What is a Young tableau?
What majority decisions are possible
What majority decisions are possible
What majority decisions are possible with possible abstaining
What power of two divides a weighted Catalan number?
When do the r-by-r minors of a matrix form a tropical basis?
When do the recession cones of a polyhedral complex form a fan?
When do two planted graphs have the same cotransversal matroid?
When does the associated graded Lie algebra of an arrangement group decompose?
When does the K_4-free process stop?
When Does the Positive Semidefiniteness Constraint Help In Lifting Procedures
When does the top homology of a random simplicial complex vanish?
When is 0.999... equal to 1?
When is a Tensor Product of Circulant Graphs Circulant?
When is ch(K(m,n))=m-1?
When is the Direct Product of Generalized Mycielskians a Cover Graph?
When the orbit algebra of group is an integral domain? Proof of a conjecture of P.J. Cameron
Where do power laws come from?
Where the monotone pattern (mostly) rules
Which Digraphs with Ring Structure are Essentially Cyclic?