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We prove existence of conjugate Galois representations, and we use it to derive a simple method of weight reduction. As a consequence, an alternative proof of the level 1 case of Serre's conjecture follows.

Number Theory · Mathematics 2008-02-26 Luis Dieulefait

A short, fairly self-contained proof is given of the Poincar\'e Conjecture. In the previous version there was an error on Page 8. This gap has now been filled.

General Mathematics · Mathematics 2025-09-26 M. J. Dunwoody

Robin's Conjecture is strengthened, deformed, and proved. Nicolas conjecture follows.

Mathematical Physics · Physics 2009-07-19 Boris A. Kupershmidt

We prove the positivity conjecture for all skew-symmetric cluster algebras.

Combinatorics · Mathematics 2014-10-14 Kyungyong Lee , Ralf Schiffler

We prove the strong form of the Gaussian product conjecture in dimension three. Our purely analytical proof simplifies previously known proofs based on combinatorial methods or computer-assisted methods, and allows us to solve the case of…

Probability · Mathematics 2024-06-21 Ronan Herry , Dominique Malicet , Guillaume Poly

A classical probabilistic explanation for Hardy's quantum paradox is demonstrated.

Quantum Physics · Physics 2011-09-07 J. F. Geurdes

An equivalent but useful version on the Homological Nerve Theorem is proved.

Algebraic Topology · Mathematics 2016-09-13 Luis Montejano

We extend Hoggar's theorem that the sum of two independent discrete-valued log-concave random variables is itself log-concave. We introduce conditions under which the result still holds for dependent variables. We argue that these…

Probability · Mathematics 2007-05-23 Oliver Johnson , Christina Goldschmidt

We prove the decidability of the elementary theory of a free group.

General Mathematics · Mathematics 2017-09-15 G. S. Makanin

We give a counterexample to a recently conjectured variant of the Penrose inequality.

Differential Geometry · Mathematics 2026-04-30 Sven Hirsch , Yipeng Wang

We present a new, elementary, dynamical proof of the prime number theorem.

Number Theory · Mathematics 2021-05-25 Redmond McNamara

In this article, we prove a weighted version of Saitoh's conjecture. As an application, we prove a weighted version of Saitoh's conjecture for higher derivatives.

Complex Variables · Mathematics 2022-08-17 Qi'an Guan , Zheng Yuan

We establish an analogue of the Goldbach conjecture for Laurent polynomials with positive integer coefficients.

Number Theory · Mathematics 2023-12-05 Sophia Liao , Harold Polo

We show the existence of a set $A\subseteq \mathbb{Z}_{\geq 2}$ satisfying the estimates of the Bateman--Horn conjecture, Goldbach's conjecture, and also \[ \#\{p\leq x \text{ prime} ~|~ p\in A\} \gg x(\log\log x)/(\log x)^2. \]

Number Theory · Mathematics 2026-03-03 Christian Táfula

We prove a local version of the Mazur-Ulam theorem.

Functional Analysis · Mathematics 2009-05-12 Osamu Hatori

We confirm a conjecture of Sun on the expansions of $n(m^k-1)/(m-1)$ in base $m$.

Number Theory · Mathematics 2010-05-26 Hao Pan

We present a new proof of the celebrated quadratic reciprocity law. Our proof is based on group theory.

History and Overview · Mathematics 2018-04-03 Alfred Czogała , Przemysław Koprowski

In this article, we give proofs on the Arnold Lagrangian intersection conjecture on the cotangent bundles, Arnold-Givental Lagrangian intersection conjecture and the Arnold fixed point conjecture.

Symplectic Geometry · Mathematics 2013-07-08 Renyi Ma

We prove that if the Morrison cone conjecture holds for a smooth Calabi-Yau threefold $Y$, it holds for any smooth Calabi-Yau threefold deformation-equivalent to $Y$. We use this result to prove a new case of the Morrison cone conjecture.

Algebraic Geometry · Mathematics 2025-01-27 Wendelin Lutz

We survey the state of the union-closed sets conjecture.

Combinatorics · Mathematics 2013-10-31 Henning Bruhn , Oliver Schaudt