On Brenti's conjecture about the log-concavity of the chromatic polynomial Fulltext Access 5 Pages 2012
An explicit formula for the number of permutations with a given number of alternating runs Fulltext Access 5 Pages 2012
Sperner's lemma and zero point theorems on a discrete simplex and a discrete simplotope Fulltext Access 5 Pages 2012
Singular matrices with restricted rows in vector spaces over finite fields Fulltext Access 6 Pages 2012
Cayley graphs of given degree and diameter for cyclic, Abelian, and metacyclic groups Fulltext Access 6 Pages 2012
Tetravalent arc-transitive graphs of order twice a product of two primes Fulltext Access 6 Pages 2012
On the complexity of the edge-disjoint min–min problem in planar digraphs Fulltext Access 6 Pages 2012
Polynomial-time approximation scheme for minimum connected dominating set under routing cost constraint in wireless sensor networks Fulltext Access 6 Pages 2012
Completing a combinatorial proof of the rigidity of Sturmian words generated by morphisms Fulltext Access 6 Pages 2012