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Dealing with NP-hard problems, kernelization is a fundamental notion for polynomial-time data reduction with performance guarantees: in polynomial time, a problem instance is reduced to an equivalent instance with size upper-bounded by a…

数据结构与算法 · 计算机科学 2022-12-26 Matthias Bentert , René van Bevern , Till Fluschnik , André Nichterlein , Rolf Niedermeier

We propose and analyze two regularized finite difference methods for the logarithmic Klein-Gordon equation (LogKGE). Due to the blowup phenomena caused by the logarithmic nonlinearity of the LogKGE, it is difficult to construct numerical…

偏微分方程分析 · 数学 2020-06-16 Jingye Yan , Hong Zhang , Xu Qian , Songhe Song

Aaronson and Ambainis (SICOMP `18) showed that any partial function on $N$ bits that can be computed with an advantage $\delta$ over a random guess by making $q$ quantum queries, can also be computed classically with an advantage $\delta/2$…

量子物理 · 物理学 2020-11-18 Nikhil Bansal , Makrand Sinha

We study the correlation functions of the Pfaffian Schur process. Borodin and Rains [J. Stat. Phys. 121 (2005), 291-317] introduced the Pfaffian Schur process and derived its correlation functions using a Pfaffian analogue of the…

概率论 · 数学 2019-11-27 Promit Ghosal

Random feature maps are used to decrease the computational cost of kernel machines in large-scale problems. The Mondrian kernel is one such example of a fast random feature approximation of the Laplace kernel, generated by a computationally…

机器学习 · 计算机科学 2025-03-13 Calvin Osborne , Eliza O'Reilly

In this paper we consider the kernel of the radially deformed Fourier transform introduced in the context of Clifford analysis in [10]. By adapting the Laplace transform method from [4], we obtain the Laplace domain expressions of the…

经典分析与常微分方程 · 数学 2024-08-09 Hendrik De Bie , Ze Yang

In this paper, a new notion, named Riemann-Liouville fractional cosine function is presented. It is proved that a Riemann-Liouville $\alpha$-order fractional cosine function is equivalent to Riemann-Liouville $\alpha$-order fractional…

泛函分析 · 数学 2015-05-07 Zhan-Dong Mei , Ji-Gen Peng

We offer a solution to a functional equation using properties of the Mellin transform. A new criteria for the Riemann Hypothesis is offered as an application of our main result, through a functional relationship with the Riemann xi…

经典分析与常微分方程 · 数学 2022-06-03 Alexander E Patkowski

The Drell-Levy-Yan relation is employed to obtain pion and kaon elementary fragmentation functions (EFFs) from the hadron-scale parton distribution functions (DFs) of these mesons. Two different DF sets are used: that calculated using a…

高能物理 - 唯象学 · 物理学 2025-10-27 Hui-Yu Xing , Wen-Hao Bian , Zhu-Fang Cui , Craig D. Roberts

Modified Klein-Gordon-Fock equations were obtained on the basis of one-dimensional chaotic dynamics. The original Lagrangians were found. The concepts of \textit{m}-exponential map and groups with broken symmetry are introduced. A system of…

数学物理 · 物理学 2013-02-14 D. B. Volov

The mathematical logic of a true nature of mirror symmetry expresses, in the case of the Dirac Lagrangian, the ideas of the left- and right-handed photons referring to long- and short-lived particles, respectively. Such a difference in…

综合物理 · 物理学 2017-03-20 Rasulkhozha S. Sharafiddinov

This paper studies a machine learning regression problem as a multivariate approximation problem using the framework of the theory of random functions. An ab initio derivation of a regression method is proposed, starting from postulates of…

机器学习 · 计算机科学 2025-12-16 Yuriy N. Bakhvalov

We study some thermodynamics quantities for the Klein-Gordon equation with a linear plus inverse-linear, scalar potential. We obtain the energy eigenvalues with the help of the quantization rule coming from the biconfluent Heun's equation.…

量子物理 · 物理学 2017-02-14 Altug Arda , Cevdet Tezcan , Ramazan Sever

This work belongs to the framework of inverse problems with linear model. The resolution of this type of problem consists in minimizing (possibly under constraints) a function of discrepancy between the measurements and a physical model of…

信息论 · 计算机科学 2021-09-28 Henri Lantéri

We consider a system of multiscale stochastic differential equations whose slow component is drivenby a fractional Brownian motion with Hurst parameter H greater than 1/2. Under ergodic assumptions ensuring the applicability of the…

概率论 · 数学 2025-12-10 Xue-Mei Li , Colin Piernot , Szymon Sobczak , Kexing Ying

Covariate shift occurs prevalently in practice, where the input distributions of the source and target data are substantially different. Despite its practical importance in various learning problems, most of the existing methods only focus…

机器学习 · 统计学 2023-10-20 Xingdong Feng , Xin He , Caixing Wang , Chao Wang , Jingnan Zhang

This research was mainly conducted to explore the possibility of formulating an efficient algorithm to find roots of nonlinear equations without using the derivative of the function. The Weerakoon-Fernando method had been taken as the base…

数值分析 · 数学 2021-02-05 S. L. Heenatigala , S. Weerakoon , T. G. I. Fernando

This paper considers the strong error analysis of the Euler and fast Euler methods for nonlinear overdamped generalized Langevin equations driven by the fractional noise. The main difficulty lies in handling the interaction between the…

数值分析 · 数学 2023-02-21 Xinjie Dai , Jialin Hong , Derui Sheng , Tau Zhou

Compared to basic fork-join queues, a job in (n, k) fork-join queues only needs its k out of all n sub-tasks to be finished. Since (n, k) fork-join queues are prevalent in popular distributed systems, erasure coding based cloud storages,…

性能 · 计算机科学 2018-08-10 Huajin Wang , Jianhui Li , Zhihong Shen , Yuanchun Zhou

We study four problems namely, Campbell's source coding problem, Arikan's guessing problem, Huieihel et al.'s memoryless guessing problem, and Bunte and Lapidoth's task partitioning problem. We observe a close relationship among these…

信息论 · 计算机科学 2019-07-17 M. Ashok Kumar , Albert Sunny , Ashish Thakre , Ashisha Kumar