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Yaakov Baruch

Israel

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Top Questions
42 votes

1 rectangle <= 4 squares

co.combinatorics discrepancy-theory gr.group-theory asked Feb 2, 2010 at 12:14
mathoverflow.net

34 votes

Does any cubic polynomial become reducible through composition with some quadratic?

polynomials galois-theory computational-number-theory asked Jul 15, 2021 at 19:40
mathoverflow.net

20 votes

Splitting Pythagorean triples

nt.number-theory ramsey-theory open-problem asked Oct 18, 2009 at 17:17
mathoverflow.net

19 votes

How to remove Skype menu bar icon from macOS?

macos icon menu-bar skype asked Jan 19, 2020 at 12:54
apple.stackexchange.com

18 votes

Can the positive integers be colored so that elements of same color never add to a square?

nt.number-theory graph-colorings asked Oct 24, 2022 at 0:45
mathoverflow.net

14 votes

Are all well behaved "mean" functions on $\mathbb{R}^+$ equivalent?

mg.metric-geometry real-analysis discrete-geometry computational-geometry asked Dec 22, 2014 at 19:54
mathoverflow.net

11 votes

What can one say about $\sum\limits_{i=1}^\infty \frac{1}{p_{i+1}^2-p_i^2}$?

nt.number-theory analytic-number-theory sequences-and-series asked Apr 6, 2021 at 20:47
mathoverflow.net

10 votes

Is almost every number the sum of two numbers with small radicals?

nt.number-theory additive-combinatorics abc-conjecture asked Jun 10, 2021 at 22:36
mathoverflow.net

10 votes

Mini-$abc$ conjecture

nt.number-theory abc-conjecture asked May 5, 2019 at 12:46
mathoverflow.net

10 votes

Is every positive polynomial the ratio of 2 positive coefficient polynomials?

polynomials inequalities asked May 7 at 13:37
mathoverflow.net

1 2

Top Answers
82
Examples of common false beliefs in mathematics
mathoverflow.net

73
What's your favorite equation, formula, identity or inequality?
mathoverflow.net

18
Extending $\Bbb N$ to a semiring with isomorphic additive and multiplicative structure
mathoverflow.net

15
Why is the billiard problem for obtuse triangles so hard?
mathoverflow.net

13
infinite configuration of lines
mathoverflow.net

12
Associative mean
mathoverflow.net

11
A naive diophantine approximation question
mathoverflow.net

10
1 rectangle <= 4 squares
mathoverflow.net

9
Ideas on how to prevent a department from being shut down.
mathoverflow.net

9
Prime square offsets: Why is +7 more frequent than -7?
mathoverflow.net

9
Positive integers written as $\binom{w}2+\binom{x}4+\binom{y}6+\binom{z}8$ with $w,x,y,z\in\{2,3,\ldots\}$
mathoverflow.net

8
How to deduce an equation from this 3 Diophantine equations with 5 variables?
mathoverflow.net

8
Fair cutting of the plane with lines
mathoverflow.net

8
Polynomial whose values divide $n!$
mathoverflow.net

8
Can $[0,1]^4$ be partitioned into copies of $(0,1)^3$?
mathoverflow.net

8
Are there Monohedra with odd number of faces?
mathoverflow.net

7
If $x_{n+1}= \frac{nx_{n}^2+1}{n+1}$ then $x_{n}=1$
mathoverflow.net

7
Can the thief escape (from a smooth, simple closed curve)?
mathoverflow.net

6
Product of arithmetic progressions
mathoverflow.net

6
Tilting the $d$-cube to vertically separate its vertices
mathoverflow.net

5
Blocking visibility with cylinders
mathoverflow.net

5
What is your favorite "strange" function?
mathoverflow.net

5
Is $\lceil \frac{n}{\sqrt{3}} \rceil > \frac{n^2}{\sqrt{3n^2-5}}$ for all $n > 1$?
mathoverflow.net

5
This inequality why can't solve it by now (Only four variables inequality)?
mathoverflow.net

5
Is there a nonzero solution to this infinite system of congruences?
mathoverflow.net

5
Convex lattice polygons with equal area and perimeter
mathoverflow.net