Mathematics Problem Archive

Showing 2301-2350 of 3440 problems (Page 47 of 69)

AMR-086-0027
Open

Conjecture 3.9 — Schneider

v1.3 research notes

The $d-1$ numbers $$ \alpha^\beta,\; \alpha^{\beta^2},\ldots, \alpha^{\beta^{d-1}} $$ are algebraically independent over $\mathbb{Q}$....

L3
Graph Theory
AMR-086-0028
Open

Conjecture 3.10 — Gel’fond-Schneider

v1.3 research notes

The $d$ numbers $$ \log\alpha,\; \alpha^\beta,\; \alpha^{\beta^2},\ldots, \alpha^{\beta^{d-1}} $$ are algebraically independent over $\mathbb{Q}$....

L3
Graph Theory
AMR-086-0029
Open

Conjecture 3.11 — $p$-adic analog of Lindemann-Weierstrass's Theorem

v1.3 research notes

Let $\beta_1,\ldots,\beta_n$ be $p$-adic algebraic numbers in the domain of convergence of the $p$-adic exponential function $\exp_p$. Then the $n$ nu...

L3
Graph Theory
AMR-086-0030
Open

Conjecture 3.12 — $p$-adic analog of an algebraic independence result of Gel’fond

v1.3 research notes

Let $\alpha$ 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...

L3
Graph Theory
AMR-086-0031
Open

Conjecture 3.13 — Blum, Cucker, Shub and Smale

v1.3 research notes

Given 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...

L3
Graph Theory
AMR-086-0032
Open

Conjecture 3.14

v1.3 research notes

Let $\Sigma$ be a finite subset of $\mathbb{C}^n$ and $\varepsilon$ a positive number. There exists a positive number $r_0(\Sigma,\varepsilon)$ such t...

L3
Graph Theory
AMR-086-0036
Open

Conjecture 3.18

v1.3 research notes

At least three of the four numbers $$ \pi,\; \Gamma(1/5),\; \Gamma(2/5), \; e^{\pi\sqrt 5} $$ are algebraically independent over $\mathbb{Q}$....

L3
Graph Theory
AMR-086-0038
Partially Solved

Conjecture 3.20 — Nesterenko

v1.3 research notes

Let $\tau\in\mathbb{C}$ have positive imaginary part. Assume that $\tau$ is not quadratic. Set $q=e^{2i\pi\tau}$. Then at least $4$ of the $5$ numbers...

L3
Graph Theory
AMR-086-0039
Open

Conjecture 3.21 — Bertolin

v1.3 research notes

Let $\mathcal{E}_1,\ldots,\mathcal{E}_n$ be pairwise non isogeneous elliptic curves with modular invariants $j(\mathcal{E}_h)$. For $h=1,\ldots,n$, le...

L3
Graph Theory
AMR-086-0041
Open

Conjecture 3.23

v1.3 research notes

Given 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...

L3
Graph Theory
AMR-086-0042
Open

Conjecture 3.24 — Bertrand

v1.3 research notes

Let $q_1,\ldots,q_n$ 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...

L3
Graph Theory
AMR-086-0043
Open

Conjecture 3.25 — Bertrand

v1.3 research notes

Let $q_1$ 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...

L3
Graph Theory
AMR-086-0044
Open

Conjecture 3.26

v1.3 research notes

Is there such a bound depending polynomially on the degree and height of $P$?...

L3
Graph Theory
AMR-086-0045
Open

Question 3.27 — Mahler

v1.3 research notes

Are there entire transcendental functions $f(z)$ such that if $x$ is a Liouville number then so is $f(x)$?...

L3
Graph Theory
AMR-086-0048
Open

Conjecture 4.3 — Amoroso-David

v1.3 research notes

For 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...

L3
Graph Theory
AMR-086-0049
Open

Conjecture 4.4 — Amoroso-David

v1.3 research notes

For 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 ...

L3
Graph Theory
AMR-086-0050
Partially Solved

Conjecture 4.5 — Amoroso-David

v1.3 research notes

For 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...

L3
Graph Theory
AMR-086-0051
Open

Problem 4.6

v1.3 research notes

For $\theta\in(0,\pi)$, define $$ V_\theta=\{re^{it}\; ;\; r>0,\; |t|>\theta\}. $$ Compute $L(V_\theta)$ in terms of $\theta$....

L3
Graph Theory
AMR-086-0052
Partially Solved

Conjecture 4.7 — David-Hindry

v1.3 research notes

There 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...

L3
Graph Theory
AMR-086-0054
Open

Conjecture 4.12

v1.3 research notes

Let $\underline{\theta}=(\theta_1,\ldots,\theta_m)$ be a $m$-tuple of complex numbers. Define $$ t=\operatorname{trdeg} \mathbb{Q}(\underline{\theta})...

L3
Graph Theory
AMR-086-0055
Open

Conjecture 4.13 — Laurent-Roy

v1.3 research notes

Let $\theta\in\mathbb{C}^m$. There is a positive constant $c$, depending only on $\theta$ and $m$, with the following property. Let $k$ be an integer ...

L3
Graph Theory
AMR-086-0056
Open

Conjecture 4.14

v1.3 research notes

There 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...

L3
Graph Theory
AMR-086-0057
Open

Conjecture 4.15

v1.3 research notes

There exists a positive absolute constant $C$ with the following property. Let $\alpha_1,\ldots,\alpha_n$ be nonzero algebraic numbers and $\log\alpha...

L3
Graph Theory
AMR-086-0060
Open

Conjecture 4.18

v1.3 research notes

Let $A$ 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...

L3
Graph Theory
AMR-086-0062
Open

Conjecture 4.20

v1.3 research notes

Let $m$, $n$, $k$ 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...

L3
Graph Theory
AMR-086-0063
Open

Conjecture 4.21

v1.3 research notes

For any $\varepsilon>0$ there exists $S_0>0$ (depending on $\varepsilon$, $\gamma_1,\ldots,\gamma_m$ and $\mathcal{K}$) such that, for any $S\ge S_0$ ...

L3
Graph Theory
AMR-086-0065
Partially Solved

Question 5.2 — Bugeaud

v1.3 research notes

Let $n \ge 2$. 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...

L3
Graph Theory
AMR-086-0067
Partially Solved

Conjecture 5.4 — Loxton and van der Poorten

v1.3 research notes

Let $(n_i)_{i\ge 0}$ be an increasing sequence of positive integers. Assume there is a prime number $p$ such that the power series $$ \sum_{i\ge 0}z^{...

L3
Graph Theory
AMR-087-0001
Partially Solved

Fast evaluation of high-degree elliptic-curve isogenies

v1.3 research notes

Given 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...

L3
Graph Theory
AMR-087-0002
Partially Solved

Cryptographically useful bilinear structures

v1.3 research notes

Find bilinear structures that are useful for cryptographic constructions....

L3
Graph Theory
AMR-087-0003
Partially Solved

Efficient class-group realizations of large cyclic groups

v1.3 research notes

Find orders $\mathcal{O}$ whose Picard groups contain $\mathbb{Z}/\ell$, admit compact element representations, and allow group composition in $O(\log...

L3
Graph Theory
AMR-087-0004
Partially Solved

Explicit class-group realization of finite-field discrete logarithms

v1.3 research notes

Make the proposed realization of existing finite-field discrete-logarithm systems inside class groups explicit for practical systems....

L3
Graph Theory
AMR-087-0005
Partially Solved

Security consequences of Weil descent for the class-group realization

v1.3 research notes

Determine whether Weil descent compromises the security of the proposed class-group realization of finite-field discrete-logarithm systems....

L3
Graph Theory
AMR-087-0006
Solved

Fast Tate–Lichtenbaum pairing computation

v1.3 research notes

Develop a fast algorithm to compute the Tate–Lichtenbaum pairing $T_n$....

L3
Graph Theory
AMR-087-0007
Open

Computational realization of a second cohomology group

v1.3 research notes

Turn $H^2(G_K,K_s^*)$ into an explicitly computational group....

L3
Graph Theory
AMR-087-0008
Open

Explicit cocycles and invariants for split local algebras

v1.3 research notes

Explicitly describe the cocycle $c_u$, equivalently fast-compute invariants of local algebras split by the generalized-dihedral extensions specified i...

L3
Graph Theory
AMR-087-0009
Partially Solved

Globalizing prescribed local Brauer classes

v1.3 research notes

Explicitly construct global algebras or Brauer classes with prescribed local data, especially when the local splitting fields are dihedral....

L3
Graph Theory
AMR-087-0010
Open

Schoof-type zeta computation without bad genus dependence

v1.3 research notes

Adapt Schoof's method to compute zeta functions of curves without unfavorable dependence on the genus....

L3
Graph Theory
AMR-087-0012
Partially Solved

Cup-product pairings in zeta computation

v1.3 research notes

Determine whether natural de Rham cup-product pairings can be used to improve zeta-function computations....

L3
Graph Theory
AMR-087-0013
Partially Solved

Removing restrictions from hyperelliptic zeta algorithms

v1.3 research notes

Remove the imaginary-hyperelliptic and $p\ne2$ restrictions from the complexity bound stated in the slides....

L3
Graph Theory
AMR-087-0014
Partially Solved

Improved Frobenius lifts for nondegenerate curves

v1.3 research notes

Test and analyze whether deleting extra points and fixing the lift $x\mapsto x^p$ improves Frobenius lifts for nondegenerate curves....

L3
Graph Theory
AMR-087-0015
Partially Solved

Higher-dimensional nondegenerate Frobenius algorithms

v1.3 research notes

Develop the higher-dimensional analogue of the nondegenerate-curve Frobenius-lift method....

L3
Graph Theory
AMR-087-0016
Partially Solved

Useful deformations for nondegenerate curves

v1.3 research notes

Find useful deformations of nondegenerate curves together with easy starting matrices for Frobenius computation....

L3
Graph Theory
AMR-087-0017
Partially Solved

Nondegenerate surfaces in toric threefolds

v1.3 research notes

Work out effective zeta-function computations for nondegenerate surfaces in toric threefolds....

L3
Graph Theory
AMR-087-0018
Partially Solved

Factoring structured semiprimes from fewer known bits

v1.3 research notes

Factor $N=p^rq^s$ with $r\approx s$ using fewer known bits of the factors than existing methods require....

L3
Graph Theory
AMR-087-0019
Solved

Factoring a three-prime integer from fewer known bits

v1.3 research notes

Factor $N=pqr$ from fewer known bits of its prime factors....

L3
Graph Theory
AMR-087-0020
Partially Solved

Factoring from nonconsecutive known bits

v1.3 research notes

Develop methods to factor an integer when the known bits of its factors are nonconsecutive....

L3
Graph Theory
AMR-087-0021
Open

Reducing guesses in factoring with known bits

v1.3 research notes

Reduce the number of guesses required by lattice attacks for factoring with partially known bits....

L3
Graph Theory
AMR-087-0022
Open

Learning from wrong guesses in partial-key factoring

v1.3 research notes

Extract useful information from incorrect guesses in factoring attacks based on partially known bits....

L3
Graph Theory
AMR-087-0023
Open

Roots of x-squared minus one modulo a composite

v1.3 research notes

Efficiently solve for, or characterize all relevant roots of, $x^2-1$ modulo a composite integer $N$ in the setting of the slides....

L3
Graph Theory