Volume 32, Number 1, January 2011
: The maximum number of atoms of Bruhat intervals in the symmetric groups.
: On Chvátal's conjecture and a conjecture on families of signed sets.
Volume 32, Number 2, February 2011
, Rie Tanaka
: Nonexistence of exceptional imprimitive Q-polynomial association schemes with six classes.
Craig E. Larson
: The critical independence number and an independence decomposition.
, Imed Zaguia
: Commutativity conditions for groups arising from acyclic directed graphs and posets.
: A one-parameter deformation of the Farahat-Higman algebra.
Volume 32, Number 3, April 2011
: Maltsev digraphs have a majority polymorphism.
: On perfect codes in Cartesian products of graphs.
Tsz Ho Chan
: On sets of integers, none of which divides the product of k others.
Volume 32, Number 4, May 2011
: The weighted hook-length formula II: Complementary formulas.
: The tau constant and the discrete Laplacian matrix of a metrized graph.
Volume 32, Number 5, July 2011
Douglas B. West
: A short proof of the Berge-Tutte Formula and the Gallai-Edmonds Structure Theorem.
Volume 32, Number 6, August 2011
: Binary nullity, Euler circuits and interlace polynomials.
Volume 32, Number 7, October 2011
: The minimum size of 3-graphs without a 4-set spanning no or exactly three edges.
: Limits of kernel operators and the spectral regularity lemma.
: The fractional version of Hedetniemi's conjecture is true.
Volume 32, Number 8, November 2011
Le Anh Vinh
: The Szemerédi-Trotter type theorem and the sum-product estimate in finite fields.
James G. Oxley
: On bipartite restrictions of binary matroids.
: On the Hadwiger numbers of starlike disks.
: The duality index of oriented regular hypermaps.
: The k-independence number of direct products of graphs and Hedetniemi's conjecture.
Bart De Bruyn
: The hyperplanes of finite symplectic dual polar spaces which arise from projective embeddings.