Journal of Combinatorics

Volume 5 (2014)

Number 2

Contents

Sidon sets and graphs without 4-cycles

Michael Tait and Craig Timmons

pp. 155-165

The $q = -1$ phenomenon via homology concentration

P. Hersh, J. Shareshian, and D. Stanton

pp. 167-194

Harmonic vectors and matrix tree theorems

Siddhartha Sahi

pp. 195-202

Log-concavity of the genus polynomials for a sequence of cubic Halin graphs

Jonathan L. Gross, Toufik Mansour, and Thomas W. Tucker

pp. 203-233

Degree of regularity of linear homogeneous equations and inequalities

Kavish Gandhi, Noah Golowich, and László Miklós Lovász

pp. 235-243

An edge-weighted hook formula for labelled trees

Valentin Féray, I. P. Goulden, and Alain Lascoux

pp. 245-269