Mathematics Problem Archive
Conjecture 3.9 — Schneider
v1.3 research notesThe $d-1$ numbers $$ \alpha^\beta,\; \alpha^{\beta^2},\ldots, \alpha^{\beta^{d-1}} $$ are algebraically independent over $\mathbb{Q}$....
Conjecture 3.10 — Gel’fond-Schneider
v1.3 research notesThe $d$ numbers $$ \log\alpha,\; \alpha^\beta,\; \alpha^{\beta^2},\ldots, \alpha^{\beta^{d-1}} $$ are algebraically independent over $\mathbb{Q}$....
Conjecture 3.11 — $p$-adic analog of Lindemann-Weierstrass's Theorem
v1.3 research notesLet $\beta_1,\ldots,\beta_n$ be $p$-adic algebraic numbers in the domain of convergence of the $p$-adic exponential function $\exp_p$. Then the $n$ nu...
Conjecture 3.12 — $p$-adic analog of an algebraic independence result of Gel’fond
v1.3 research notesLet $\alpha$ be a non-zero algebraic number in the domain of convergence of the $p$-adic logarithm $\log_p$, and let $\beta$ be a $p$-adic cubic algeb...
Conjecture 3.13 — Blum, Cucker, Shub and Smale
v1.3 research notesGiven an absolute constant $c$ and polynomials $P_1,\ldots,P_m$ with a total of $N$ coefficients and no common complex zeros, there is no program to f...
Conjecture 3.14
v1.3 research notesLet $\Sigma$ be a finite subset of $\mathbb{C}^n$ and $\varepsilon$ a positive number. There exists a positive number $r_0(\Sigma,\varepsilon)$ such t...
Conjecture 3.18
v1.3 research notesAt least three of the four numbers $$ \pi,\; \Gamma(1/5),\; \Gamma(2/5), \; e^{\pi\sqrt 5} $$ are algebraically independent over $\mathbb{Q}$....
Conjecture 3.20 — Nesterenko
v1.3 research notesLet $\tau\in\mathbb{C}$ have positive imaginary part. Assume that $\tau$ is not quadratic. Set $q=e^{2i\pi\tau}$. Then at least $4$ of the $5$ numbers...
Conjecture 3.21 — Bertolin
v1.3 research notesLet $\mathcal{E}_1,\ldots,\mathcal{E}_n$ be pairwise non isogeneous elliptic curves with modular invariants $j(\mathcal{E}_h)$. For $h=1,\ldots,n$, le...
Conjecture 3.23
v1.3 research notesGiven an elliptic curve with Weierstrass equation $y^2=4x^3-g_2x-g_3$, a nonzero period $\omega$, the associated quasi-period $\eta$ of the zeta funct...
Conjecture 3.24 — Bertrand
v1.3 research notesLet $q_1,\ldots,q_n$ be nonzero algebraic numbers in the unit open disc such that the $3n$ numbers $$ J(q_i), \; DJ(q_i),\; D^2J(q_i)\qquad (i=1,\ldot...
Conjecture 3.25 — Bertrand
v1.3 research notesLet $q_1$ and $q_2$ be two nonzero algebraic numbers in the unit open disc. Suppose that there is an irreducible element $P\in\mathbb{Q}[X,Y]$ such th...
Conjecture 3.26
v1.3 research notesIs there such a bound depending polynomially on the degree and height of $P$?...
Question 3.27 — Mahler
v1.3 research notesAre there entire transcendental functions $f(z)$ such that if $x$ is a Liouville number then so is $f(x)$?...
Conjecture 4.3 — Amoroso-David
v1.3 research notesFor each positive integer $n\ge 1$ there exists a positive number $c(n)$ having the following property. Let $\alpha_1,\ldots,\alpha_n$ be multiplicati...
Conjecture 4.4 — Amoroso-David
v1.3 research notesFor each positive integer $n\ge 1$ there exists a positive number $c(n)$ such that, if $\underline{\alpha}=(\alpha_1,\ldots,\alpha_n)$ is a $n$-tuple ...
Conjecture 4.5 — Amoroso-David
v1.3 research notesFor each integer $n\ge 1$ there exists a positive constant $c(n)$ such that, for any algebraic subvariety $V$ of $\mathbb{G}_m^n$ which is defined ove...
Problem 4.6
v1.3 research notesFor $\theta\in(0,\pi)$, define $$ V_\theta=\{re^{it}\; ;\; r>0,\; |t|>\theta\}. $$ Compute $L(V_\theta)$ in terms of $\theta$....
Conjecture 4.7 — David-Hindry
v1.3 research notesThere exists a positive constant $c$, depending only on $A$ and $\mathcal{L}$, such that for any $P\in A(\overline{\mathbb{Q}})$ which has infinite or...
Conjecture 4.12
v1.3 research notesLet $\underline{\theta}=(\theta_1,\ldots,\theta_m)$ be a $m$-tuple of complex numbers. Define $$ t=\operatorname{trdeg} \mathbb{Q}(\underline{\theta})...
Conjecture 4.13 — Laurent-Roy
v1.3 research notesLet $\theta\in\mathbb{C}^m$. There is a positive constant $c$, depending only on $\theta$ and $m$, with the following property. Let $k$ be an integer ...
Conjecture 4.14
v1.3 research notesThere exist two positive absolute constants $c_1$ and $c_2$ with the following property. Let $\lambda_1,\ldots,\lambda_m$ be logarithms of algebraic n...
Conjecture 4.15
v1.3 research notesThere exists a positive absolute constant $C$ with the following property. Let $\alpha_1,\ldots,\alpha_n$ be nonzero algebraic numbers and $\log\alpha...
Conjecture 4.18
v1.3 research notesLet $A$ be a simple abelian variety over $\mathbb{Q}$, $\exp_A:\mathbb{R}^g\rightarrow A(\mathbb{R})^0$ the exponential map of the Lie group $A(\mathb...
Conjecture 4.20
v1.3 research notesLet $m$, $n$, $k$ be positive integers and $a_{ij\kappa}$ rational integers ($1\le i\le n$, $1\le j\le m$, $1\le\kappa\le k$). For $\underline{x}=(x_1...
Conjecture 4.21
v1.3 research notesFor any $\varepsilon>0$ there exists $S_0>0$ (depending on $\varepsilon$, $\gamma_1,\ldots,\gamma_m$ and $\mathcal{K}$) such that, for any $S\ge S_0$ ...
Question 5.2 — Bugeaud
v1.3 research notesLet $n \ge 2$. Denote by $\mathrm{ZH}_n$ the set of real numbers $\xi$ with the following property: there exists $c_1(\xi) >0$ and $c_2(\xi)>0$ such t...
Conjecture 5.4 — Loxton and van der Poorten
v1.3 research notesLet $(n_i)_{i\ge 0}$ be an increasing sequence of positive integers. Assume there is a prime number $p$ such that the power series $$ \sum_{i\ge 0}z^{...
Fast evaluation of high-degree elliptic-curve isogenies
v1.3 research notesGiven an elliptic curve $E/\mathbb{F}_q$ and $P\in E(\mathbb{F}_q)$, characterize maps or isogenies $\psi:E\to E'$ for which $\psi(P)$ can be evaluate...
Cryptographically useful bilinear structures
v1.3 research notesFind bilinear structures that are useful for cryptographic constructions....
Efficient class-group realizations of large cyclic groups
v1.3 research notesFind orders $\mathcal{O}$ whose Picard groups contain $\mathbb{Z}/\ell$, admit compact element representations, and allow group composition in $O(\log...
Explicit class-group realization of finite-field discrete logarithms
v1.3 research notesMake the proposed realization of existing finite-field discrete-logarithm systems inside class groups explicit for practical systems....
Security consequences of Weil descent for the class-group realization
v1.3 research notesDetermine whether Weil descent compromises the security of the proposed class-group realization of finite-field discrete-logarithm systems....
Fast Tate–Lichtenbaum pairing computation
v1.3 research notesDevelop a fast algorithm to compute the Tate–Lichtenbaum pairing $T_n$....
Computational realization of a second cohomology group
v1.3 research notesTurn $H^2(G_K,K_s^*)$ into an explicitly computational group....
Explicit cocycles and invariants for split local algebras
v1.3 research notesExplicitly describe the cocycle $c_u$, equivalently fast-compute invariants of local algebras split by the generalized-dihedral extensions specified i...
Globalizing prescribed local Brauer classes
v1.3 research notesExplicitly construct global algebras or Brauer classes with prescribed local data, especially when the local splitting fields are dihedral....
Schoof-type zeta computation without bad genus dependence
v1.3 research notesAdapt Schoof's method to compute zeta functions of curves without unfavorable dependence on the genus....
Cup-product pairings in zeta computation
v1.3 research notesDetermine whether natural de Rham cup-product pairings can be used to improve zeta-function computations....
Removing restrictions from hyperelliptic zeta algorithms
v1.3 research notesRemove the imaginary-hyperelliptic and $p\ne2$ restrictions from the complexity bound stated in the slides....
Improved Frobenius lifts for nondegenerate curves
v1.3 research notesTest and analyze whether deleting extra points and fixing the lift $x\mapsto x^p$ improves Frobenius lifts for nondegenerate curves....
Higher-dimensional nondegenerate Frobenius algorithms
v1.3 research notesDevelop the higher-dimensional analogue of the nondegenerate-curve Frobenius-lift method....
Useful deformations for nondegenerate curves
v1.3 research notesFind useful deformations of nondegenerate curves together with easy starting matrices for Frobenius computation....
Nondegenerate surfaces in toric threefolds
v1.3 research notesWork out effective zeta-function computations for nondegenerate surfaces in toric threefolds....
Factoring structured semiprimes from fewer known bits
v1.3 research notesFactor $N=p^rq^s$ with $r\approx s$ using fewer known bits of the factors than existing methods require....
Factoring a three-prime integer from fewer known bits
v1.3 research notesFactor $N=pqr$ from fewer known bits of its prime factors....
Factoring from nonconsecutive known bits
v1.3 research notesDevelop methods to factor an integer when the known bits of its factors are nonconsecutive....
Reducing guesses in factoring with known bits
v1.3 research notesReduce the number of guesses required by lattice attacks for factoring with partially known bits....
Learning from wrong guesses in partial-key factoring
v1.3 research notesExtract useful information from incorrect guesses in factoring attacks based on partially known bits....
Roots of x-squared minus one modulo a composite
v1.3 research notesEfficiently solve for, or characterize all relevant roots of, $x^2-1$ modulo a composite integer $N$ in the setting of the slides....