云南高校图书馆联盟文献共享服务平台- ANNOUNCEMENTS

ANNOUNCEMENTS: 作品数：69被引量：52H指数：5; 导出分析报告; 相关领域：理学医药卫生更多>>; 相关作者：王永杰更多>>; 相关机构：对外经济贸易大学榆林学院更多>>; 相关期刊：《Financial Innovation》《Hepatobiliary & Pancreatic Diseases International》《Journal of Biomedical Science and Engineering》《Journal of Modern Accounting and Auditing》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重点基础研究发展计划Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry更多>>

Store of value or speculative investment?Market reaction to corporate announcements of cryptocurrency acquisition: 《Financial Innovation》2023年第1期3106-3136,共31页AndréD.Gimenes Jéfferson A.Colombo Imran Yousaf; National Council for Scientific and Technological Development–CNPq(Grant#313033/2022-6)and the Silicon Valley Community Foundation for providing financial support to conduct this research throughout the University Blockchain Research Initiative(UBRI).; In this study,we analyze the stock market reaction to 35 events associated with 32 publicly traded companies from six countries that have announced cryptocurrency acquisitions,selling,or acceptance as a means of payme...; 关键词：Corporate cryptocurrency acquisition Bitcoin Cryptocurrency Blockchain Market reaction

Effects of smart agricultural production investment announcements on shareholder value:Evidence from China: 《Journal of Management Science and Engineering》2022年第3期387-404,共18页Weihua Liu Shangsong Long Siyu Wang Ou Tang Jiahe Hou Jiahui Zhang; funded by Major Program of the National Social Science Foundation of China(grant number No.18ZDA060).; The advent of the era of the smart economy has made agricultural production more intelligent.An increasing number of companies have launched a series of investment activities aimed at smart agricultural production(SAP...; 关键词：Smart agriculture production Smart agricultural production investment Stock market reaction Influence factors Empirical research

RESEARCH ANNOUNCEMENTS ON “DPK: DEEP NEURAL NETWORK APPROXIMATION OF THE FIRST PIOLA-KIRCHHOFF STRESS”: 《数学杂志》2022年第4期283-286,共4页YANG Zhi-jian YUAN Cheng; Supported by National Key Research and Development Program of China(2020YFA0714200);National Nature Science Foundation of China(12125103,12071362);Natural Science Foundation of Hubei Province(2021AAA010,2019CFA007);Fundamental Research Funds for the Central Universities。; 1 Introduction and Main Results Consider the first Piola-Kirchhoff stress P defined as[1]P(F)=?W(F)/?F,(1.1)where F and W refer to the deformation tensor and strain energy density.Due to the principle of material fram...; 关键词：DENSITY DEFORMATION STRESS

RESEARCH ANNOUNCEMENTS ON“STRUCTURAL STABILITY OF TRANSONIC SHOCK FLOWS WITH EXTERNAL FORCE”: 《数学杂志》2022年第3期189-192,共4页WENG Shang-kun YANG Wen-gang; Supported By National Natural Science Foundation(11701431,11971307,12071359)。; 1 Introduction and Main Results The studies of transonic shock solutions for inviscid compressible flows in different kinds of nozzles had a long history and had obtained many important new achievements during the pas...; 关键词：shock COMPRESSIBLE FLOWS

The Effects of FED’s and ECB’s QE Announcements on Exchange Rates of Bitcoin,Euro,and Dollar in the Period of COVID-19:An Event Study Approach: 《Journal of Modern Accounting and Auditing》2022年第5期212-224,共13页Sofia Karagiannopoulou Paris Patsis Nikolaos Sariannidis; Corresponding to the pandemic COVID-19,both FED and ECB were committed to using their full range of tools,such as the helicopter money policy and a new quantitative easing programme to support the economy in this chal...; 关键词：monetary policy Central Bank financial market

RESEARCH ANNOUNCEMENTS ON“STABILITY OF RAREFACTION WAVES OF THE COMPRESSIBLE NAVIER-STOKES-POISSON SYSTEM WITH LARGE INITIAL PERTURBATION”: 《数学杂志》2022年第2期95-102,共8页ZHANG Lan ZHAO Hui-jiang ZHAO Qing-song; Supported by the National Natural Science Foundation of China(12101472,11731008)。; 1 Introduction and Main Results In this paper,we study the dynamics of compressible viscous charged particles consisting of two-species particles(e.g.,ions and electrons)under the influence of the self-consistent elec...; 关键词：COMPRESSIBLE system SIMPLICITY

RESEARCH ANNOUNCEMENTS ON“ON TIDAL ENERGY IN NEWTONIAN TWO-BODY MOTION WITH INFINITE INITIAL SEPARATION”: 《数学杂志》2022年第2期103-107,共5页MIAO Shuang ZHANG Lan; Supported by the National Natural Science Foundation of China(12071360,12101472)。; 1 Introduction and Main Results In[7],we have studied the evolution of tidal energy for the motion of two gravitating incompressible fluid balls with free boundaries obeying the Euler-Poisson equations.; 关键词：equations. TIDAL evolution

RESEARCH ANNOUNCEMENTS ON "UPPER BOUND ESTIMATES OF EIGENVALUES FOR HORMANDER OPERATORS ON NON-EQUIREGULAR SUB-RIEMANNIAN MANIFOLDS": 《数学杂志》2022年第1期1-5,共5页CHEN Hua CHEN Hong-ge LI Jin-ning; Supported by National Natural Science Foundation of China(11631011;11626251);China Postdoctoral Science Foundation(2021M703282)。; 1 Introduction and Main Results For n≥2,let M be a n-dimensional connected smooth manifold.We take a fixed smooth measure on M with strictly positive density,and write dx as the measure when we integrate.Also,we simp...; 关键词：manifold. simply STRICTLY

RESEARCH ANNOUNCEMENTS ON "MODERATE DEVIATIONS FOR GRENANDER ESTIMATOR NEAR BOUNDARIES OF THE SUPPORT": 《数学杂志》2022年第1期6-8,共3页GAO Fu-qing JIANG Hui ZHAO Xing-qiu; Supported by National Natural Science Foundation of China(11971361,11731012,11771209);Research Grant Council of Hong Kong(15301218,15303319,15306521)。; 1 Introduction and Main Results Let f be a decreasing density with support[0,∞).Denote by Fn the empirical distribution function of a sample X_(1),...,X_(n) from f.Let F_(n) be the concave majorant of F_(n) on[0,∞)...; 关键词：CONCAVE RATE

《数学杂志》开设新栏目Research Announcements的通知: 《数学杂志》2021年第6期F0003-F0003,共1页《数学杂志》编辑部; 尊敬的编委、同行评议专家、作者为快速向外界通报国内外优秀的原创性数学成果,《数学杂志》决定于2020年开设一档新的英文栏目Research Announcements,其具体功能和录用规则如下:(1) Research Announcements.用以通报纯粹数学和应用数...; 关键词：数学杂志纯粹数学应用数学同行评议原创性成果新栏目研究成果

ANNOUNCEMENTS