Commutativity conditions for groups arising from acyclic directed graphs and posets Fulltext Access 7 Pages 2011
A generalization of Meshulam’s theorem on subsets of finite abelian groups with no 3-term arithmetic progression (II) Fulltext Access 7 Pages 2011
Nonexistence of exceptional imprimitive QQ-polynomial association schemes with six classes Fulltext Access 7 Pages 2011
Computing and estimating the number of nn-ary Huffman sequences of a specified length Fulltext Access 7 Pages 2011
The k-independence number of direct products of graphs and Hedetniemi's conjecture Fulltext Access 7 Pages 2011
A sufficient condition for the existence of an anti-directed 2-factor in a directed graph Fulltext Access 7 Pages 2011
Independent sets and non-augmentable paths in arc-locally in-semicomplete digraphs and quasi-arc-transitive digraphs Fulltext Access 7 Pages 2011
Linear connectivity forces large complete bipartite minors: An alternative approach Fulltext Access 7 Pages 2011
On the existence of total dominating subgraphs with a prescribed additive hereditary property Fulltext Access 7 Pages 2011
A combinatorial approach to height sequences in finite partially ordered sets Fulltext Access 7 Pages 2011
The sum of the distances between the leaves of a tree and the ‘semi-regular’ property Fulltext Access 7 Pages 2011
Optimal algorithms for online scheduling on parallel machines to minimize the makespan with a periodic availability constraint Fulltext Access 7 Pages 2011
On super 2-restricted and 3-restricted edge-connected vertex transitive graphs Fulltext Access 7 Pages 2011
A construction of imprimitive symmetric graphs which are not multicovers of their quotients Fulltext Access 7 Pages 2011
On the hardness of finding near-optimal multicuts in directed acyclic graphs Fulltext Access 8 Pages 2011
Efficient algorithms for consensus string problems minimizing both distance sum and radius Fulltext Access 8 Pages 2011
A Furstenberg–Katznelson–Weiss type theorem on (d+1)(d+1)-point configurations in sets of positive density in finite field geometries Fulltext Access 8 Pages 2011
Bounded coloring of co-comparability graphs and the pickup and delivery tour combination problem Fulltext Access 8 Pages 2011
Nearly Kirkman triple systems of order 18 and Hanani triple systems of order 19 Fulltext Access 8 Pages 2011
Maximal and minimal entry in the principal eigenvector for the distance matrix of a graph Fulltext Access 8 Pages 2011
The signless Laplacian spectral radius of bicyclic graphs with prescribed degree sequences Fulltext Access 8 Pages 2011
Adjoint polynomials of bridge–path and bridge–cycle graphs and Chebyshev polynomials Fulltext Access 8 Pages 2011