Báo cáo toán học: " A Purely Combinatorial Proof of the Hadwiger Debrunner (p, q) Conjectur"

Báo cáo toán học: "A combinatorial proof of a formula for Betti numbers of a stacked polytope"

8 p | 81 | 4

Báo cáo toán học: "A Note on Divisibility of the Number of Matchings of a Family of Graphs"

4 p | 55 | 4

Báo cáo toán học: "A Gessel–Viennot-Type Method for Cycle Systems in a Directed Graph"

28 p | 34 | 4

Báo cáo toán học: "A combinatorial derivation with Schr¨der paths of a o determinant representation of Laurent biorthogonal polynomials"

20 p | 40 | 3

Báo cáo toán học: "A note on a problem of Hilliker and Straus"

8 p | 48 | 3

Báo cáo toán học: "a matrix representation of graphs and its spectrum as a graph invariant"

14 p | 57 | 3

Báo cáo toán học: "A density result for random sparse oriented graphs and its relation to a conjecture of Woodall"

10 p | 48 | 3

Báo cáo toán học: "A ‘nice’ bijection for a content formula for skew semistandard Young tableaux"

13 p | 42 | 2

Báo cáo toán học: "A Tur´n Type Problem Concerning the Powers of the a Degrees of a Graph"

14 p | 43 | 2