Max Alekseyev's user avatar
Max Alekseyev's user avatar
Max Alekseyev's user avatar
Max Alekseyev
  • Member for 13 years, 9 months
  • Last seen this week
3 votes
Accepted

Compare AM and GM

3 votes

Closed form of $ \sum_{k_{j-1}=0}^{k_j}....\sum_{k_1=0}^{k_2} \sum_{k=0}^{k_1} k^m $ as a polynomial in $k_j$?

3 votes
Accepted

Closed formula for reversion of Jacobi theta series

3 votes

Number of ways of distributing indistinguishable balls into distinguishable boxes with extra givens

3 votes

The sequence $a(n)=(2^n \bmod p)^{p-1} \bmod p^2$

3 votes

Are there any solutions to this congruence system

3 votes
Accepted

Maximum number of subsets in which people co-exist with their friends

3 votes

Is there a simple proof that $Ax^3+By^3=C$ has only finitely many integer solutions

3 votes
Accepted

Finding Motzkin's original paper on copositive quadratic forms

3 votes
Accepted

What is the cardinality of the set of Dyck natural numbers of semilength $k$?

3 votes
Accepted

How to solve a system of nonlinear equation, with y known and x or its coefficients unknown?

3 votes
Accepted

Diophantine equations that involve Gregory coefficients: a computational exercise

3 votes

How to do a multinomial theorem sum faster

3 votes
Accepted

Terminology and approximation to logarithm of a sum of products of binomial coefficients

3 votes

Roots of polynomials of particular type

3 votes

Approximating by incrementing positive integers

3 votes

How to find a random cycle in a large graph?

3 votes
Accepted

Inductively computing Mersenne primes / perfect numbers?

3 votes

When is alternating sum $\sum_{i}f(a_i)-\sum_{i<j}f(a_i+a_j)+\ldots+(-1)^{n-1}f(a_1+\ldots+a_n)$ always positive?

3 votes
Accepted

Ratios of polynomials and derivatives under a certain functional

3 votes
Accepted

Vectors with minimal Hamming weight in a rational vector space?

3 votes
Accepted

Why does this "factorial sequence" appear in the OEIS?

3 votes
Accepted

Least modulus distinguishing some integers

3 votes

Complexity of a Fibonacci numbers discrete log variation

3 votes
Accepted

Constructing an integer with small residues for two distinct primes in polynomial time

3 votes

Fastest way to solve non-negative linear diophantine equations

3 votes
Accepted

Runs of consecutive numbers all of which are Murthy numbers

3 votes

What is the highest power of 2 that divides $3^y(2z-1)-1$?

3 votes
Accepted

Does anyone have ideas about how to simplify this combinatorial expression (mod 2)?

3 votes
Accepted

Maximum number of distinct $n$-runs that binary sequence of length $2^n$ can have

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