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Yaakov Baruch's user avatar
Yaakov Baruch's user avatar
Yaakov Baruch's user avatar
Yaakov Baruch
  • Member for 14 years, 9 months
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  • Israel
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82
Examples of common false beliefs in mathematics
Mar 6, 2011
75
What's your favorite equation, formula, identity or inequality?
Feb 8, 2010
42
1 rectangle <= 4 squares
Feb 2, 2010
34
Does any cubic polynomial become reducible through composition with some quadratic?
Jul 15, 2021
20
Splitting Pythagorean triples
Oct 18, 2009
18
Can the positive integers be colored so that elements of same color never add to a square?
Oct 24, 2022
18
Assuming the Collatz conjecture is false, what is known about the size of the false set?
Mar 11
18
Extending $\Bbb N$ to a semiring with isomorphic additive and multiplicative structure
Jul 16, 2017
17
Can the Pythagorean Graph be finitely colored?
Apr 8
16
Why is the billiard problem for obtuse triangles so hard?
Oct 23, 2019
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How to remove Skype menu bar icon from macOS?