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NORMAL: 作品数：1325被引量：2690H指数：18; 导出分析报告; 相关领域：医药卫生更多>>; 相关作者：吴志强陈予恕毛天然苗春梅王伟更多>>; 相关机构：河南大学天津大学首都医科大学西安石油大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划国家教育部博士点基金中国博士后科学基金更多>>

Robust tests of stock return predictability under heavy-tailed innovations: 《Applied Mathematics(A Journal of Chinese Universities)》2025年第1期149-168,共20页WONG Hsin-Chieh CHUNG Meng-Hua FUH Cheng-Der PANG Tian-xiao; The research of WONG Hsin-Chieh is partially supported by the NSTC(111-2118-M-305-004-MY2);the research of PANG Tian-xiao is partially supported by the National Social Science Foundation of China(21BTJ067)。; This paper provides a robust test of predictability under the predictive regression model with possible heavy-tailed innovations assumption,in which the predictive variable is persistent and its innovations are highly...; 关键词：domain of attraction of the normal law heavy-tailed least squares estimator predictive regres-sion unit root robust test

Detection of Earth’s free oscillation and analysis of the non-synchronous oscillation phenomenon of normal modes: 《Geoscience Frontiers》2025年第1期141-153,共13页Yingqi Zhang Gong Xu Chenchen Wang Yaxin Zhao Zheng Mu Yunhao Fan Changwei Jing; supported by Natural Science Foundation of China(No.41704003);Shandong Provincial Natural Science Foundation(No.ZR2021MD031).; Earth’s free oscillation can provide essential constraints for refining Earth models,inverting seismic source mechanisms,and studying the deep internal structure of the Earth.Large earthquakes can simultaneously exci...; 关键词：Normal time-frequency transform Phase consistency Normal modes Mode splitting Mode detection

On Some Cardinal Properties of the Space P_(f)(X) of Probability Measures: 《Communications in Mathematical Research》2024年第4期383-399,共17页Shavkat Ayupov Nodirbek Mamadaliev; In this paper,given a compact space X,we construct a continuous mapping from the space Pf(X) of all probability measures on X into the space of maximal linked systems of closed subsets of X.Also,we investigate the beh...; 关键词：Probability measure functional tightness local density normal functor su-perextension.

On the Higher Moments of Coefficients Attached to Dedekind Zeta Function: 《数学进展》2024年第6期1188-1198,共11页HUA Guodong; Supported in part by NSFC (Nos.12401011,12201214);National Key Research and Development Program of China (No.2021YFA1000700);Natural Science Basic Research Program of Shaanxi (Nos.2023-JC-QN-0024,2023-JC-YB-077);Foundation of Shaanxi Educational Committee (No.2023-JCYB-013);Shaanxi Fundamental Science Research Project for Mathematics and Physics (Nos.23JSQ053,22JSQ010);Scientific Research Foundation of WNU。; Let K_(3) be a non-normal cubic extension over Q.In this paper,we investigate the higher moments of the coefficients a_(K_(3))(n) of Dedekind zeta function over sum of two squares of the following types■ where l≥9 i...; 关键词：non-normal cubic field Dedekind zeta function Rankin-Selberg L-function

A classification of two-generator Δ_(2-p)-groups: 《纯粹数学与应用数学》2024年第4期726-737,共12页HOU Xinru WANG Lifang; 国家自然科学基金(12371022,12271318);山西省自然科学基金(202203021211251).; Let G be a finite group,H be a nonnormal subgroup of G.The subgroup H^(G)=is called the normal closure of H in G.Let Δ(G)={|HG||H 5 G}.G is called aΔk-group if |Δ(G)|=k.AΔ_(k-p)-group means G is both a...; 关键词：Dedekind group normal closure the center of a group

New Probability Distributions in Astrophysics: XIII. Truncation for the Benini Distribution: 《International Journal of Astronomy and Astrophysics》2024年第3期203-219,共17页Lorenzo Zaninetti; In order to introduce a right truncated version of the Benini distribution, we derive its probability density function, its distribution function, its average value, its kth moment about the origin, its median, how to...; 关键词：Stars: Normal Stars: Luminosity Function Mass Function Stars: Statistics

Normal edge-transitive Cayley graphs on a class of non-abelian groups: 《Frontiers of Mathematics in China》2024年第4期215-227,共13页Nuo LI Qi DENG Hua ZHANG; Let Г=Cay(G,S)be the Cayley graph of a group G with respect to its subset S.The graph is said to be normal edge-transitive if the normalizer of G in the automorphism group Aut(T)of F acts transitively on the edge set...; 关键词：Cayley graph symmetric graph normal edge-transitivity

Normal Crossings Singularities for Symplectic Topology:Structures: 《Acta Mathematica Sinica,English Series》2024年第1期107-160,共54页Mohammad FARAJZADEH-TEHRANI Mark MCLEAN Aleksey ZINGER; Supported by NSF grants DMS-2003340(F.Tehrani);DMS-1811861(Mclean);DMS-1901979(Zinger)。; Our previous papers introduce topological notions of normal crossings symplectic divisor and variety,show that they are equivalent,in a suitable sense,to the corresponding geometric notions,and establish a topological...; 关键词：Normal crossings divisor Chern class Logarithmic tangent bundle

Two upper bounds for the Erdos-Hooley Delta-function被引量：1: 《Science China Mathematics》2023年第12期2683-2692,共10页Regis de la Breteche Gerald Tenenbaum; For integer n≥1 and real u,let Δ(n,u):=|{d:d] n,e^(u); 关键词：concentration of divisors average order normal order Waring’s problem

The Bivariate Normal Integral via Owen’s T Function as a Modified Euler’s Arctangent Series: 《American Journal of Computational Mathematics》2023年第4期476-504,共29页Janez Komelj; The Owen’s T function is presented in four new ways, one of them as a series similar to the Euler’s arctangent series divided by 2π, which is its majorant series. All possibilities enable numerically stable and ...; 关键词：Owen’s T Function Bivariate Normal Integral Euler’s Arctangent Series RECURSION R Package Phi2rho

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