H A Helfgott's user avatar
H A Helfgott's user avatar
H A Helfgott's user avatar
H A Helfgott
  • Member for 14 years, 5 months
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6 votes
0 answers
265 views

*Why* is Bombieri-Pila uniform?

6 votes
1 answer
374 views

Tight error terms for partial sums $\sum_{n\leq x} 1/n^s$

6 votes
1 answer
478 views

Rank and frequency of permutations

6 votes
0 answers
230 views

Degree of the graph of the product map

6 votes
1 answer
304 views

"Almost-ideals" in the (simple) Lie algebra of an algebraic group?

6 votes
3 answers
850 views

Decoupling, efficient congruencing and Vinogradov's main theorem

6 votes
1 answer
198 views

Counting promenades on graphs

6 votes
1 answer
399 views

Permutations, skew-symmetric forms and degeneracy

6 votes
2 answers
471 views

Rank mod $p$ of a non-singular matrix with given determinant

6 votes
0 answers
323 views

Cheap bound on $\zeta'(s)/\zeta(s)$ or $L'(s,\chi)/L(s,\chi)$?

6 votes
1 answer
463 views

Holomorphic extensions of a non-vanishing real-analytic function

6 votes
1 answer
445 views

Primitive, non-2-transitive groups with very large orbitals?

6 votes
1 answer
434 views

Fast construction of straight line programs?

6 votes
0 answers
210 views

Solving polynomial equations modulo $1$

6 votes
3 answers
613 views

Simple lie algebras, (almost-)simple groups of Lie type

6 votes
2 answers
425 views

If many orthogonal vectors are respected (somewhat), are there many eigenvectors with large eigenvalues?

6 votes
4 answers
1k views

When is a map given by a word surjective?

6 votes
2 answers
3k views

Centralisers in the symmetric group

6 votes
1 answer
2k views

Max of Fourier transform?

5 votes
1 answer
553 views

Uncertainty principle (really for Mellin, but never mind that!)

5 votes
0 answers
493 views

Parabolic cylinder functions - explicit estimates?

5 votes
0 answers
203 views

Polynomials representing locally constant functions

5 votes
0 answers
292 views

Quotients of an extension of the Higman group

5 votes
2 answers
899 views

$B(\chi), L'(1,\chi)/L(1,\chi),\dotsc$

5 votes
4 answers
445 views

Number of tree walks of bounded degree

5 votes
1 answer
325 views

Polynomial approximation (in $L^1$ norm) at minimal cost

5 votes
0 answers
156 views

Minimizing total variation

5 votes
2 answers
311 views

How does multiplication affect degrees?

5 votes
1 answer
329 views

Sets $A$ stable under $(x,f(x))\mapsto x+f(x)$

5 votes
1 answer
647 views

Number of permutations that are products of disjoint cycles of distinct length

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