4,249 reputation
724
bio website cs.ox.ac.uk/people/…
location Oxford, United Kingdom
age 51
visits member for 4 years
seen 31 mins ago

5h
asked finding dominating cycles in $2K_2$-free graphs
Dec
13
answered finding permutation matrix I which minimizes TRACE( I* C*( I^T)* D) matrix
Nov
9
answered Polynomial-time algorithm for determining whether a polynomial is positive on $\mathbb{N}$
Oct
13
answered For a Sum-of-Squares cost functions J(x) is it true that J(x)-j* is also SOS?
Oct
6
answered Hankel matrix commuting with a Jacobi matrix
Oct
1
answered Regular graphs with strongly regular edge colorings
Sep
22
answered nonnegativity conditions for a polynomial in two variables
Sep
22
answered Complexity of Untwisting Polygons
Aug
30
answered On the positivity of matrices
Aug
25
answered Largest eigenvalue adjacency matrix-link deletion
Aug
24
answered Real solutions for systems of monomial equations
Aug
8
answered Possible degrees of faithful projective representations of $\mathrm{PSL}(k,q)$ and $\mathrm{Sp}(2k,q)$ over complex numbers
Aug
4
answered Software tools for medium-scale systems of polynomial equations
Jul
31
answered centralizer of the order 2^k cyclic permutation matrix over F_2
Jun
30
answered On the Suzuki group
May
26
answered Solving a quadratic matrix equation with non-squared matrix
May
22
answered Correct spelling of names, Chebychev and Cholesky
May
20
answered doubly-stochastic isomorphisms of graphs
May
14
answered Approaches to implicitly defining generating function
May
13
answered adjacency matrix of a graph and lines on quartic surfaces