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Combinatorics

Authors and titles for recent submissions, skipping first 58

[ total of 96 entries: 1-25 | 9-33 | 34-58 | 59-83 | 84-96 ]
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Wed, 24 Apr 2024 (continued, showing last 8 of 14 entries)

[59]  arXiv:2404.14937 [pdf, ps, other]
Title: The inversion number of dijoins and blow-up digraphs
Authors: Haozhe Wang, Yuxuan Yang, Mei Lu
Subjects: Combinatorics (math.CO)
[60]  arXiv:2404.14839 [pdf, ps, other]
Title: Eigenvalue bounds for the distance-$t$ chromatic number of a graph and their application to Lee codes
Authors: Aida Abiad, Alessandro Neri, Luuk Reijnders
Subjects: Combinatorics (math.CO); Information Theory (cs.IT)
[61]  arXiv:2404.14792 [pdf, other]
Title: $α_i$-Metric Graphs: Hyperbolicity
Authors: Feodor F. Dragan, Guillaume Ducoffe
Comments: Submitted
Subjects: Combinatorics (math.CO); Discrete Mathematics (cs.DM); Data Structures and Algorithms (cs.DS)
[62]  arXiv:2404.14670 [pdf, ps, other]
Title: On the sizes of BDDs and ZDDs representing matroids
Authors: Hiromi Emoto, Yuni Iwamasa, Shin-ichi Minato
Comments: 21 pages, 7 figures
Subjects: Combinatorics (math.CO); Discrete Mathematics (cs.DM); Data Structures and Algorithms (cs.DS)
[63]  arXiv:2404.14439 [pdf, other]
Title: Type B Set partitions, an analogue of restricted growth functions
Authors: Amrita Acharyya
Subjects: Combinatorics (math.CO)
[64]  arXiv:2404.15240 (cross-list from math.AG) [pdf, other]
Title: Symmetric Ideals and Invariant Hilbert Schemes
Authors: Sebastian Debus, Andreas Kretschmer
Comments: Comments welcome!
Subjects: Algebraic Geometry (math.AG); Commutative Algebra (math.AC); Combinatorics (math.CO)
[65]  arXiv:2404.14878 (cross-list from math.GT) [pdf, other]
Title: Polyhedral CAT(0) metrics on locally finite complexes
Authors: Karim A. Adiprasito, Louis Funar
Comments: 16p
Subjects: Geometric Topology (math.GT); Combinatorics (math.CO)
[66]  arXiv:2404.14640 (cross-list from math.AC) [pdf, ps, other]
Title: On the symbolic $F$-splitness of binomial edge ideals
Authors: Pedro Ramírez-Moreno
Comments: 20 pages, comments welcome
Subjects: Commutative Algebra (math.AC); Combinatorics (math.CO)

Tue, 23 Apr 2024 (showing first 17 of 30 entries)

[67]  arXiv:2404.14398 [pdf, ps, other]
Title: A lower bound on the number of colours needed to nicely colour a sphere
Authors: Péter Ágoston
Comments: The result was presented at CCCG 2020. The present paper is a revised version of the paper in the conference proceedings
Subjects: Combinatorics (math.CO)
[68]  arXiv:2404.14375 [pdf, ps, other]
Title: Two classes of Hadamard matrices of Goethals-Seidel type
Authors: Dragomir Ž. Đoković
Comments: 11 pages
Subjects: Combinatorics (math.CO)
[69]  arXiv:2404.14320 [pdf, other]
Title: Bisecting masses with families of parallel hyperplanes
Authors: Alfredo Hubard, Pablo Soberón
Comments: 18 pages, 3 figures
Subjects: Combinatorics (math.CO)
[70]  arXiv:2404.14308 [pdf, other]
Title: Extensions of discrete Helly theorems for boxes
Authors: Timothy Edwards, Pablo Soberón
Comments: 13 pages, 1 figure
Subjects: Combinatorics (math.CO)
[71]  arXiv:2404.14178 [pdf, ps, other]
Title: Non-trivial $r$-wise agreeing families
Authors: Peter Frankl, Andrey Kupavskii
Subjects: Combinatorics (math.CO)
[72]  arXiv:2404.14020 [pdf, other]
Title: Perfect Matching in Product Graphs and in their Random Subgraphs
Authors: Sahar Diskin, Anna Geisler
Subjects: Combinatorics (math.CO); Probability (math.PR)
[73]  arXiv:2404.13989 [pdf, other]
Title: Three Simple Reduction Formulas for the Denumerant Functions
Authors: Feihu Liu, Guoce Xin, Chen Zhang
Subjects: Combinatorics (math.CO); Number Theory (math.NT)
[74]  arXiv:2404.13938 [pdf, ps, other]
Title: Groups with elements of order 8 do not have the DCI property
Authors: Ted Dobson, Joy Morris, Pablo Spiga
Comments: 4 pages
Subjects: Combinatorics (math.CO)
[75]  arXiv:2404.13839 [pdf, ps, other]
Title: On a conjecture of Gross, Mansour and Tucker for $Δ$-matroids
Authors: Remi Cocou Avohou
Comments: 9 pages
Subjects: Combinatorics (math.CO)
[76]  arXiv:2404.13713 [pdf, ps, other]
Title: Efficiency analysis for the Perron vector of a reciprocal matrix
Authors: Susana Furtado, Charles Johnson
Subjects: Combinatorics (math.CO)
[77]  arXiv:2404.13539 [pdf, ps, other]
Title: Domination polynomial and total domination polynomial of zero-divisor graphs of commutative rings
Authors: Saeid Alikhani, Fatemeh Aghaei
Comments: 12 pages, 4 figures
Subjects: Combinatorics (math.CO)
[78]  arXiv:2404.13524 [pdf, other]
Title: A congruential recurrence characterizes the inverses of Sós permutations
Authors: Makoto Nagata, Yoshinori Takei
Subjects: Combinatorics (math.CO)
[79]  arXiv:2404.13510 [pdf, ps, other]
Title: Characterization of order structures avoiding three-term arithmetic progressions
Authors: Minoru Hirose, Shingo Saito
Comments: 8 pages
Subjects: Combinatorics (math.CO); Number Theory (math.NT)
[80]  arXiv:2404.13424 [pdf, other]
Title: Derangement Representation of Graphs
Authors: Somayeh Ashofteh, Moharram N. Iradmusa
Comments: 20 pages, 3 figures, 4 tables
Subjects: Combinatorics (math.CO)
[81]  arXiv:2404.13389 [pdf, ps, other]
Title: Eigenvalues and graph minors
Authors: Mingqing Zhai, Longfei Fang, Huiqiu Lin
Subjects: Combinatorics (math.CO)
[82]  arXiv:2404.13361 [pdf, ps, other]
Title: Induced orthogonality in semilattices with 0 and in pseudocomplemented lattices and posets
Authors: Ivan Chajda, Miroslav Kolařík, Helmut Länger
Subjects: Combinatorics (math.CO)
[83]  arXiv:2404.13335 [pdf, ps, other]
Title: Generalized Turán results for matchings
Authors: Dániel Gerbner
Subjects: Combinatorics (math.CO)
[ total of 96 entries: 1-25 | 9-33 | 34-58 | 59-83 | 84-96 ]
[ showing 25 entries per page: fewer | more | all ]

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