User Peter Taylor

5 votes

Are there infinitely many "generalized triangle vertices"?

answered Nov 13, 2021 at 16:34

5 votes

Accepted

Bijectively counting labeled trees by number of leaves

answered Mar 30, 2022 at 23:07

5 votes

Finite field special functions

answered Aug 22, 2019 at 9:00

4 votes

Computation of a minimal polynomial

answered Sep 4, 2017 at 7:50

4 votes

upper bound for the number of integer solutions of a special equation

answered May 13, 2021 at 11:15

4 votes

Accepted

Can a polynomial be evaluated from evaluations of partial interpolations? (Or: can the unique solution of congruences be written in a certain way?)

answered May 14, 2021 at 11:06

4 votes

Accepted

Periodic Gauss hypergeometric function

answered Jul 8, 2021 at 15:17

4 votes

Accepted

How many Hamming spheres of radius 1 does it take to cover the cube?

answered Jun 16, 2021 at 23:07

4 votes

Non-trivial solution to $\sum^{n}_{i=1}\sum^{n}_{j=1,j\ne i}(x_{i})^{(x_j)}=(\sum^{n}_{i=1}x_i)^{(\sum^{n}_{i=1}x_i)}$

answered Jun 26, 2021 at 16:38

4 votes

Accepted

Succinct polynomial sized representation of balanced bipartite graphs whose perfect matching count is a primorial

answered Aug 10, 2021 at 7:47

4 votes

Accepted

Another combinatorial identity

answered Mar 11, 2022 at 10:12

4 votes

Accepted

What is the number of finite Dynkin systems?

answered Oct 21, 2021 at 12:44

4 votes

Graph on $\mathbb{N}$ where almost every vertex is shy

answered Mar 8 at 7:55

4 votes

Question in a paper by Erdős on divisibility properties of central binomial coefficient

answered Oct 18, 2023 at 15:46

4 votes

Accepted

Property of some permutations of non-negative integers such that $a(n)<2^k$ iff $n<2^k$

answered Oct 4, 2023 at 8:15

4 votes

Accepted

Find a finite semimodular poset such that

answered Apr 3 at 12:09

4 votes

Accepted

Correctness of the algorithm for the A329369, A347205 and related sequences

answered May 7 at 11:41

4 votes

Vanishing of a product of cyclotomic polynomials in characteristic 2

answered Jan 18, 2023 at 14:46

4 votes

Sum of divisors and LCM in determinants

answered Jul 12, 2022 at 15:34

4 votes

Accepted

Periodic sequences of integers generated by $a_{n+1}=\frac{\operatorname{rad}(pa_{n})}{p}+\frac{\operatorname{rad}(qa_{n-1})}{q}$

answered May 20, 2022 at 23:23

3 votes

Accepted

Determinant of matrix with Stirling numbers as elements

answered May 27, 2022 at 9:10

3 votes

$a(16n+k)=b(16n+k)-c(16n)$ for $n\geqslant0$, $0 < k < 16$ where $c(n)=b(n)-a(n)$

answered May 30, 2022 at 10:45

3 votes

Vandermonde $V_n$ mod $n$

answered Jun 27, 2022 at 22:02

3 votes

How can I convert Meissel's/Lehmer's formula for prime counting to get sum of primes

answered Sep 16, 2022 at 7:41

3 votes

Accepted

Determining if a polygon is convex using relations on orientation of each ordered triple of points

answered Jul 29, 2022 at 11:10

3 votes

Seeking an integral formulation for an algebraic function

answered Aug 4, 2022 at 10:20

3 votes

Accepted

A similar relationship between the generic cubic and the Lehmer quintic?

answered Jan 20, 2023 at 13:13

3 votes

Operation preserving log-concavity of sequences

answered Jun 20, 2023 at 8:43

3 votes

Accepted

Hamiltonian path in total graph

answered Apr 14, 2023 at 11:25

3 votes

Optimal schedule for a soccer tournament

answered Apr 26, 2023 at 14:44

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138 Answers

Are there infinitely many "generalized triangle vertices"?

Bijectively counting labeled trees by number of leaves

Finite field special functions

Computation of a minimal polynomial

upper bound for the number of integer solutions of a special equation

Can a polynomial be evaluated from evaluations of partial interpolations? (Or: can the unique solution of congruences be written in a certain way?)

Periodic Gauss hypergeometric function

How many Hamming spheres of radius 1 does it take to cover the cube?

Non-trivial solution to $\sum^{n}_{i=1}\sum^{n}_{j=1,j\ne i}(x_{i})^{(x_j)}=(\sum^{n}_{i=1}x_i)^{(\sum^{n}_{i=1}x_i)}$

Succinct polynomial sized representation of balanced bipartite graphs whose perfect matching count is a primorial

Another combinatorial identity

What is the number of finite Dynkin systems?

Graph on $\mathbb{N}$ where almost every vertex is shy

Question in a paper by Erdős on divisibility properties of central binomial coefficient

Property of some permutations of non-negative integers such that $a(n)<2^k$ iff $n<2^k$

Find a finite semimodular poset such that

Correctness of the algorithm for the A329369, A347205 and related sequences

Vanishing of a product of cyclotomic polynomials in characteristic 2

Sum of divisors and LCM in determinants

Periodic sequences of integers generated by $a_{n+1}=\frac{\operatorname{rad}(pa_{n})}{p}+\frac{\operatorname{rad}(qa_{n-1})}{q}$

Determinant of matrix with Stirling numbers as elements

$a(16n+k)=b(16n+k)-c(16n)$ for $n\geqslant0$, $0 < k < 16$ where $c(n)=b(n)-a(n)$

Vandermonde $V_n$ mod $n$

How can I convert Meissel's/Lehmer's formula for prime counting to get sum of primes

Determining if a polygon is convex using relations on orientation of each ordered triple of points

Seeking an integral formulation for an algebraic function

A similar relationship between the generic cubic and the Lehmer quintic?

Operation preserving log-concavity of sequences

Hamiltonian path in total graph

Optimal schedule for a soccer tournament