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In this article we make an explicit approach to the higher degree case of the problem: " For a given $CM$ field $M$, construct its maximal abelian extension $C(M)$ (i.e. the Hilbert class field) by the adjunction of special values of…

Number Theory · Mathematics 2017-05-01 Atsuhira Nagano , Hironori Shiga

A solution to the effectiveness problem in Kohn's algorithm for generating subelliptic multipliers is provided for domains that include those given by sums of squares of holomorphic functions (also including infinite sums). These domains…

Complex Variables · Mathematics 2020-03-17 Sung-Yeon Kim , Dmitri Zaitsev

In this paper, we develop a large sieve type inequality for some special characters whose moduli are squares of primes. Our result gives non-trivial estimate in certain ranges.

Number Theory · Mathematics 2007-05-23 Liangyi Zhao

The Hilbert scheme $S^{[n]}$ of points on an algebraic surface $S$ is a simple example of a moduli space and also a nice (crepant) resolution of singularities of the symmetric power $S^{(n)}$. For many phenomena expected for moduli spaces…

Algebraic Geometry · Mathematics 2007-05-23 Lothar Göttsche

In this paper, we establish a general version of the large sieve with additive characters for restricted sets of moduli in arbitrary dimension for function fields. From this, we derive function field versions for the large sieve in high…

Number Theory · Mathematics 2019-10-16 Stephan Baier , Rajneesh Kumar Singh

Let $X$ be a scheme of finite type over $\mathbf{Z}$. For $p \in \mathcal{P}$ the set of prime numbers, let $N_{X}(p)$ be the number of $\mathbf{F}_{p}$-points of $X/\mathbf{F}_{p}$. For fixed $n\geq 1$ and $a_{1}, \ldots, a_{n} \in…

Number Theory · Mathematics 2019-04-01 Lucile Devin

It is known that every matrix of order n over the maximal order in an algebraic number eld is a sum of k-th powers in various cases if a discriminant condition is satis ed. It has been proved by Wadikar and Katre that for every matrix of…

Number Theory · Mathematics 2025-10-16 S. A Katre , Deepa Krishnamurthi

Computations over the rational numbers often suffer from intermediate coefficient swell. One solution to this problem is to apply the given algorithm modulo a number of primes and then lift the modular results to the rationals. This method…

Algebraic Geometry · Mathematics 2019-08-15 Janko Boehm , Wolfram Decker , Claus Fieker , Santiago Laplagne , Gerhard Pfister

We describe an explicit version of Hilbert's irreducibility theorem using a generalization of Gallagher's larger sieve. We give applications to the Galois theory of random polynomials, and to the images of the adelic representation…

Number Theory · Mathematics 2010-12-01 David Zywina

This paper is a survey on major results on Hilbert functions of multigraded algebras and mixed multiplicities of ideals, including their applications to the computation of Milnor numbers of complex analytic hypersurfaces with isolated…

Commutative Algebra · Mathematics 2008-02-19 N. V. Trung , J. K. Verma

We give a new construction of $p$-adic overconvergent Hilbert modular forms by using Scholze's perfectoid Shimura varieties at infinite level and the Hodge--Tate period map. The definition is analytic, closely resembling that of complex…

Number Theory · Mathematics 2021-05-11 Christopher Birkbeck , Ben Heuer , Chris Williams

Given a negative $D>-(\log X)^{\log 2-\delta}$, we give a new upper bound on the number of square free integers $<X$ which are represented by some but not all forms of the genus of a primitive positive definite binary quadratic form $f$ of…

Number Theory · Mathematics 2011-05-24 J. Bourgain , E. Fuchs

The aim of this paper is to give some properties of Hilbert genus fields and construct the Hilbert genus fields of the fields $L_{m,d}:=\mathbb{Q}(\zeta_{2^m},\sqrt{d})$, where $m\geq 3$ is a positive integer and $d$ is a square-free…

Number Theory · Mathematics 2022-12-05 Mohamed Mahmoud Chems-Eddin , Moulay Ahmed Hajjami , Mohammed Taous

We give a Hodge-theoretic interpretation of the multiplier ideal of an effective divisor on a smooth complex variety. More precisely, we show that the associated graded coherent sheaf with respect to the jumping-number filtration can be…

Algebraic Geometry · Mathematics 2007-05-23 Nero Budur

Let $\lambda$ be a fixed integer, $\lambda\ge 2.$ Let $s_n$ be any strictly increasing sequence of positive integers satisfying $s_n\le n^{15/14+o(1)}.$ In this paper we give a version of the large sieve inequality for the sequence…

Number Theory · Mathematics 2007-05-23 M. Z. Garaev

A method for computing the multigraded Hilbert depth of a module was presented in [16]. In this paper we improve the method and we introduce an effective algorithm for performing the computations. In a particular case, the algorithm may…

Commutative Algebra · Mathematics 2014-07-25 Bogdan Ichim , Andrei Zarojanu

We compute the Hilbert coefficients of a graded module with pure resolution and discuss lower and upper bounds for these coefficients for arbitrary graded modules.

Commutative Algebra · Mathematics 2007-06-05 Juergen Herzog , Xinxian Zheng

We consider Hilbert algebras with a supplementary Fr\'echet topology and get various extensions of the algebraic structure by using duality techniques. In particular we obtain optimal multiplier-type involutive algebras, which in…

Functional Analysis · Mathematics 2015-01-30 M. Mantoiu , R. Purice

We study the closed convex hull of various collections of Hilbert functions. Working over a standard graded polynomial ring with modules that are generated in degree zero, we describe the supporting hyperplanes and extreme rays for the…

Commutative Algebra · Mathematics 2016-05-27 Mats Boij , Gregory G. Smith

Let $p(t)$ be an admissible Hilbert polynomial in $\PP^n$ of degree $d$. The Hilbert scheme $\hilb^n_p(t)$ can be realized as a closed subscheme of a suitable Grassmannian $ \mathbb G$, hence it could be globally defined by homogeneous…

Algebraic Geometry · Mathematics 2013-01-10 Cristina Bertone , Paolo Lella , Margherita Roggero