User Asterios Gkantzounis

20 votes

4 answers

2k views

Covering $\mathbb{N}$ with prime arithmetic progressions

asked Nov 9, 2011 at 15:51

19 votes

2 answers

4k views

Is this a (well known) open problem?(infinitness and more on $anm \pm n\pm m$ )

asked Dec 16, 2010 at 14:01

12 votes

1 answer

741 views

Happy new semiprime after prime year!

asked Jan 2, 2018 at 20:05

11 votes

2 answers

4k views

Binary representation of powers of 3

asked Mar 27, 2012 at 17:59

11 votes

2 answers

982 views

Is the $n$-th prime $p_n$ expressible as the difference of coprime $A, B$ such that the set of prime divisors of $AB$ is $\{p_1, \dots, p_{n-1}\}$?

asked Mar 9, 2013 at 12:11

9 votes

3 answers

2k views

question in prime numbers

asked Dec 14, 2010 at 16:26

8 votes

1 answer

845 views

Total chromatic number and bipartite graphs

asked Feb 22, 2017 at 21:21

7 votes

2 answers

514 views

Algorithm for least distance of powers of integers

asked Jan 22, 2011 at 15:28

7 votes

2 answers

1k views

Lower bound of the number of relatively primes(each-other) in an interval

asked Feb 20, 2011 at 19:32

6 votes

2 answers

2k views

What is the shortest proof of the existence of a prime between $p$ and $p^2$ ? other examples? [closed]

asked Jan 14, 2011 at 11:05

6 votes

2 answers

2k views

Generalising Dirichlet's theorem in arithmetic progressions-prime combinatorics

asked Nov 26, 2011 at 1:50

5 votes

3 answers

638 views

Invariants on matrices

asked Mar 29, 2011 at 17:16

4 votes

1 answer

302 views

Ihara zeta and chromatic number of graphs

asked Jan 7, 2013 at 16:15

4 votes

1 answer

2k views

form of primes:prime plus a power of 2?

asked Dec 18, 2010 at 10:08

4 votes

5 answers

2k views

residue classes of primes, covering intervals and bounds on the different ways

asked Mar 6, 2011 at 13:18

3 votes

1 answer

185 views

Primes and ihara zeta function on graphs

asked Aug 28, 2013 at 10:23

2 votes

1 answer

1k views

Covering Systems of infinite sets of residue classes mod primes

asked Jan 15, 2011 at 11:09

1 vote

0 answers

418 views

Recursive algorithm for integration of complex functions

asked Feb 2, 2011 at 23:20

1 vote

0 answers

123 views

Sparse sets of numbers with the Goldbach property

asked Mar 10, 2015 at 17:30

-4 votes

1 answer

2k views

Is this equivalent to Goldbach's conjecture?

asked Feb 8, 2011 at 9:18

Stack Exchange Network

20 Questions

Covering $\mathbb{N}$ with prime arithmetic progressions

Is this a (well known) open problem?(infinitness and more on $anm \pm n\pm m$ )

Happy new semiprime after prime year!

Binary representation of powers of 3

Is the $n$-th prime $p_n$ expressible as the difference of coprime $A, B$ such that the set of prime divisors of $AB$ is $\{p_1, \dots, p_{n-1}\}$?

question in prime numbers

Total chromatic number and bipartite graphs

Algorithm for least distance of powers of integers

Lower bound of the number of relatively primes(each-other) in an interval

What is the shortest proof of the existence of a prime between $p$ and $p^2$ ? other examples? [closed]

Generalising Dirichlet's theorem in arithmetic progressions-prime combinatorics

Invariants on matrices

Ihara zeta and chromatic number of graphs

form of primes:prime plus a power of 2?

residue classes of primes, covering intervals and bounds on the different ways

Primes and ihara zeta function on graphs

Covering Systems of infinite sets of residue classes mod primes

Recursive algorithm for integration of complex functions

Sparse sets of numbers with the Goldbach property

Is this equivalent to Goldbach's conjecture?