Max Alekseyev's user avatar
Max Alekseyev's user avatar
Max Alekseyev's user avatar
Max Alekseyev
  • Member for 13 years, 9 months
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68 votes
1 answer
3k views

Iterations of $2^{n-1}+5$: the strong law of small numbers, or something bigger?

59 votes
3 answers
5k views

Relaxed Collatz 3x+1 conjecture

25 votes
3 answers
1k views

Removal of non-isomorphic edges results in the same graph

15 votes
3 answers
600 views

Maximum matching in a graph with no "shortcuts"

11 votes
1 answer
2k views

Integer values of a rational function

11 votes
1 answer
532 views

When adding a constant makes a multivariate polynomial reducible?

10 votes
2 answers
753 views

When polynomial f(x^2) can be factored as g(x)·g(-x) ?

10 votes
2 answers
485 views

Explicit expression for recursive sums

8 votes
2 answers
1k views

Expression for the sum of square roots of zeros of a polynomial

7 votes
4 answers
988 views

Minimal representation of a polynomial as a linear combination of squares

7 votes
3 answers
436 views

A hypergeometric identity related to Bessel functions

7 votes
0 answers
79 views

Generalization of Lucas sequences to order 3 (and above)

6 votes
0 answers
108 views

Equivalence of primes based on the partition of their Pisano periods

6 votes
1 answer
291 views

Representing a symmetric polynomial as a conical sum of squares

6 votes
1 answer
295 views

Explicit expression for recursive sums - II

6 votes
1 answer
454 views

Solving equations in a subset of rational numbers

5 votes
1 answer
1k views

A (known?) hypergeometric identity

5 votes
1 answer
102 views

Maximal graphs with a property that is invariant w.r.t. vertex removal

5 votes
2 answers
327 views

Reliability of ILP approach to number-theoretic optimization

4 votes
0 answers
293 views

Identities for powers of functions based on generalization of Lagrange interpolation

3 votes
0 answers
231 views

When polynomial f(t+1/t) can be factored as g(t)·g(1/t)?

3 votes
0 answers
133 views

Recover cyclotomic integer with bounded coefficients from its known associate

2 votes
0 answers
91 views

Symmetric polynomial constructed from symmetric group

2 votes
0 answers
58 views

Combining (generalized) Polya enumeration with invariant properties

2 votes
0 answers
255 views

Efficient counting of Egyptian fractions with bounded denominators

1 vote
2 answers
321 views

Transformation of a bivariate polynomial into a homogeneous one

1 vote
1 answer
73 views

rank minimization over vector subsets

1 vote
0 answers
131 views

3D generalization of Gaussian q-binomial coefficient

1 vote
0 answers
40 views

Compute 01-vectors in the orbit of a given vector wrt a finitely-generated abelian subgroup of SL(n,ℤ)

1 vote
0 answers
35 views

Uniform cover of the symmetric group by "multiples" of its subset