622 reputation
611
bio website trungdongcoffee.com
location London, UK
age 32
visits member for 4 years, 2 months
seen Oct 8 '12 at 14:04
PhD student at Queen Mary University in London. Currently researching algebraic aspects of graph polynomials, but widely interested in algebra, combinatorics and topology.

Nov
5
awarded  Favorite Question
Feb
18
awarded  Yearling
Feb
12
awarded  Popular Question
Jul
25
accepted Alternating sums of alternate Stirling numbers
Jul
25
revised Alternating sums of alternate Stirling numbers
deleted 48 characters in body
Jul
25
asked Alternating sums of alternate Stirling numbers
Jun
26
awarded  Teacher
Jun
25
answered Acyclic orientations of complete graphs in terms of Stirling numbers?
Jun
25
asked Acyclic orientations of complete graphs in terms of Stirling numbers?
Jun
17
awarded  Notable Question
Jun
17
revised Changing field of study post-PhD
added 1060 characters in body
Jun
9
accepted Number of spanning subgraphs of $K_n$ with given number of edges and connected components
Jun
9
comment Number of spanning subgraphs of $K_n$ with given number of edges and connected components
Thanks...nice to have a response straight from the horse's mouth, as it were! Especially as a recurrence relation is exactly what I'm looking for... Thankyou Gwyn as well. Lots to think about.
Jun
7
asked Number of spanning subgraphs of $K_n$ with given number of edges and connected components
Apr
27
comment When do the invariant factors of a direct sum of matrices correspond to those of its summands?
Thanks! (Also to Oblomov). Much appreciated.
Apr
27
accepted When do the invariant factors of a direct sum of matrices correspond to those of its summands?
Apr
27
asked When do the invariant factors of a direct sum of matrices correspond to those of its summands?
Feb
19
awarded  Yearling
Feb
15
asked Bounds on numbers of matchings of given sizes in bipartite graphs
Jul
14
comment Changing field of study post-PhD
Thanks Timothy...this is very useful advice.