5,211 reputation
829
bio website cs.ox.ac.uk/people/…
location Oxford, United Kingdom
age 51
visits member for 4 years, 5 months
seen 20 hours ago

Apr
24
reviewed Leave Closed Singularities in minimal surfaces
Apr
24
reviewed No Action Needed On the centroid of a triangle
Apr
24
reviewed Close What would an ideal mathematical note-taking/organizer/PIM software look like?
Apr
24
reviewed Close Animating a unitary transform
Apr
24
reviewed Close Does every group that satisfies the maximal permutizer condition then satisfy the permutizer condition?
Apr
24
reviewed Close LU growth factor applied to LDL of a Positive Semidefinite matrix
Apr
24
reviewed Leave Closed On Bohr-MollerupTheorem
Apr
24
reviewed Close Notation for the all-ones vector
Apr
24
reviewed Close Minimum number of real multiplications to multiply two quaternions
Apr
24
reviewed Close Does “equalisers always closed” imply $T_2$?
Apr
24
comment A digraph related to permutations
takes 0.5 sec on my laptop (n is the number after $6!^{720}$)
Apr
24
comment A digraph related to permutations
sage: factor(n) 2^307 * 3^120 * 5^19 * 7^128 * 11 * 13^3 * 19^44 * 31 * 43^44 * 47 * 61 * 113^6 * 127 * 131 * 139^2 * 241 * 1031 * 1481^2 * 1531 * 1621^2 * 1699^2 * 2801^3 * 5147 * 10607 * 47917^2 * 90803^2 * 548521 * 685367 * 2460593 * 47389957 * 2920679263^2 * 8428156447^2 * 216271121699 * 285106814092712039^2
Apr
23
comment Ordered lattice point enumeration
@SteveHuntsman - LattE will only count the points
Apr
23
reviewed Reviewed Simple RK4 measure of a force in 2nd order ODE
Apr
23
reviewed Close Reflexive sheaves on stable curves-II
Apr
23
reviewed Close Reflexive sheaf on normal surfaces
Apr
23
reviewed Close Base change of regular schemes
Apr
23
comment A digraph related to permutations
actually, I wonder if BEST really applies, as $P_n$ has degree $n$, whereas for BEST one would want degree $n+1$, at least naively.
Apr
22
reviewed Close Factorial of 3/2?
Apr
22
reviewed Close Common roots of polynomial and its derivative