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Rank #1preprint2026arXiv

Pair correlation of $αn^θ$ for random $θ$

For fixed $α>0$, we show that the sequence $\{αn^θ\}$ has Poissonian pair correlation for Lebesgue-almost all $θ\in (0,\frac{3}{5})\cup(3,\infty)$. This improves a result of Technau and Yesha, who proved the same for almost all $θ>7$. The approach of Technau and Yesha was based on a repulsion principle, which roughly allows one to estimate the variance of the pair correlation function using the fourth derivative of the phase. In our approach, we split the $θ$-integration in the variance into many short intervals and show that most of the integrals can be estimated using the first derivative. The problem is then reduced to several counting estimates, which we prove using moments of the Riemann zeta function and exponent pairs.

Score 36.4

Catalog momentumOpen access

Why this is here

Ranked mainly because of Catalog momentum.

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+18Recency+15.4Catalog momentum+1.5Research signal+1.5Reason fit0Trust graph

0Citations0Reviews+0Signal15.4Trend0Trust

Rank #2preprint2026arXiv

A $q$-Analogue of a Supercongruence Related to Van Hamme's (B.2) Supercongruence

Motivated by the recent work of Li and Wang on parametric generalizations of Van Hamme's $(C.2)$ supercongruence in the $q$-setting, we establish $q$-analogues of a supercongruence related to Van Hamme's $(B.2)$ supercongruence, recently obtained by the authors. In particular, we derive parametric extensions of these $q$-supercongruences by constructing suitable pairs of hypergeometric functions through the $q$-WZ method.

Score 36.4

Catalog momentumOpen access

Why this is here

Ranked mainly because of Catalog momentum.

Advanced score breakdown

+18Recency+15.4Catalog momentum+1.5Research signal+1.5Reason fit0Trust graph

0Citations0Reviews+0Signal15.4Trend0Trust

Rank #3preprint2026arXiv

The Abel--Jacobi map over the twistor-$\mathbb{P}^1$ and real local class field theory

We study the Abel--Jacobi map over the twistor-$\mathbb{P}^1$ in the context of Scholze's geometrisation of the real local Langlands correspondence. In a similar spirit to a result of Fargues over the Fargues--Fontaine curve, we prove that pullback along the Abel--Jacobi map induces an equivalence on Picard groupoids and use this to recover local class field theory for archimedean local fields.

Score 36.4

Catalog momentumOpen access

Why this is here

Ranked mainly because of Catalog momentum.

Advanced score breakdown

+18Recency+15.4Catalog momentum+1.5Research signal+1.5Reason fit0Trust graph

0Citations0Reviews+0Signal15.4Trend0Trust

Rank #4preprint2026arXiv

Half of finite abelian groups are unit groups

A group is called realizable if it is the group of units in a ring with identity. The classification of realizable groups is a difficult open problem -- originally posed by László Fuchs -- and is an active area of research. Realizable groups seem rare, but their proportion within a fixed class of groups (cyclic, dihedral, finite abelian, etc.) varies. To quantify this proportion, we introduce the realizable density of a class of finite groups as an analog of natural density for subsets of the natural numbers. The realizable finite cyclic groups and the realizable finite abelian $p$-groups for $p$ odd have been classified; we prove that their realizable densities are 1/4 and 0, respectively. The realizable finite abelian 2-groups -- and more generally the realizable finite abelian groups -- have not been fully classified, and these special cases appear quite difficult. Nonetheless, we prove that the realizable density of finite abelian 2-groups is 1 and the realizable density of finite abelian groups is 1/2. Our work combines existing classification theorems for realizable groups with tools from analytic number theory.

Score 36.4

Catalog momentumOpen access

Why this is here

Ranked mainly because of Catalog momentum.

Advanced score breakdown

+18Recency+15.4Catalog momentum+1.5Research signal+1.5Reason fit0Trust graph

0Citations0Reviews+0Signal15.4Trend0Trust

Rank #5preprint2026arXiv

The Fontaine operator at cusps of modular curves at infinite level

We explicitly calculate Pan's geometric intertwining operator and the Fontaine operator on modular curves at infinite level via $q$-expansions, using Heuer's theory of cusps at infinite level. We prove that these two operators coincide on such expansions up to an explicit constant. As an application, we combine this result with $q$-expansion principles to provide a new proof of Pan's theorem that these operators are equal on the locally analytic vectors of completed cohomology of modular curves.

Score 36.4

Catalog momentumOpen access

Why this is here

Ranked mainly because of Catalog momentum.

Advanced score breakdown

+18Recency+15.4Catalog momentum+1.5Research signal+1.5Reason fit0Trust graph

0Citations0Reviews+0Signal15.4Trend0Trust

Rank #6preprint2026arXiv

Complete Families of Curves in the Moduli Space of Genus g Curves

Let $\mathcal{M}_g$ be the moduli space of smooth curves of genus $g$. The image of a non-constant morphism from a curve $T$ to $\mathcal{M}_g$ is a curve in $\mathcal{M}_g$. By work of González Díez and Harvey, for every integer $g \geq 3$, there exists a complete curve in $\mathcal{M}_g$. Here we generalize the construction to produce new complete curves in $\mathcal{M}_g$. We also find a formula for the genus of each curve $T$ using Galois theory for function fields.

Score 36.4

Catalog momentumOpen access

Why this is here

Ranked mainly because of Catalog momentum.

Advanced score breakdown

+18Recency+15.4Catalog momentum+1.5Research signal+1.5Reason fit0Trust graph

0Citations0Reviews+0Signal15.4Trend0Trust