Lviv Scottish Book's user avatar
Lviv Scottish Book's user avatar
Lviv Scottish Book's user avatar
Lviv Scottish Book
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114 votes
4 answers
25k views

Is the series $\sum_n|\sin n|^n/n$ convergent?

50 votes
7 answers
3k views

Dividing a cake between $n-1$, $n$, or $n+1$ guests

36 votes
3 answers
2k views

The roots of unity in a tensor product of commutative rings

21 votes
0 answers
425 views

Straight-line drawing of regular polyhedra

15 votes
2 answers
671 views

On sums of independent random variables in Banach spaces

13 votes
2 answers
658 views

An inequality for expected value of normally distributed variables

11 votes
0 answers
255 views

A ZFC-example of a countably compact paratopological group which is not a topological group

11 votes
0 answers
153 views

Embedding of regular spaces in countably compact Hausdorff spaces

10 votes
0 answers
226 views

Norm-attaining operators with values in a 2-dimensional Hilbert space

10 votes
0 answers
215 views

Extremal bases in finite-dimensional Banach spaces

9 votes
0 answers
154 views

Minimal number of colours in distinguishing colouring of biconnected graphs

9 votes
0 answers
179 views

Is each Peano continuum a topological fractal?

8 votes
0 answers
162 views

A basis of the Banach space $L^p(\mathbb T^\omega)$ consisting of characters

8 votes
0 answers
157 views

Complemented subspaces of $C(\beta\mathbb N\times \beta\mathbb N)$

8 votes
0 answers
369 views

Baire category of tall ideals

7 votes
1 answer
404 views

Drawing trees on small number of lines in 2D and 3D

7 votes
1 answer
262 views

The maximal number of copies of a graph $T$ in an $H$-free graph

7 votes
0 answers
120 views

Does the problem of recognizing 3DORG-graphs have polynomial complexity?

7 votes
4 answers
1k views

Find a formula for the recurrent sequence $q_{n+1}=q_n(q_n+1)+1$

6 votes
1 answer
374 views

Pontriagin reflexivity of the character group

6 votes
1 answer
137 views

Minimizing the number of segments in drawings of planar graphs

6 votes
1 answer
476 views

Is there an almost strongly zero-dimensional space which is not strongly zero-dimensional

6 votes
0 answers
130 views

Mazur-Ulam bases in finite-dimensional Banach spaces

5 votes
0 answers
95 views

Partitioning the set of Pauli words into abelian pieces

5 votes
0 answers
136 views

Copies of $\ell_\infty^k$ in subspaces of the space of operators between $n$-dimensional Banach spaces

5 votes
0 answers
110 views

Free topological groups as smooth infinite-dimensional manifolds

5 votes
0 answers
84 views

Problem to efficiently compute the Volume of $d$ anchored 4D cuboids

5 votes
0 answers
266 views

An integral trigonometric inequality

5 votes
1 answer
122 views

Extending colouring of graphs using small number of colours

5 votes
0 answers
243 views

Automorphic Banach spaces