Journal of Combinatorics

Volume 3 (2012)

Number 4

Contents

Nodal domain and eigenvalue multiplicity of graphs

Hao Xu and Shing-Tung Yau

pp. 609-622

Chain-making games in grid-like posets

Daniel W. Cranston, William B. Kinnersley, Kevin G. Milans, Gregory J. Puleo, and Douglas B. West

pp. 633-649

Proper connection with many colors

Shinya Fujita, Aydin Gerek, and Colton Magnant

pp. 683-693