Includes index.

Contents: Rank functions of fuzzy greedoids. -- On the signed domination number of the Cartesian product of two directed cycles. -- A combinatorial analysis of tree-like sentences. -- Independence number in trees. -- Every tiling of the first quadrant by Ribbon L n-Ominoes follows the rectangular pattern. -- Combinatorial interpretation of Raney numbers and tree enumerations. -- Generalized legendre-stirling numbers. -- On a 3-way combinatorial identity. -- The antimedian function on paths. -- Classification of the subsets Bn, and the aditive channels. -- Some results on prime labeling. -- Closure for spanning trees with K-ended stems. -- The paired assignment problem. -- Symmetric identities from an invariant in partition conjugation and their applications in q-Series. -- New bounds on tenacity of graphs with small genus. -- The number of digraphs with cycles of length k. -- Equidistribution in sharing games. -- General cyclic orthogonal double covers of finite regular circulant graphs. -- Balance in random trees. -- Knight's tours on 3x n chessboards with a single square removed. -- Reverse total signed vertex domination in graphs. -- On a number of colors in cyclically interval edge colorings of simple cycles. -- Characterization and construction of permutation graphs. -- A note on a combinatorial conjecture. -- Polynomial generalizations and combinatorial interpretations for sequences including the Fibonacci and Pell numbers. -- Formularless logic function. -- Relations and function.