User Konstantinos Gaitanas

2 votes

What are examples of mathematical concepts named after the wrong people? (Stigler's law)

answered Jun 21, 2023 at 15:34

6 votes

Is a "non-analytic" proof of Dirichlet's theorem on primes known or possible?

answered Aug 22, 2013 at 16:40

4 votes

Harmonic sums and elementary number theory

answered Dec 1, 2019 at 17:26

12 votes

Accepted

Lower density of numbers not summable by consecutive integers

answered Oct 14, 2018 at 13:53

2 votes

Perfect numbers and perfect powers

answered May 5, 2018 at 18:39

12 votes

$1$ as difference of composites with same number of prime factors

answered Mar 22, 2018 at 10:03

9 votes

Nontrivial theorems with trivial proofs

answered May 28, 2016 at 7:53

2 votes

Why such an interest in studying prime gaps?

answered Mar 20, 2016 at 19:02

3 votes

Accepted

Conjectute: no exist an equilateral triangle such that all vertices are integer numbers

answered Mar 19, 2016 at 16:07

21 votes

What advantage humans have over computers in mathematics?

answered Mar 13, 2016 at 10:09

16 votes

Do mathematical objects disappear?

answered Dec 22, 2015 at 19:38

2 votes

Accepted

Diagonal argument for even perfect numbers

answered Dec 8, 2015 at 19:33

3 votes

When is $a^{2^n}+1$ prime finitely often unconditionally?

answered Nov 29, 2015 at 9:54

3 votes

History of Mathematical Notation

answered Nov 28, 2015 at 14:09

7 votes

Accepted

A new result on the Diophantine equation $x^3 + y^3 +z^3 = 3$

answered Nov 25, 2015 at 11:27

4 votes

Special rational numbers that appear as answers to natural questions

answered Sep 14, 2015 at 19:18

1 vote

How many of Ramanujan's discoveries have had a practical application?

answered Jan 13, 2015 at 23:45

1 vote

Looking for a reference to a classical formula for the sum of the base-$b$ digits of an integer

answered Mar 31, 2014 at 19:16

3 votes

Sets whose elements are mutually "weakly" coprime?

answered Dec 25, 2013 at 10:50

14 votes

How can an extremely mathematically talented young person be helped to fulfill his/her potential?

answered Dec 14, 2013 at 12:49

0 votes

Definition of elementary number theory

answered Dec 10, 2013 at 11:53

8 votes

Density of all n such that 2^n-1 is square free

answered Nov 28, 2013 at 17:24

1 vote

The least number of quadratic polynomials needed to cover $[1,N]$

answered Nov 5, 2013 at 13:43

1 vote

Sequences with integral means

answered Nov 2, 2013 at 16:00

2 votes

Defining the slowest divergent series

answered Oct 6, 2013 at 20:05

16 votes

Accepted

Is there an algorithm to solve quadratic Diophantine equations?

answered Sep 23, 2013 at 12:04

4 votes

Generalized quasi-perfect numbers

answered Sep 6, 2013 at 16:46

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27 Answers

What are examples of mathematical concepts named after the wrong people? (Stigler's law)

Is a "non-analytic" proof of Dirichlet's theorem on primes known or possible?

Harmonic sums and elementary number theory

Lower density of numbers not summable by consecutive integers

Perfect numbers and perfect powers

$1$ as difference of composites with same number of prime factors

Nontrivial theorems with trivial proofs

Why such an interest in studying prime gaps?

Conjectute: no exist an equilateral triangle such that all vertices are integer numbers

What advantage humans have over computers in mathematics?

Do mathematical objects disappear?

Diagonal argument for even perfect numbers

When is $a^{2^n}+1$ prime finitely often unconditionally?

History of Mathematical Notation

A new result on the Diophantine equation $x^3 + y^3 +z^3 = 3$

Special rational numbers that appear as answers to natural questions

How many of Ramanujan's discoveries have had a practical application?

Looking for a reference to a classical formula for the sum of the base-$b$ digits of an integer

Sets whose elements are mutually "weakly" coprime?

How can an extremely mathematically talented young person be helped to fulfill his/her potential?

Definition of elementary number theory

Density of all n such that 2^n-1 is square free

The least number of quadratic polynomials needed to cover $[1,N]$

Sequences with integral means

Defining the slowest divergent series

Is there an algorithm to solve quadratic Diophantine equations?

Generalized quasi-perfect numbers