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It has been some time since interval-valued linear regression was investigated. In this paper, we focus on linear regression for interval-valued data within the framework of random sets. The model we propose generalizes a series of existing…

统计方法学 · 统计学 2015-06-12 Yan Sun , Chunyang Li

We derive refined rigorous error estimates for approximate solutions of Sturm-Liouville and Riccati equations with real or complex potentials. The approximate solutions include WKB approximations, Airy and parabolic cylinder functions, and…

经典分析与常微分方程 · 数学 2016-03-14 Felix Finster , Joel Smoller

This paper discusses regularized estimators in the multivariate statistical model as tools naturally arising within a Bayesian framework. First, a link is established between Bayesian estimation and inference under parameter rounding…

统计方法学 · 统计学 2025-09-15 Jan Kalina

This paper presents a slight improvement of the estimate of sumsets of convex sets with negative discrete third derivative. The proposed method is based on some previous works in incidence geometry and use of spectrum method developed…

组合数学 · 数学 2025-08-07 Jun Ikeda

We obtain an estimate for the volume of neighbourhoods of sets of large curvature in three-dimensional K\"ahler-Einstein manifolds.

微分几何 · 数学 2011-04-22 X-X. Chen , S. K. Donaldson

We prove weak convergence of triangular arrays to the compound Poisson limit using Tikhomirov's method. The result is applied to statistical estimation of the threshold parameter in autoregressive models.

概率论 · 数学 2012-07-19 P. Chigansky , F. C. Klebaner

In this paper, we will prove subadditivity of Kodaira dimensions for a fibration with possibly singular geometric generic fiber, under certain nefness and relative semi-ampleness conditions. As an application, for a fibration $f: X \to Y$…

代数几何 · 数学 2019-07-18 Lei Zhang

We give a new bound on the number of collinear triples for two arbitrary subsets of a finite field. This improves on existing results which rely on the Cauchy inequality. We then us this to provide a new bound on trilinear and quadrilinear…

数论 · 数学 2017-09-01 Simon Macourt

We show that the problem of counting collinear points in a permutation (previously considered by the author and J. Solymosi in "Collinear Points in Permutations", 2005) and the well-known finite plane Kakeya problem are intimately…

组合数学 · 数学 2007-05-23 Joshua N. Cooper

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…

概率论 · 数学 2024-06-21 Ronan Herry , Dominique Malicet , Guillaume Poly

We give an elementary argument to compute the $\alpha$-invariant of this Fano 3-fold, which implies the existence of a Kahler-Einstein metric.

微分几何 · 数学 2007-11-29 S. K. Donaldson

This paper extends our earlier results to higher dimensions using a different approach, based on the rigidity of complex structures on certain domains.

微分几何 · 数学 2011-04-22 X-X. Chen , S. K. Donaldson

We establish Fourier extension estimates for compact subsets of the hyperbolic hyperboloid in three dimensions via polynomial partitioning.

经典分析与常微分方程 · 数学 2020-07-22 Benjamin Bruce

Transformation formulas for four-parameter refinements of the q-trinomial coefficients are proven. The iterative nature of these transformations allows for the easy derivation of several infinite series of q-trinomial identities, and can be…

组合数学 · 数学 2010-06-18 S. Ole Warnaar

We show trilinear Strichartz estimates in one and two dimensions on frequency-dependent time intervals. These improve on the corresponding linear estimates of periodic solutions to the Schr\"odinger equation. The proof combines decoupling…

偏微分方程分析 · 数学 2023-12-12 Robert Schippa

We obtain several estimates for trilinear form with double Kloosterman sums. In particular, these bounds show the existence of nontrivial cancellations between such sums.

数论 · 数学 2017-10-10 Igor Shparlinski

We apply geometric incidence estimates in positive characteristic to prove the optimal $L^2 \to L^3$ Fourier extension estimate for the paraboloid in the four-dimensional vector space over a prime residue field. In three dimensions, when…

组合数学 · 数学 2018-10-08 Misha Rudnev , Ilya D. Shkredov

For any (possibly singular) hyperelliptic curve, we give the definition of a hyperelliptic refined spectral curve and the hyperelliptic refined topological recursion, generalising the formulation for a special class of genus-zero curves by…

数学物理 · 物理学 2024-11-28 Kento Osuga

This work is an extension of previous work by Alazah et al. [M. Alazah, S. N. Chandler-Wilde, and S. La Porte, Numerische Mathematik, 128(4):635-661, 2014]. We split the computation of the Fresnel Integrals into 3 cases: a truncated Taylor…

数值分析 · 数学 2020-11-24 Alexandru Ionut , James C. Hateley

3-manifolds are commonly represented as triangulations, consisting of abstract tetrahedra whose triangular faces are identified in pairs. The combinatorial sparsity of a triangulation, as measured by the treewidth of its dual graph, plays a…

计算几何 · 计算机科学 2026-03-13 Kristóf Huszár , Clément Maria