.org/10.54550/ECA2022V2S2R16
Interviews
- -Interview with Jeffrey Shallit, ECA 2:2 (2022) Interview S3I5.
DOI: https://doi.org/10.54550/ECA2022V2S2I5
- -Interview with Karim Adiprasito, ECA 2:2 (2022) Interview S3I6.
DOI: https://doi.org/10.54550/ECA2022V2S2I6
- -Interview with Gil Kalai, ECA 2:2 (2022) Interview S3I7.
DOI: https://doi.org/10.54550/ECA2022V2S2I7
- -Interview with Ira Gessel, ECA 2:2 (2022) Interview S3I8.
DOI: https://doi.org/10.54550/ECA2022V2S2I8
Volume 2 (2022), Number 3
Research papers
- - Takayuki Hibi, Kyouko Kimura, Kazunori Matsuda, and Adam Van Tuyl,
The regularity and h-polynomial of Cameron-Walker graphs, ECA 2:3 (2022) Article S2R17.
DOI: https://doi.org/10.54550/ECA2022V2S3R17
- - Christian Gaetz, Oliver Pechenik, Jessica Striker, and Joshua P. Swanson,
Curious cyclic sieving on increasing tableaux, ECA 2:3 (2022) Article S2R18.
DOI: https://doi.org/10.54550/ECA2022V2S3R18
- - Michael Coopman and Martin Rubey,
An equidistribution involving invisible inversions, ECA 2:3 (2022) Article S2R19.
DOI: https://doi.org/10.54550/ECA2022V2S3R19
- - Theo Douvropoulos, Joel Brewster Lewis, and Alejandro H. Morales,
Hurwitz numbers for reflection groups I: generatingfunctionology, ECA 2:3 (2022) Article S2R20.
DOI: https://doi.org/10.54550/ECA2022V2S3R20
- - Nantel Bergeron, Xavier Mootoo, and Vedarth Vyas,
The Grőbner basis of a Catalan path ideal, ECA 2:3 (2022) Article S2R21.
DOI: https://doi.org/10.54550/ECA2022V2S3R21
- - Rebecca Embar and Doron Zeilberger,
Counting condorcet, ECA 2:3 (2022) Article S2R22.
DOI: https://doi.org/10.54550/ECA2022V2S3R22
- - Bridget Eileen Tenner,
Boolean intersection ideals of permutations in the Bruhat order, ECA 2:3 (2022) Article S2R23.
DOI: https://doi.org/10.54550/ECA2022V2S3R23
- - Yidong Sun, Wenle Shi, and Di Zhao,
Symmetric and asymmetric peaks or valleys in (partial) Dyck paths, ECA 2:3 (2022) Article S2R24.
DOI: https://doi.org/10.54550/ECA2022V2S3R24
- - Tri Lai,
Errata: ``Ratio of Tiling Generating Functions of Semi-hexagons and Quartered Hexagons with Dents" (ECA 2:1 (2022) Article \#S2R5), ECA 2:3 (2022) Article S2C1.
DOI: https://doi.org/10.54550/ECA2022V2S3C01
Interviews
- -Interview with Carla D. Savage, ECA 2:3 (2022) Interview S3I9.
DOI: https://doi.org/10.54550/ECA2022V2S3I9
- -Interview with Volker Strehl, ECA 2:3 (2022) Interview S3I10.
DOI: https://doi.org/10.54550/ECA2022V2S3I10
- -Interview with Tomaž Pisanski, ECA 2:3 (2022) Interview S3I11.
DOI: https://doi.org/10.54550/ECA2022V2S3I11
- -Interview with Lauren K. Williams, ECA 2:3 (2022) Interview S3I12.
DOI: https://doi.org/10.54550/ECA2022V2S3I12
Volume 2 (2022), Number 4
Special Issue: Permutation Patterns 2021
Issue editors: David Bevan, Sergey Kitaev, and Einar Steingrímsson
Preface
- - David Bevan, Sergey Kitaev, and Einar Steingrímsson,
Preface to the special issue of Permutation Patterns 2021 (PP2021),
ECA 2:4 (2022) Article S4E1.
DOI:
https://doi.org/10.54550/ECA2022V2S4PE1
Research papers
- - Arvind Ayyer and Naya Banerjee,
The number of inversions of permutations with fixed shape,
ECA 2:4 (2022) Article S4PP1.
DOI:
https://doi.org/10.54550/ECA2022V2S4PP1
- - Samuel Braunfeld and Matthew Kukla,
Logical limit laws for layered permutations and related structures,
ECA 2:4 (2022) Article S4PP2.
DOI:
https://doi.org/10.54550/ECA2022V2S4PP2
- - Rupert Li,
Vincular pattern avoidance on cyclic permutations,
ECA 2:4 (2022) Article S4PP3.
DOI:
https://doi.org/10.54550/ECA2022V2S4PP3
- - Carla Groenland and Tom Johnston,
The lengths for which bicrucial square-free permutations exist,
ECA 2:4 (2022) Article S4PP4.
DOI:
https://doi.org/10.54550/ECA2022V2S4PP4
- - Eli Bagno, Estrella Eisenberg, Shulamit Reches, and Moriah Sigron,
Counting king permutations on the cylinder, ECA 2:4 (2022) Article S4PP5.
DOI:
https://doi.org/10.54550/ECA2022V2S4PP5
- - Juan B. Gil and Jessica A. Tomasko,
Restricted Grassmannian permutations, ECA 2:4 (2022) Article S4PP6.
DOI:
https://doi.org/10.54550/ECA2022V2S4PP6
- - Mahir Bilen Can, Luke Nelson, and Kevin Treat,
A catalanization map on the symmetric group, ECA 2:4 (2022) Article S4PP7.
DOI:
https://doi.org/10.54550/ECA2022V2S4PP7
Interviews
- -Interview with Michael Albert, ECA 2:4 (2022) Interview S4I1PP.
DOI: https://doi.org/10.54550/ECA2022V2S4I1PP
Volume 3 Issue 1
Historical paper
- - Einar Steingrímsson,
The history of the Gothenburg--Reykjavík--Strathclyde combinatorics group,
ECA 3:1 (2023) Article S1H1.
DOI: https://doi.org/10.54550/ECA2023V3S1H1
Research papers
- - François Bergeron and Mikhail Mazin,
Combinatorics of triangular partitions,
ECA 3:1 (2023) Article S2R1.
DOI: https://doi.org/10.54550/ECA2023V3S1R1
- - Jean-Luc Baril and Helmut Prodinger,
Enumeration of partial Łukasiewicz paths,
ECA 3:1 (2023) Article S2R2.
DOI: https://doi.org/10.54550/ECA2023V3S1R2
- - Runqiao Li and Ae Ja Yee,
Schmidt type partitions,
ECA 3:1 (2023) Article S2R3.
DOI: https://doi.org/10.54550/ECA2023V3S1R3
- - Marilena Barnabei, Flavio Bonetti, Niccoló Castronuovo, and Matteo Silimbani,
Pattern avoiding alternating involutions,
ECA 3:1 (2023) Article S2R4.
DOI: https://doi.org/10.54550/ECA2023V3S1R4
- - Priyavrat Deshpande and Krishna Menon,
A branch statistic for trees: interpreting coefficients of the characteristic polynomial of braid deformations, ECA 3:1 (2023) Article S2R5.
DOI: https://doi.org/10.54550/ECA2023V3S1R5
- - Nathan Sun,
A complete enumeration of Ballot permutations avoiding sets of small patterns, ECA 3:1 (2023) Article S2R6.
DOI: https://doi.org/10.54550/ECA2023V3S1R6
- - Yuji Choi and Yunseo Choi,
Highly sorted permutations with respect to a 312-avoiding stack, ECA 3:1 (2023) Article S2R7.
DOI: https://doi.org/10.54550/ECA2023V3S1R7
- - Henri Mühle and Eleni Tzanaki,
Refined lattice path enumeration and combinatorial reciprocity, ECA 3:1 (2023) Article S2R8.
DOI: https://doi.org/10.54550/ECA2023V3S1R8
Interviews
- -Interview with Peter Paule, ECA 3:1 (2023) Interview S3I1.
DOI: https://doi.org/10.54550/ECA2023V3S1I1
- -Interview with Einar Steingrímsson, ECA 3:1 (2023) Interview S3I2.
DOI: https://doi.org/10.54550/ECA2023V3S1I2
- -Interview with Helmut Prodinger, ECA 3:1 (2023) Interview S3I3.
DOI: https://doi.org/10.54550/ECA2023V3S1I3
- -Interview with Andrei Raigorodskii, ECA 3:1 (2023) Interview S3I4.
DOI: https://doi.org/10.54550/ECA2023V3S1I4
Volume 3 Issue 2
Research papers
- - Kiril Bangachev,
Enumerative and structural aspects of anagrams without fixed letters, ECA 3:2 (2023) Article S2R9.
DOI: https://doi.org/10.54550/ECA2023V3S2R9
- - George Spahn and Doron Zeilberger,
Counting permutations where the difference between entries located r places apart can never be s (for any given positive integers r and s), ECA 3:2 (2023) Article S2R10.
DOI: https://doi.org/10.54550/ECA2023V3S2R10
- - Pamela E. Harris, Brian M. Kamau, J. Carlos Martínez Mori, and Roger Tian,
On the outcome map of MVP parking functions: Permutations avoiding 321 and 3412, and Motzkin paths, ECA 3:2 (2023) Article S2R11.
DOI: https://doi.org/10.54550/ECA2023V3S2R11
- - Koustav Banerjee,
Positivity of the second shifted difference of partitions and overpartitions: a combinatorial approach, ECA 3:2 (2023) Article S2R12.
DOI: https://doi.org/10.54550/ECA2023V3S2R12
- - Sam Hopkins and Gjergji Zaimi,
Combinatorial reciprocity for non-intersecting paths, ECA 3:2 (2023) Article S2R13.
DOI: https://doi.org/10.54550/ECA2023V3S2R13
- - Nathan Kaplan and Deepesh Singhal,
The expected embedding dimension, type and weight of a numerical semigroup, ECA 3:2 (2023) Article S2R14.
DOI: https://doi.org/10.54550/ECA2023V3S2R14
- - Karol A. Penson, Katarzyna Górska, Andrzej Horzela, and Gérard H. E. Duchamp,
Hausdorff moment problem for combinatorial numbers of Brown and Tutte: exact solution, ECA 3:2 (2023) Article S2R15.
DOI: https://doi.org/10.54550/ECA2023V3S2R15
- - Nikolai Beluhov,
Snake paths in king and knight graphs, ECA 3:2 (2023) Article S2R16.
DOI: https://doi.org/10.54550/ECA2023V3S2R16
Interviews
- -Interview with Anne Schilling, ECA 3:2 (2023) Interview S3I5.
DOI: https://doi.org/10.54550/ECA2023V3S2I5
- -Interview with Stuart Whittington, ECA 3:2 (2023) Interview S3I6.
DOI: https://doi.org/10.54550/ECA2023V3S2I6
Volume 3 Issue 3
Research papers
- - Ayomikun Adeniran and Lara Pudwell,
Pattern avoidance in parking functions, ECA 3:3 (2023) Article S2R17.
DOI: https://doi.org/10.54550/ECA2023V3S3R17
- - Sylvie Corteel, Sergi Elizalde, and Carla Savage,
Partitions with constrained ranks and lattice paths, ECA 3:3 (2023) Article S2R18.
DOI: https://doi.org/10.54550/ECA2023V3S3R18
- - Antoine Abram and Christophe Reutenauer,
On a lemma of Schensted, ECA 3:3 (2023) Article S2R19.
DOI: https://doi.org/10.54550/ECA2023V3S3R19
- - Nicholas Ercolani, Joceline Lega, and Brandon Tippings,
Non-recursive counts of graphs on surfaces, ECA 3:3 (2023) Article S2R20.
DOI: https://doi.org/10.54550/ECA2023V3S3R20
- - Grant Kopitzke,
The Gini index in the representation theory of the general linear group, ECA 3:3 (2023) Article S2R21.
DOI: https://doi.org/10.54550/ECA2023V3S3R21
- - Glenn D. Appleby and Tamsen Whitehead,
Perforated tableaux in type An-1 crystal graphs and the RSK correspondence, ECA 3:3 (2023) Article S2R22.
DOI: https://doi.org/10.54550/ECA2023V3S3R22
- - Petros Hadjicostas,
On the number of bracelets whose co-periods divide a given integer, ECA 3:3 (2023) Article S2R23.
DOI: https://doi.org/10.54550/ECA2023V3S3R23
- - Teresa Xueshan Li, Lili Mu, and Richard P. Stanley,
Some linear transformations on symmetric functions arising from a Formula of Thiel and Williams, ECA 3:3 (2023) Article S2R24.
DOI: https://doi.org/10.54550/ECA2023V3S3R24
Interviews
- -Interview with Joel Spencer, ECA 3:3 (2023) Interview S3I7.
DOI: https://doi.org/10.54550/ECA2023V3S3I7
- -Interview with Douglas West, ECA 3:3 (2023) Interview S3I8.
DOI: https://doi.org/10.54550/ECA2023V3S3I8
Volume 4 Issue 1
Research papers
- - Masamichi Kuroda and Shuhei Tsujie,
The characteristic quasi-polynomials of hyperplane arrangements over residually finite Dedekind domains, ECA 4:1 (2024) Article S2R1.
DOI: https://doi.org/10.54550/ECA2024V4S1R1
- - Spencer J. Franks, Pamela E. Harris, Kimberly J. Harry, Jan Kretschmann, and Megan Vance,
Counting parking sequences and parking assortments through permutations, ECA 4:1 (2024) Article S2R2.
DOI: https://doi.org/10.54550/ECA2024V4S1R2
- - Hiranya Kishore Dey, Umesh Shankar, and Sivaramakrishnan Sivasubramanian,
q-Enumeration of type B and type D Eulerian polynomials based on parity of descents, ECA 4:1 (2024) Article S2R3.
DOI: https://doi.org/10.54550/ECA2024V4S1R3
- - Douglas M. Chen, Pamela E. Harris, J. Carlos Martínez Mori, Eric J. Pabón-Cancel, and Gabriel Sargent,
Permutation invariant parking assortments, ECA 4:1 (2024) Article S2R4.
DOI: https://doi.org/10.54550/ECA2024V4S1R4
- - Xiangdong Wen,
A symmetric chain decomposition of L(5,n), ECA 4:1 (2024) Article S2R5.
DOI: https://doi.org/10.54550/ECA2024V4S1R5
- - Yibo Gao and Siyu Liu,
Tree enumeration polynomials on separable permutations, ECA 4:1 (2024) Article S2R6.
DOI: https://doi.org/10.54550/ECA2024V4S1R6
- - William Q. Erickson and Jan Kretschmann,
The sum of width-one tensors, ECA 4:1 (2024) Article S2R7.
DOI: https://doi.org/10.54550/ECA2024V4S1R7
- - Graeme Henrickson, Anna Stokke, and Max Wiebe,
A cyclic sieving phenomenon for symplectic tableaux, ECA 4:1 (2024) Article S2R8.
DOI: https://doi.org/10.54550/ECA2024V4S1R8
Interviews
- -Interview with Francesco Brenti, ECA 4:1 (2024) Interview S3I1.
DOI: https://doi.org/10.54550/ECA2024V4S1I1
Volume 4 Issue 2
Research papers
- - Shiliang Gao, Joshua Kiers, Gidon Orelowitz, and Alexander Yong,
The Kostka semigroup and its Hilbert basis, ECA 4:2 (2024) Article S2R9.
DOI: https://doi.org/10.54550/ECA2024V4S2R9
- - Alfred Schreiber,
On the formal power series of involutory functions, ECA 4:2 (2024) Article S2R10.
DOI: https://doi.org/10.54550/ECA2024V4S2R10
- - Hemanshu Kaul, Michael Maxfield, Jeffrey A. Mudrock, and Seth Thomason,
The DP color function of clique-gluings of graphs, ECA 4:2 (2024) Article S2R11.
DOI: https://doi.org/10.54550/ECA2024V4S2R11
- - Marcel K. Goh and Jonah Saks,
On the homology of several number-theoretic set families, ECA 4:2 (2024) Article S2R12.
DOI: https://doi.org/10.54550/ECA2024V4S2R12
- - Jean-Bernard Zuber,
Counting partitions by genus. I. Genus 0 to 2, ECA 4:2 (2024) Article S2R13.
DOI: https://doi.org/10.54550/ECA2024V4S2R13
- - Chak-On Chow,
New proofs of interlacing of zeros of Eulerian polynomials. III, ECA 4:2 (2024) Article S2R14.
DOI: https://doi.org/10.54550/ECA2024V4S2R14
- - Richard Ehrenborg, Gàbor Hetyei, and Margaret Readdy,
Catalan--Spitzer permutations, ECA 4:2 (2024) Article S2R15.
DOI: https://doi.org/10.54550/ECA2024V4S2R15
- - Svetlana Poznanović, Maria Rodriguez Hertz, Solomon Valore-Caplan, and David Wichmann,
Descent polynomials for labeled trees, ECA 4:2 (2024) Article S2R16.
DOI: https://doi.org/10.54550/ECA2024V4S2R16
Interviews
- -Interview with Ken-ichi Kawarabayashi, ECA 4:2 (2024) Interview S3I2.
DOI: https://doi.org/10.54550/ECA2024V4S2I2
- -Interview with Alan Frieze, ECA 4:2 (2024) Interview S3I4.
DOI: https://doi.org/10.54550/ECA2024V4S2I4
- -Interview with David Conlon, ECA 4:2 (2024) Interview S3I5.
DOI: https://doi.org/10.54550/ECA2024V4S2I5
Volume 4 Issue 3
Research papers
- - William Y.C. Chen,
Breaking cycles, the odd versus the even, ECA 4:3 (2024) Article S2R17.
DOI: https://doi.org/10.54550/ECA2024V4S3R17
- - Richard Ehrenborg,
Generating functions for the cd-indices of simplices and cubes, ECA 4:3 (2024) Article S2R18.
DOI: https://doi.org/10.54550/ECA2024V4S3R18
- - Su Ji Hong and George D. Nasr,
Combinatorics for certain skew tableaux, Dyck paths, triangulations, and dissections, ECA 4:3 (2024) Article S2R19.
DOI: https://doi.org/10.54550/ECA2024V4S3R19
- - Tanya Khovanova and Rich Wang,
Ending states of a special variant of the chip-firing algorithm, ECA 4:3 (2024) Article S2R20.
DOI: https://doi.org/10.54550/ECA2024V4S3R20
- - Yujia Kang, Thomas Selig, Guanyi Yang, Yanting Zhang, and Haoyue Zhu,
On friendship and cyclic parking functions, ECA 4:3 (2024) Article S2R21.
DOI: https://doi.org/10.54550/ECA2024V4S3R21
- - Qiongqiong Pan, Chao Xu, and Jiang Zeng,
Enumerating colored permutations by the parity of descent positions, ECA 4:3 (2024) Article S2R22.
DOI: https://doi.org/10.54550/ECA2024V4S3R22
- - Janabel Xia,
Deterministic stack-sorting for set partitions, ECA 4:3 (2024) Article S2R23.
DOI: https://doi.org/10.54550/ECA2024V4S3R23
- - Jennifer Elder,
On graphs of sets of reduced words, ECA 4:3 (2024) Article S2R24.
DOI: https://doi.org/10.54550/ECA2024V4S3R24
Survey papers
- - Dennis E. Davenport, Shakuan K. Frankson, Louis W. Shapiro, and Leon C. Woodson,
An invitation to the Riordan group,
ECA 4:3 (2024) Article S2S1.
DOI: https://doi.org/10.54550/ECA2024V4S3S1
Interviews
- -Interview with Benny Sudakov, ECA 4:3 (2024) Interview S3I3.
DOI: https://doi.org/10.54550/ECA2024V4S3I3
- -Interview with Micha Sharir, ECA 4:3 (2024) Interview S3I6.
DOI: https://doi.org/10.54550/ECA2024V4S3I6
Volume 4 Issue 4
Research papers
- - Jay Pantone,
The enumeration of inversion sequences avoiding the patterns 201 and 210, ECA 4:4 (2024) Article S2R25.
DOI: https://doi.org/10.54550/ECA2024V4S4R25
- - Brian Hopkins,
Refining Blecher and Knopfmacher's integer partition fixed points, ECA 4:4 (2024) Article S2R26.
DOI: https://doi.org/10.54550/ECA2024V4S4R26
- - Eldar Fischer and Johann A. Makowsky,
Counting finite topologies, ECA 4:4 (2024) Article S2R27.
DOI: https://doi.org/10.54550/ECA2024V4S4R27
- - Andrzej Dudek, Jarosław Grytczuk, and Andrzej Ruciński,
Largest bipartite sub-matchings of a random ordered matching or a problem with socks, ECA 4:4 (2024) Article S2R28.
DOI: https://doi.org/10.54550/ECA2024V4S4R28
- - Jia Huang and Erkko Lehtonen,
Associative-commutative spectra for some varieties of groupoids, ECA 4:4 (2024) Article S2R29.
DOI: https://doi.org/10.54550/ECA2024V4S4R29
- - Helmut Prodinger,
k-Non-crossing trees and edge statistics modulo k, ECA 4:4 (2024) Article S2R30.
DOI: https://doi.org/10.54550/ECA2024V4S4R30
- - Olga Postnova and Dmitry Solovyev,
Counting filter restricted paths in ℤ2 lattice, ECA 4:4 (2024) Article S2R31.
DOI: https://doi.org/10.54550/ECA2024V4S4R31
- - Mark Shattuck,
Subword patterns in smooth words, ECA 4:4 (2024) Article S2R32.
DOI: https://doi.org/10.54550/ECA2024V4S4R32
Interviews
- -Interview with Gyula O. H. Katona, ECA 4:4 (2024) Interview S3I7.
DOI: https://doi.org/10.54550/ECA2024V4S3I7