Jose Arnaldo Bebita Dris's user avatar
Jose Arnaldo Bebita Dris's user avatar
Jose Arnaldo Bebita Dris's user avatar
Jose Arnaldo Bebita Dris
  • Member for 13 years, 5 months
  • Last seen this week
5 votes

Cyclotomic polynomials in combinatorics

4 votes

Not especially famous, long-open problems which higher mathematics beginners can understand

4 votes

Algebraic Attacks on the Odd Perfect Number Problem

4 votes

Computer science for mathematicians

4 votes

"Modern" proof for the Baker-Campbell-Hausdorff formula

3 votes

Elementary+Short+Useful

3 votes

Generalized quasi-perfect numbers

3 votes

Has it been proved that odd perfect numbers cannot be triangular?

2 votes

A conjecture regarding odd perfect numbers

2 votes

Resources where I can find open problems in number theory along with their level of difficulty

2 votes

References for Yang-Mills Theory

2 votes

How do we recognize an integer inside the rationals?

1 vote

Can a number be factored quickly, given the sum of its prime factors?

1 vote
Accepted

Existence of Solutions to an Equation Involving the Sum-of-Divisors Function [Reference Request]

1 vote
Accepted

Short papers in applied probability

1 vote

On odd perfect numbers and a GCD

1 vote
Accepted

Help with R. Ryan's "A simpler dense proof regarding the abundancy Index."

1 vote
Accepted

What can be said about $\gcd(N/q^{\alpha},\sigma(N/q^{\alpha}))$ where $N$ is an odd perfect number and $q^{\alpha} \parallel N$?

1 vote

On odd perfect numbers and a GCD

1 vote

Can $k$ be arbitrarily large in the following equations?

1 vote

Is there an odd integer $x < 105$ for which it is known that $x \nmid N$, if $N$ is an odd perfect number?

0 votes

Improving the lower bound $I(n^2) > \frac{2(q-1)}{q}$ when $q^k n^2$ is an odd perfect number

0 votes
Accepted

Improving the lower bound $I(n^2) > \frac{2(q-1)}{q}$ when $q^k n^2$ is an odd perfect number

0 votes
Accepted

On odd perfect numbers and a GCD - Part III

0 votes
Accepted

If $p^k m^2$ is an odd perfect number with special prime $p$, then under what other conditions on $\sigma(p^k)/2$ does $k=1$ follow?

0 votes
Accepted

Given that $H = \frac{n^2}{\sigma(q^k)/2} = G \times J^2$, where $q^k n^2$ is an odd perfect number, then what is the value of $\gcd(G, J)$?

0 votes

A conjecture regarding odd perfect numbers

0 votes

A conjecture regarding odd perfect numbers

0 votes

What books approach group theory through transformation/permutation groups?

0 votes

For $q$ prime and $\gcd(q, n) = 1$, can $N = qn^2$ be almost perfect?