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Hypergeometric functions over finite fields were introduced by Greene in the 1980s as a finite field analogue of classical hypergeometric series. These functions, and their generalizations, naturally lend themselves to, and have been widely…

Number Theory · Mathematics 2023-08-04 Madeline Locus Dawsey , Dermot McCarthy

Conca and Herzog proved that any product of ideals of linear forms in a polynomial ring has a linear resolution. The goal of this paper is to establish the same result for any quadric hypersurface. The main tool we develop and use is a…

Commutative Algebra · Mathematics 2017-06-27 Aldo Conca , Hop D. Nguyen , Thanh Vu

We investigate products of certain double cosets for the symmetric group and use the findings to derive some multiplication formulas for q-Schur superalgebras. This gives a combinatorialisation of the relative norm approach developed by the…

Quantum Algebra · Mathematics 2018-03-20 Jie Du , Haixia Gu , Zhongguo Zhou

Hecke studies the distribution of fractional parts of quadratic irrationals with Fourier expansion of Dirichlet series. This method is generalized by Behnke and Ash-Friedberg, to study the distribution of the number of totally positive…

Number Theory · Mathematics 2016-06-14 Tianyi Mao

In a one-page fragment published with his lost notebook, Ramanujan stated two double series identities associated, respectively, with the famous Gauss Circle and Dirichlet Divisor problems. The identities contain an "extra" parameter, and…

Number Theory · Mathematics 2021-04-14 Bruce C. Berndt , Martino Fassina , Sun Kim , Alexandru Zaharescu

We classify all totally real number fields of degree at most 5 that admit a universal quadratic form with rational integer coefficients; in fact, there are none over the previously unsolved cases of quartic and quintic fields. This fully…

Number Theory · Mathematics 2024-02-07 Vítězslav Kala , Pavlo Yatsyna

We prove a general quadratic formula for basic hypergeometric series, from which simple proofs of several recent determinant and Pfaffian formulas are obtained. A special case of the quadratic formula is actually related to a Gram…

Combinatorics · Mathematics 2013-08-13 Victor J. W. Guo , Masao Ishikawa , Hiroyuki Tagawa , Jiang Zeng

We examine the convergence of $q$-hypergeometric series when $|q|=1$.

Classical Analysis and ODEs · Mathematics 2015-04-07 Toshio Oshima

The review of modern study of algebraic, geometric and differential properties of quaternionic (Q) numbers with their applications. Traditional and "tensor" formulation of Q-units with their possible representations are discussed and groups…

Mathematical Physics · Physics 2007-05-23 A. P. Yefremov

We prove a sharp upper bound for the projective dimension of ideals of height two generated by quadrics in a polynomial ring with arbitrary large number of variables.

Commutative Algebra · Mathematics 2013-04-03 Craig Huneke , Paolo Mantero , Jason McCullough , Alexandra Seceleanu

This article gives a brief introduction to $q$-special functions, i.e., $q$-analogues of the classical special functions. Here $q$ is a deformation parameter, usually $0<q<1$, where $q=1$ is the classical case. The main topics to be treated…

Classical Analysis and ODEs · Mathematics 2023-08-08 Tom H. Koornwinder

In this article we find connections between the values of Gauss hypergeometric functions and the dimension of the vector space of Hodge cycles of four dimensional cubic hypersurfaces. Since the Hodge conjecture is well-known for those…

Algebraic Geometry · Mathematics 2007-05-23 Hossein Movasati , Stefen Reiter

This paper presents algorithms for calculating the quadratic character and the norms of prime ideals in the ring of integers of any quadratic field. The norms of prime ideals are obtained by means of a sieve algorithm using the quadratic…

Number Theory · Mathematics 2010-01-29 Theodorus J. Dekker

In 2017, He [Proc. Amer. Math. Soc. 145 (2017), 501--508] established two spuercongruences on truncated hypergeometric series and further proposed two related conjectures. Subsequently, Liu [Results Math. 72 (2017), 2057--2066] extended…

Combinatorics · Mathematics 2021-11-16 Chuanan Wei

The generalized hypergeometric function $_qF_p$ is a power series in which the ratio of successive terms is a rational function of the summation index. The Gaussian hypergeometric functions $_2F_1$ and $_3F_2$ are most common special cases…

Mathematical Physics · Physics 2008-10-28 Jonathan Murley , Nasser Saad

By dividing hypergeometric series representations of the inverse sine by sin^-1 (x) and integrating, new double series representations of integers and constants arise. Binomial coefficients and the sine integral are thus combined in double…

Number Theory · Mathematics 2010-09-17 John M. Campbell

In 1970 A. Baker and W. Schmidt introduced regular systems of numbers and vectors, showing that the set of real algebraic numbers forms a regular system on any fixed interval. This fact was used to prove several important results in the…

Number Theory · Mathematics 2017-11-30 Friedrich Götze , Anna Gusakova

Permutation rational functions over finite fields have attracted much attention in recent years. In this paper, we introduce a class of permutation rational functions over $\mathbb F_{q^2}$, whose numerators are so-called $q$-quadratic…

Number Theory · Mathematics 2024-01-25 Ruikai Chen , Sihem Mesnager

The theory of continued fractions of functions $ \sqrt D $ is used to give lower bound for class numbers $h(D)$ of general real quadratic function fields $K=k(\sqrt D)$ over $k={\bf F}_q(T)$. For five series of real quadratic function…

Number Theory · Mathematics 2007-05-23 Kunpeng Wang , Xianke Zhang

For a cubic algebraic extension $K$ of $\mathbb{Q}$, the behavior of the ideal counting function is considered in this paper. Let $a_{K}(n)$ be the number of integral ideals of the field $K$ with norm $n$. An asymptotic formula is given for…

Number Theory · Mathematics 2015-03-05 Zhishan Yang