355 reputation
14
bio website boojum.org.uk/maths
location Warwick
age 38
visits member for 3 years, 5 months
seen Jun 4 at 11:32

Jun
2
awarded  Critic
Apr
16
comment the geometric explain of $t = x-\frac{a}{3}$ in the simplify of cubic equation $x^3+ax^2+bx+c=0$
Oops, corrected a minor sign error.
Apr
16
revised the geometric explain of $t = x-\frac{a}{3}$ in the simplify of cubic equation $x^3+ax^2+bx+c=0$
Corrected sign error
Apr
16
answered the geometric explain of $t = x-\frac{a}{3}$ in the simplify of cubic equation $x^3+ax^2+bx+c=0$
Apr
3
comment Proving that a function has no repeated roots
Hint: think about what happens if an irreducible polynomial shares a root with another polynomial.
Jun
25
awarded  Yearling
Jan
4
answered admissible change of variables on elliptic curve
May
4
awarded  Editor
May
4
revised Etale maps are covering maps
Made notation consistent with the question
May
4
answered Etale maps are covering maps
Apr
13
answered Exact sequence of sheaves
Apr
13
awarded  Supporter
Apr
13
awarded  Teacher
Apr
12
answered Line bundles on open subset of projective variety that don't extend over entire variety