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P-SYSTEM: 作品数：14被引量：28H指数：4; 导出分析报告; 相关领域：农业科学更多>>; 相关作者：贺仲雄张娟陈吉华夏新军更多>>; 相关机构：北京交通大学国防科学技术大学湖南科技大学更多>>; 相关期刊：《World Journal of Gastroenterology》《Science China Mathematics》《Acta Mathematica Sinica,English Series》《计算机工程与应用》更多>>; 相关基金：国家自然科学基金中国博士后科学基金国家高技术研究发展计划更多>>

Greedy is Good:Constrained Non-submodular Function Maximization via Weak Submodularity: 《Journal of the Operations Research Society of China》2024年第3期627-648,共22页Ma-Jun Shi Wei Wang; supported by the National Natural Science Foundation of China(No.11971376).; The widely used greedy algorithm has been recently shown to achieve near-optimal theoretical guarantees for the problems of constrained monotone non-submodular function maximization,with competitive performances in pr...; 关键词：Non-submodular function p-matroid intersection p-extendible system P-SYSTEM Greedy algorithm

THE GLOBAL EXISTENCE OF BV SOLUTIONS OF THE ISENTROPIC p-SYSTEM WITH LARGE INITIAL DATA: 《Acta Mathematica Scientia》2023年第4期1668-1674,共7页吴菲王泽军陈芳启; partially the NSFC(11671193);Fangqi Chen was partially the NSFC(12172166,11872201)。; In this paper,we study the global existence of BV solutions of the initial value problem for the isentropic p-system,where the state equation of the gas is given by P=Av^(-γ).Forγ>1,the general existence result for ...; 关键词：conservation laws P-SYSTEM vanishing viscosity method BV solutions

Reflection and Refraction of Waves Across an Interface of Two-phase Flow: 《Acta Mathematicae Applicatae Sinica》2021年第1期137-147,共11页Kai HU Hui KAN Chun-lei TANG Xiao-zhou YANG; Supported by the National Natural Science Foundation of China(No.11901475);China Postdoctoral Science Foundation(No.2019M653815XB);Chongqing Special Postdoctoral Science Foundation(No.XmT2018045)。; We investigate a hyperbolic system of one-dimensional isothermal fluid with liquid-vapor phase transition.The refraction-reflection phenomena are intensively analyzed when elementary waves travel across the two-phase ...; 关键词：P-SYSTEM two-phase fluid Hodograph transform Volterra equation

Generation of Interactive Questionnaires Using YAWL-based Workflow Models: 《Management Studies》2015年第6期273-280,共8页Raimond Wust Stephan Butikofer Jurgen Spielberger Jorg Sigrist; A concept is introduced in this article which has strong practical impact for computer aided system configuration. System configuration is a cumbersome and fault sensitive task while setting up systems in a broad rang...; 关键词：workflow modeling interactive questionnaire algorithmic process analysis workflow graph reduction formal workflow consistence ERP-system setup system automation

First report of colonoscopic closure of a gastrocolocutaneous PEG migration with over-the-scope-clip-system被引量：4: 《World Journal of Gastroenterology》2014年第32期11439-11442,共4页Reto Bertolini Christa Meyenberger Michael Christian Sulz; Percutaneous endoscopic gastrostomy(PEG) is a common practice for long-term nutrition of patients who are unable to take oral food. We report of an 85-year old man with a history of recurrent larynx carcinoma and hemi...; 关键词：Over-the-scope-clip Over-the-scope-clip system Enterocutaneous fistula Colon Buried bumper Percutaneous endoscopic gastrostomy Complication MIGRATION

BOUNDARY LAYER SOLUTION FOR p-SYSTEM WITH ARTIFICIAL VISCOSITY被引量：1: 《Acta Mathematica Scientia》2009年第5期1233-1240,共8页秦晓红; Partially supported by NSFC-NSAF (10676037) and NUST; An initial-boundary values problem in the half space （0, ∞ ） for p-system with artificial viscosity is investigated. It is shown that there exists a boundary layer solution. It is further proved that the boundary l...; 关键词：P-SYSTEM boundary layer solution large perturbation

L^p-decay rates to nonlinear diffusion waves for p-system with nonlinear damping被引量：11: 《Science China Mathematics》2006年第6期721-739,共19页ZHU Changjiang JIANG Mina; supported by the Program for New Century Excellent Talents in University(Grant No.NCET-04-0745);the Key Project of the National Natural Science Foundation of China(Grant No.10431060);the Key Project of Chinese Ministry of Education(Grant No.104128),respectively.; In this paper, we study the Lp (2≤p≤ +∞) convergence rates of the solutions to the Cauchy problem of the so-called p-system with nonlinear damping. Precisely, we show that the corresponding Cauchy problem admits a ...; 关键词：NONLINEAR damping NONLINEAR diffusion waves CONVERGENCE rates energy estimates.

Zero Dissipation Limit to Rarefaction Waves for the p-System被引量：1: 《Acta Mathematica Sinica,English Series》2005年第5期1229-1240,共12页Hui Ying WANG; We study the zero-dissipation problem for a one-dimensional model system for the isentropic flow of a compressible viscous gas, the so-called p-system with viscosity. When the solution of the inviscid problem is a rar...; 关键词：Zero dissipation problem P-SYSTEM Centered rarefaction wave

SoC中基于OCP-SystemC的虚部件库设计研究: 《计算机工程与应用》2005年第8期98-100,197,共4页夏新军陈吉华; 国家863高技术研究发展计划(编号:2002AA1Z1480); 在传统的软硬件协同设计中,硬件采用的是RTL描述(用硬件描述语言HDL描述),而软件通常采用C或者C++语言进行描述,这种语言描述的不一致会加大协同验证仿真的难度,从而导致系统设计过程的反复。文章提出了一种基于OCP-SystemC的虚部件库...; 关键词：SOC SYSTEMC OCP协议虚部件库虚部件级SoC系统

On the Stability of Rarefaction Wave Solutions for Viscous p-system with Boundary Effect被引量：6: 《Acta Mathematicae Applicatae Sinica》2003年第2期341-352,共12页Xiao-ding ShiDepartment of Mathematics and Computer Science, School of Science, Beijing University of Chemical Technology, Beijing 100029, China; Abstract The inflow problem in the supersonic case for a one-dimensional compressible viscous gas on the half line (0,+X) is investigated. A stability theorem concerning the long time behavior of rarefaction wave is e...; 关键词：Keywords Compressible flow inflow problem rarefaction wave stability

P-SYSTEM