A simple solution to Ulam's liar game with one lie
A simple symmetry generating operads related to rooted planar $m$-ary trees and polygonal numbers
A simple uniform approach to complexes arising from forests
A simpler characterization of Sheffer polynomial
A simpler proof of the Boros-Füredi-Bárány-Pach-Gromov theorem
A Size Bound for Hamilton Cycles
A Size Upper Bound for Dominating Cycles
A solid angle polynomial with negative coefficients
A solid angle theory for real polytopes
A solution of an equivalence problem for semisimple cyclic codes
A solution to a conjecture on the rainbow connection number
A solution to one of Knuth's permutation problems
A solution to the tennis ball problem
A Space Efficient Algorithm for the Calculation of the Digit Distribution in the Kolakoski Sequence
A special case of Hadwiger's conjecture
A special case of sl(n)-fusion coefficients
A special tiling of the rectangle
A Spectral Approach to Consecutive Pattern-Avoiding Permutations
A spectral condition for odd cycles in graphs
A spectral equivalent condition of the $P$-polynomial property for association schemes