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A solution is given to the following problem: how to compute the multiplicity, or more generally the Hilbert function, at a point on a Schubert variety in an orthogonal Grassmannian. Standard monomial theory is applied to translate the…

Combinatorics · Mathematics 2009-04-16 K. N. Raghavan , Shyamashree Upadhyay

A new expansion for integral powers of the hypergeometric function corresponding to a special case of the incomplete beta function is summarized, and consequences, including two new sums involving digamma (psi) functions are presented.

Classical Analysis and ODEs · Mathematics 2013-05-22 Michael Milgram

It is developed the theory of the Dirichlet problem for harmonic functions. On this basis, for the nondegenerate Beltrami equations in the quasidisks and, in particular, in the smooth domains, it is proved the existence of regular solutions…

Complex Variables · Mathematics 2017-10-19 Artyem Yefimushkin , Vladimir Ryazanov

We describe the graded characters and Hilbert functions of certain graded artinian Gorenstein quotients of the polynomial ring which are also representations of the symmetric group. Specifically, we look at those algebras whose socles are…

Commutative Algebra · Mathematics 2016-03-22 Anthony V. Geramita , Andrew H. Hoefel , David L. Wehlau

We consider Hilbert-type functions associated with difference (not necessarily inversive) field extensions and systems of algebraic difference equations in the case when the translations are assigned some integer weights. We will show that…

Commutative Algebra · Mathematics 2016-09-28 Alexander Levin

Let HN denote the problem of determining whether a system of multivariate polynomials with integer coefficients has a complex root. It has long been known that HN in P implies P=NP and, thanks to recent work of Koiran, it is now known that…

Number Theory · Mathematics 2007-05-23 J. Maurice Rojas

We associate a quotient of superspace to any hyperplane arrangement by considering the differential closure of an ideal generated by powers of certain homogeneous linear forms. This quotient is a superspace analogue of the external…

Combinatorics · Mathematics 2024-04-03 Brendon Rhoades , Vasu Tewari , Andy Wilson

We generalize Iarrobino's symmetric decomposition for the associated graded algebra of an Artinian Gorenstein algebra to a symmetric decomposition of finite-length self-dual modules over a local algebra, and we deduce consequences for the…

Commutative Algebra · Mathematics 2026-05-22 Maciej Wojtala

We study positive bilinear forms on a Hilbert space which are neither not necessarily bounded nor induced by some positive operator. We show when different families of bilinear forms can be described as a generalized effect algebra. In…

Mathematical Physics · Physics 2015-06-15 A. Dvurečenskij , J. Janda

Lewis, Reiner, and Stanton conjectured a Hilbert seriesfor a space of invariants under an action of finite general linear groups using $(q,t)$-binomial coefficients. This work gives an analog in positive characteristic of theorems relating…

Combinatorics · Mathematics 2020-04-21 C. Drescher , A. V. Shepler

We establish consequences of the moving form of Schmidt's Subspace Theorem. Indeed, we obtain inequalities that bound the logarithmic greatest common divisor of moving multivariable polynomials evaluated at moving $S$-unit arguments. In…

Number Theory · Mathematics 2021-08-11 Nathan Grieve , Julie Tzu-Yueh Wang

In 2006, in a paper published in Compositio titled "Bounds on canonical Green's functions", J. Jorgenson and J. Kramer derived bounds for the canonical Green's function and the hyperbolic Green's function defined on a compact hyperbolic…

Number Theory · Mathematics 2014-01-21 Anilatmaja Aryasomayajula

The Hilbert scheme $\mathbf{Hilb}_{p(t)}^{n}$ parametrizes closed subschemes and families of closed subschemes in the projective space $\mathbb{P}^n$ with a fixed Hilbert polynomial $p(t)$. It is classically realized as a closed subscheme…

Algebraic Geometry · Mathematics 2014-10-17 Jerome Brachat , Paolo Lella , Bernard Mourrain , Margherita Roggero

Using the Gegenbauer polynomials and the zonal harmonics functions we give some representation formula of the Green function in the annulus. We apply this result to prove some uniqueness results for some nonlinear elliptic problems.

Analysis of PDEs · Mathematics 2015-08-27 Massimo Grossi , Djordjije Vujadinovic

In Part I of this series, the author has shown how to extend the framework of Riemannian geometry so as to include infinitesimals of higher than first order. The purpose of the present contribution is to initiate an investigation into the…

Differential Geometry · Mathematics 2024-06-12 William Bies

We study functions of bounded variation (and sets of finite perimeter) on a convex open set $\Omega\subseteq X$, $X$ being an infinite dimensional real Hilbert space. We relate the total variation of such functions, defined through an…

Functional Analysis · Mathematics 2024-04-02 L. Angiuli , S. Ferrari , D. Pallara

In our previous work we found sufficient conditions to be imposed on the parameters of the generalized hypergeometric function in order that it be completely monotonic or of Stieltjes class. In this paper we collect a number of consequences…

Classical Analysis and ODEs · Mathematics 2017-06-23 D. B. Karp , E. G. Prilepkina

We formulate a precise conjecture relating integral form partially-symmetric Macdonald polynomials and the parabolic flag Hilbert schemes of Carlsson, Gorsky, and Mellit. This extends, in an explicit fashion, Haiman's realization of…

Combinatorics · Mathematics 2024-10-16 Ben Goodberry , Daniel Orr

Recall that the Hilbert (Riemann-Hilbert) boundary value problem for the Beltrami equations was recently solved for general settings in terms of nontangential limits and principal asymptotic values. Here it is developed a new approach…

Complex Variables · Mathematics 2015-12-07 Vladimir Gutlyanskii , Vladimir Ryazanov , Artem Yefimushkin

Hilbert volume is an invariant of real projective geometry. Polygons inscribed in polygons are considered for the real projective plane. The correspondence between Fock-Goncharov and Cartesian coordinates is examined. Degeneration and…

Geometric Topology · Mathematics 2020-12-21 Scott A. Wolpert