Question

Number of lattice point inside a circle in general position.

score 323 · Answer 1 · 2022-08-07 21:55:02

323

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Number of lattice point inside a circle in general position.

Published on 07 Aug 2022 - 21:55

score 548 · Answer 2 · 2026-03-25 17:26:27

548

Views

Regular icosahedron with integer vertices

Published on 25 Mar 2026 - 17:26

score 169 · Answer 3 · 2022-08-18 17:46:17

169

Views

Neukirch, Problem 4.4.2

Published on 18 Aug 2022 - 17:46

score 147 · Answer 4 · 2022-08-19 13:10:39

147

Views

Why is the volume of a parallelogram $P$ formed from the unit square $I^2$ with an integer matrix $A$ equal to the number of integer points in $P$?

Published on 19 Aug 2022 - 13:10

score 56 · Answer 5 · 2022-09-04 16:32:05

56

Views

Upperbound on the shortest distance to the lattice

Published on 04 Sep 2022 - 16:32

score 41 · Answer 6 · 2022-09-06 07:53:24

41

Views

Algorithm to determine whether two (Gram) matrices are congruent

Published on 06 Sep 2022 - 7:53

score 51 · Answer 7 · 2022-09-09 16:10:30

51

Views

Find lattice basis given sufficiently many lattice points

Published on 09 Sep 2022 - 16:10

score 55 · Answer 8 · 2022-09-09 22:55:33

55

Views

Can we always complete a shortest nonzero vector in a lattice into a basis of that lattice?

Published on 09 Sep 2022 - 22:55

score 79 · Answer 9 · 2022-09-10 00:48:03

79

Views

How to formally prove that an abelian group generated by $k$ linearly independent vectors $v_1,\cdots, v_k$ in $\mathbb R^d (k\le d)$ is discrete?

Published on 10 Sep 2022 - 0:48

score 52 · Answer 10 · 2022-09-15 23:26:33

52

Views

Lattice basis consisting of minimal vectors

Published on 15 Sep 2022 - 23:26

score 63 · Answer 11 · 2022-09-17 18:27:44

63

Views

What does discrete subgroup spans $ \Bbb{C}$ mean?

Published on 17 Sep 2022 - 18:27

score 175 · Answer 12 · 2022-09-22 19:38:04

175

Views

When lattice is fractional ideal?

Published on 22 Sep 2022 - 19:38

score 57 · Answer 13 · 2026-03-29 07:40:29

57

Views

Convergence of $\sum_{\omega \in \Lambda\setminus \{0\}} \frac{1}{\omega^k}$ for $k > 2$ and any lattice $\Lambda\subset \Bbb C$

Published on 29 Mar 2026 - 7:40

score 120 · Answer 14 · 2022-10-10 13:45:39

120

Views

What $I=$($2,1＋\sqrt{-5}$)$\in \Bbb{Z}[ \sqrt{-5}]$ looks like in $ \Bbb{C}$?

Published on 10 Oct 2022 - 13:45

score 48 · Answer 15 · 2026-03-26 06:05:20

48

Views

Open discrete cones covering cover sphere?

Published on 26 Mar 2026 - 6:05

List Question

Number of lattice point inside a circle in general position.

Regular icosahedron with integer vertices

Neukirch, Problem 4.4.2

Why is the volume of a parallelogram $P$ formed from the unit square $I^2$ with an integer matrix $A$ equal to the number of integer points in $P$?

Upperbound on the shortest distance to the lattice

Algorithm to determine whether two (Gram) matrices are congruent

Find lattice basis given sufficiently many lattice points

Can we always complete a shortest nonzero vector in a lattice into a basis of that lattice?

How to formally prove that an abelian group generated by $k$ linearly independent vectors $v_1,\cdots, v_k$ in $\mathbb R^d (k\le d)$ is discrete?

Lattice basis consisting of minimal vectors

What does discrete subgroup spans $ \Bbb{C}$ mean?

When lattice is fractional ideal?

Convergence of $\sum_{\omega \in \Lambda\setminus \{0\}} \frac{1}{\omega^k}$ for $k > 2$ and any lattice $\Lambda\subset \Bbb C$

What $I=$($2,1＋\sqrt{-5}$)$\in \Bbb{Z}[ \sqrt{-5}]$ looks like in $ \Bbb{C}$?

Open discrete cones covering cover sphere?

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