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0
07-workshop-problems
https://pub.math.leidenuniv.nl/~evertsejh/07-workshop-problems.pdf#page=1
Determine all integer pairs (x, y) that satisfy the Diophantine equation x^2 - x = y^5 - y.
"Determine all pairs of integers $(x, y) \\in \\mathbb{Z} \\times \\mathbb{Z}$ that satisfy the Diop(...TRUNCATED)
Number Theory
Number Theory
Diophantine equations
unknown
"The equation appears as the first open problem in a 2007 Leiden/Lorentz Center workshop problem lis(...TRUNCATED)
"[{\"title\": \"Some open problems about Diophantine equations\", \"url\": \"https://pub.math.leiden(...TRUNCATED)
https://pub.math.leidenuniv.nl/~evertsejh/07-workshop-problems.pdf
["We need to solve the Diophantine equation x^2 - x = y^5 - y over integers. So we want all integer (...TRUNCATED)
[ "stop", "stop", "stop", "stop" ]
[ null, null, null, null ]
[ 57622, 109083, 86733, 104079 ]
[ 55984, 106339, 85985, 101182 ]
1
0704.1689
https://arxiv.org/pdf/0704.1689.pdf#page=2
"Let P(z) be a homogeneous polynomial of degree 4 in C[z] whose Hessian matrix Hes P is nilpotent, s(...TRUNCATED)
"Let n be a positive integer and let C[z] = C[z_1, ..., z_n] denote the polynomial ring in n variabl(...TRUNCATED)
Algebra and Representation Theory
Algebra
Hessian nilpotent polynomials
open
"The statement is the degree-4 Vanishing Conjecture introduced by Wenhua Zhao, shown to be equivalen(...TRUNCATED)
"[{\"title\": \"Hessian Nilpotent Polynomials and the Jacobian Conjecture\", \"url\": \"https://arxi(...TRUNCATED)
https://arxiv.org/abs/math/0409534 https://www.impan.pl/en/publishing-house/journals-and-series/annales-polonici-mathematici/all/93/2/85371/some-properties-of-and-open-problems-on-hessian-nilpotent-polynomials https://arxiv.org/pdf/1308.0674
["We need to analyze the problem.\n\nLet n ≥ 1 (positive integer). C[z] = C[z_1, ..., z_n]. For P (...TRUNCATED)
[ "stop", "stop", "stop", "stop" ]
[ null, null, null, null ]
[ 91769, 83745, 99478, 99754 ]
[ 90495, 82568, 97807, 98293 ]
2
07-workshop-problems
https://pub.math.leidenuniv.nl/~evertsejh/07-workshop-problems.pdf#page=1
"Determine all integer pairs (x, y) for which the binomial coefficients satisfy C(x, 2) = C(y, 5), e(...TRUNCATED)
"Determine all pairs of integers $(x,y)$ satisfying the equation\n$$\\binom{x}{2}=\\binom{y}{5},$$\n(...TRUNCATED)
Number Theory
Number Theory
Diophantine equations with binomial coefficients
solved
"The equation $\\binom{x}{2}=\\binom{y}{5}$ defines a curve of genus 2, which falls outside the elli(...TRUNCATED)
"[{\"title\": \"Elliptic binomial diophantine equations (Stroeker–de Weger)\", \"url\": \"https://(...TRUNCATED)
https://www.ams.org/journals/mcom/1999-68-227/S0025-5718-99-01047-9/ https://arxiv.org/abs/1901.03841
["We need to solve the equation:\n\n\\[\\binom{x}{2} = \\binom{y}{5},\\]\n\nwhere the binomial coeff(...TRUNCATED)
[ "stop", "stop", "stop", "stop" ]
[ null, null, null, null ]
[ 48419, 40977, 45007, 43953 ]
[ 47126, 39706, 43679, 42476 ]
3
0704.1689
https://arxiv.org/pdf/0704.1689.pdf#page=15
"Suppose P(z) is a formal power series in C[[z]] with order at least 2 and with (Hes P)(0) nilpotent(...TRUNCATED)
"Work over the formal power series ring $\\mathbb{C}[[z]] = \\mathbb{C}[[z_1,\\ldots,z_n]]$. For $P((...TRUNCATED)
Algebra and Representation Theory
Algebra
Hessian nilpotent polynomials
unknown
"A web search did not surface a published resolution of this specific question (whether all self-inv(...TRUNCATED)
"[{\"title\": \"Some properties of and open problems on Hessian nilpotent polynomials\", \"url\": \"(...TRUNCATED)
https://www.impan.pl/en/publishing-house/journals-and-series/annales-polonici-mathematici/all/93/2/85371/some-properties-of-and-open-problems-on-hessian-nilpotent-polynomials https://arxiv.org/abs/math/0409534 https://www.sciencedirect.com/science/article/pii/S0022404908000480
["We need to solve the problem: Over formal power series ring C[[z]] with z=(z1,...,zn). For P(z) wi(...TRUNCATED)
[ "stop", "stop", "stop", "stop" ]
[ null, null, null, null ]
[ 83974, 95535, 111902, 90478 ]
[ 82497, 93854, 110072, 88936 ]
4
07-workshop-problems
https://pub.math.leidenuniv.nl/~evertsejh/07-workshop-problems.pdf#page=1
"Extend Ellenberg's approach so as to solve the Diophantine equation x^2 + y^6 = z^n for integers x,(...TRUNCATED)
"For every integer $n \\geq 3$, determine all triples of integers $(x, y, z)$ with $\\gcd(x,y,z)=1$ (...TRUNCATED)
Number Theory
Number Theory
generalized Fermat equations
solved
"The equation $x^2+y^6=z^n$ was resolved by M. A. Bennett and I. Chen in \"Multi-Frey Q-curves and t(...TRUNCATED)
"[{\"title\": \"Multi-Frey Q-curves and the Diophantine equation a^2+b^6=c^n\", \"url\": \"https://p(...TRUNCATED)
https://personal.math.ubc.ca/~bennett/BeCh.pdf https://personal.math.ubc.ca/~bennett/publ.html
["We need to classify all integer solutions (x,y,z) with gcd(x,y,z)=1 and xyz ≠ 0 satisfying x^2 +(...TRUNCATED)
[ "stop", "stop", "stop", "stop" ]
[ null, null, null, null ]
[ 73970, 87018, 93911, 86893 ]
[ 72077, 86253, 92564, 85730 ]
5
07-workshop-problems
https://pub.math.leidenuniv.nl/~evertsejh/07-workshop-problems.pdf#page=1
"Determine whether one can solve the Diophantine equation x^2 - 2 = y^p for integers x and y and for(...TRUNCATED)
"Determine all integer solutions $(x, y, p)$ with $p$ a prime number satisfying $p \\geq 3$ to the e(...TRUNCATED)
Number Theory
Number Theory
Lebesgue–Nagell equations
partially_solved
"The equation x^2 - 2 = y^p has received substantial attention. It has been resolved for small prime(...TRUNCATED)
"[{\"title\": \"On the Lebesgue-Nagell equation x^2-2 = y^p\", \"url\": \"https://arxiv.org/abs/2507(...TRUNCATED)
https://arxiv.org/abs/2507.12397 https://arxiv.org/abs/math/0405220
["We need to solve $x^2 - 2 = y^p$ for integer $x, y$, prime $p \\ge 3$. Find all integer solutions.(...TRUNCATED)
[ "stop", "stop", "stop", "stop" ]
[ null, null, null, null ]
[ 74111, 57710, 73975, 66001 ]
[ 71997, 55854, 72746, 64560 ]
6
0704.1689
https://arxiv.org/pdf/0704.1689.pdf#page=19
"Does there exist a Hessian nilpotent formal power series P(z) in C[[z]] that is not a polynomial an(...TRUNCATED)
"Let $\\mathbb{C}[[z]] = \\mathbb{C}[[z_1,\\dots,z_n]]$ denote the ring of formal power series in $n(...TRUNCATED)
Algebra and Representation Theory
Algebra
Hessian nilpotent power series and the Vanishing Conjecture
open
"No counterexample of a non-polynomial Hessian nilpotent formal power series violating the Vanishing(...TRUNCATED)
"[{\"title\": \"Some properties of and open problems on Hessian nilpotent polynomials\", \"url\": \"(...TRUNCATED)
https://www.impan.pl/en/publishing-house/journals-and-series/annales-polonici-mathematici/all/93/2/85371/some-properties-of-and-open-problems-on-hessian-nilpotent-polynomials https://ar5iv.labs.arxiv.org/html/0704.1691
["We need to analyze the problem carefully. \n\nWe have the ring of formal power series in n variabl(...TRUNCATED)
[ "stop", "stop", "stop", "stop" ]
[ null, null, null, null ]
[ 87135, 100850, 91341, 47375 ]
[ 85278, 99988, 89930, 46064 ]
7
07-workshop-problems
https://pub.math.leidenuniv.nl/~evertsejh/07-workshop-problems.pdf#page=1
"Do there exist prime numbers q such that, for every sufficiently large prime exponent p, the equati(...TRUNCATED)
"Determine whether there exists a prime number $q$ with the following property: for every sufficient(...TRUNCATED)
Number Theory
Number Theory
Generalized Fermat equations
unknown
"Searches on the generalized Fermat equation of signature (2,3,p) indicate active progress on cases (...TRUNCATED)
"[{\"title\": \"Generalised Fermat equation: a survey of solved cases\", \"url\": \"https://arxiv.or(...TRUNCATED)
https://arxiv.org/pdf/2412.11933 https://arxiv.org/abs/1703.05058
["We are asked: \"Determine whether there exists a prime number q with the following property: for e(...TRUNCATED)
[ "stop", "stop", "stop", "stop" ]
[ null, null, null, null ]
[ 8182, 13695, 3768, 8583 ]
[ 8030, 13509, 3530, 8404 ]
8
0704.1689
https://arxiv.org/pdf/0704.1689.pdf#page=2
"Let P(z) be a formal power series in C[[z]] with order o(P(z)) >= 2. If the sequence Delta^m(P(z)^m(...TRUNCATED)
"Let $P(z) = P(z_1, \\ldots, z_n) \\in \\mathbb{C}[[z_1, \\ldots, z_n]]$ be a formal power series in(...TRUNCATED)
Algebra and Representation Theory
Algebra
Hessian nilpotent polynomials
open
"This is a conjecture posed by Wenhua Zhao in the context of the Vanishing Conjecture, which is know(...TRUNCATED)
"[{\"title\": \"Some properties of and open problems on Hessian nilpotent polynomials\", \"url\": \"(...TRUNCATED)
https://www.impan.pl/en/publishing-house/journals-and-series/annales-polonici-mathematici/all/93/2/85371/some-properties-of-and-open-problems-on-hessian-nilpotent-polynomials https://arxiv.org/abs/math/0409534
["We need to analyze the problem:\n\nLet P(z) be a formal power series in n variables over C, order (...TRUNCATED)
[ "stop", "stop", "stop", "stop" ]
[ null, null, null, null ]
[ 82522, 68855, 69878, 95830 ]
[ 81238, 67525, 68274, 94240 ]
9
07-workshop-problems
https://pub.math.leidenuniv.nl/~evertsejh/07-workshop-problems.pdf#page=1
Determine whether Kraus' equation x^3 + y^3 = z^p can be solved for all prime exponents p >= 3.
"Let p be a prime number with p ≥ 3. Consider the Diophantine equation\n x^3 + y^3 = z^p\nto be (...TRUNCATED)
Number Theory
Number Theory
Generalized Fermat equations
partially_solved
"The equation x^3 + y^3 = z^p has been resolved for many primes p via modular methods (e.g., Kraus, (...TRUNCATED)
"[{\"title\": \"On the Fermat-type Equation x^3 + y^3 = z^p\", \"url\": \"https://arxiv.org/abs/1601(...TRUNCATED)
https://arxiv.org/abs/1601.06361 https://arxiv.org/pdf/2412.11933
["We need to solve the Diophantine equation x^3 + y^3 = z^p for primes p ≥ 3, with integers x, y, (...TRUNCATED)
[ "stop", "stop", "stop", "stop" ]
[ null, null, null, null ]
[ 32715, 34845, 33852, 32779 ]
[ 30923, 32806, 32216, 31241 ]
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