User Noam D. Elkies - MathOverflow

Noam D. Elkies

Member for 12 years, 11 months
Last seen this week

math.harvard.edu/~elkies
Harvard University, Cambridge, MA 02138

555 Answers

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6 votes

Where can square roots come from when they are not distances?

answered Mar 14, 2016 at 2:02

6 votes

Accepted

Subsets of a ball/sphere with the largest sum of distances

answered Nov 22, 2020 at 5:02

6 votes

Accepted

A generalization of Lander, Parkin, and Selfridge conjecture

answered Aug 7, 2019 at 21:55

6 votes

Accepted

What does the image of the integer lattice under a norm look like?

answered Nov 6, 2019 at 5:01

6 votes

Funny names of mathematical objects?

answered Apr 7, 2021 at 20:21

6 votes

Accepted

Are two metric spaces isometric if they have the same $\varepsilon$-covering numbers for all $\varepsilon>0$?

answered Mar 4, 2023 at 4:34

6 votes

Why is this bipartite graph a partial cube, if it is?

answered Oct 8, 2022 at 17:06

6 votes

An optimization problem: $\Phi(0)$, $\widehat{\Phi}(0)$, $\Phi$ a majorant

answered Oct 10, 2022 at 1:57

6 votes

How to see that Eisenstein series are eigenfunctions of the laplacian?

answered Feb 7 at 23:37

5 votes

Accepted

A rational distance problem with (possibly) multiple solutions

answered Dec 22, 2023 at 18:19

5 votes

Accepted

heights of ideal classes and reduction theory for Bhargava cubes

answered Apr 15 at 2:29

5 votes

$\min(\det(\mathbf{A}))$ for special matrix $\mathbf{A}$

answered Sep 15, 2022 at 3:48

5 votes

Accepted

$\min(\det(\mathbf{A}))$ for special matrix $\mathbf{A}$

answered Sep 15, 2022 at 8:11

5 votes

Sylvester–Gallai theorem for small sets in a finite field

answered Sep 19, 2022 at 4:14

5 votes

Anomalous phenomena

answered May 26, 2021 at 2:04

5 votes

Anomalous phenomena

answered May 26, 2021 at 2:17

5 votes

Accepted

Linear independence of algebraic integers of equal norm

answered Mar 5, 2021 at 5:21

5 votes

Rediscovery of lost mathematics

answered Jan 1, 2021 at 1:42

5 votes

Accepted

Approximation of a square with an irrational arithmetic progression

answered Dec 21, 2019 at 15:21

5 votes

Accepted

Density of integral points on affine cubic surfaces of a certain type

answered Jul 5, 2020 at 4:15

5 votes

Accepted

P-adic distance between solutions to S-unit equation

answered Jul 7, 2020 at 3:44

5 votes

Mathematical words outside of mathematics

answered Dec 21, 2019 at 16:21

5 votes

Maximum size of $k$-Sidon set over $\mathbb{F}_2^n.$

answered May 10, 2020 at 1:05

5 votes

Is there a way to express an power law decay as a series of exponentials?

answered Oct 8, 2016 at 4:50

5 votes

Accepted

Degree of irrationality and hyperelliptic curves

answered Oct 20, 2016 at 2:34

5 votes

Accepted

The density of diagonal isotropic ternary quadratic forms with respect to discriminant

answered May 1, 2017 at 3:06

5 votes

Accepted

Supersingular elliptic curves with extra automorphisms

answered Aug 12, 2017 at 3:23

5 votes

Consecutive rising sequence of largest prime factors

answered Feb 9, 2017 at 3:28

5 votes

Is this inequality involving the Frobenius norm right?

answered Dec 2, 2017 at 18:24

5 votes

Accepted

An inequality related to area and sidelengths of a polygon $Area(A_1A_2....A_n) \le \frac{1}{n}cotg{\frac{\pi}{n}} \sum_{i=1}^nA_iA_{i+1}^2$

answered Jul 10, 2018 at 3:49

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