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If you have any good math exercises to share feel free to contribute them on http://exwiki.org


Sep
10
revised Find all simple graphs with exactly one pair of vertices with the same degree.
edited body
Sep
4
revised example of graph such that deleting any edge couses lack of automorphism
added 6 characters in body
Aug
14
revised Gallai & Milgram path covers theorem from Diestel
added 1 character in body
Jul
16
revised Chromatic number of generalized hypercube
added 216 characters in body
Jul
16
revised Chromatic number of generalized hypercube
added 299 characters in body
May
12
revised Eigenvalues of the distance-k graph of a graph
added 561 characters in body
May
10
revised Eigenvalues of the distance-k graph of a graph
deleted 5 characters in body
May
10
revised Eigenvalues of the distance-k graph of a graph
added 12 characters in body
May
10
revised Eigenvalues of the distance-k graph of a graph
added 107 characters in body
May
10
revised Eigenvalues of the distance-k graph of a graph
added 387 characters in body
May
2
revised Even bi-coloring of regular graphs
added 155 characters in body
Apr
10
revised Primality of the number of obtained by concatenating the n consecutive digits
edited body
Apr
1
revised Relating the number of partitions with ordered blocks
edited body
Mar
30
revised Relating the number of partitions with ordered blocks
edited title
Mar
8
revised How to plot the graph of the function $Re(η(s))$
not a question from graph theory
Mar
3
revised Number of edges in graphs having two disjoint cycles of equal length
added 21 characters in body
Feb
24
revised Finding graphs with a given number of spanning trees
deleted 2 characters in body
Feb
24
revised Finding graphs with a given number of spanning trees
added 202 characters in body
Jan
19
revised Chromatic polynomial of a grid graph
deleted 2 characters in body
Jan
19
revised Chromatic polynomial of a grid graph
added 144 characters in body