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asked If induced map on homology is surjective, is induced map on cohomology injective?
Nov
30
awarded  Nice Question
Oct
12
awarded  Yearling
May
27
awarded  Popular Question
Jan
8
accepted Are these graphs all bipartite?
Jan
3
asked Are these graphs all bipartite?
Nov
6
awarded  Popular Question
Nov
4
accepted Why can the complete graph $K_{16}$ be partitioned into three copies of the Clebsch graph?
Nov
3
revised Why can the complete graph $K_{16}$ be partitioned into three copies of the Clebsch graph?
deleted the first sentence of answer, since it no longer made sense after I edited / corrected the original question.
Nov
3
suggested approved edit on Why can the complete graph $K_{16}$ be partitioned into three copies of the Clebsch graph?
Nov
3
revised Why can the complete graph $K_{16}$ be partitioned into three copies of the Clebsch graph?
improved finite field definition of Clebsch graph
Nov
2
asked Why can the complete graph $K_{16}$ be partitioned into three copies of the Clebsch graph?
Oct
12
awarded  Yearling
Sep
30
answered crossing number question
Sep
29
accepted Computing a large coefficient in a power series expansion
Sep
28
asked Computing a large coefficient in a power series expansion
Jul
2
awarded  Curious
Apr
14
accepted A characterization of wedges of 1-spheres and 2-spheres?
Apr
11
answered Are these 2 events independent?
Apr
10
asked A characterization of wedges of 1-spheres and 2-spheres?