数学研究通讯Pub Date : 2023-06-01DOI: 10.4208/cmr.2022-0038
Sayed Hamid Hashimi, Zhi-Qiang Wang null, Lin Zhang
{"title":"On a Class of Quasilinear Elliptic Equations","authors":"Sayed Hamid Hashimi, Zhi-Qiang Wang null, Lin Zhang","doi":"10.4208/cmr.2022-0038","DOIUrl":"https://doi.org/10.4208/cmr.2022-0038","url":null,"abstract":"","PeriodicalId":66427,"journal":{"name":"数学研究通讯","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46303655","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
数学研究通讯Pub Date : 2023-06-01DOI: 10.4208/cmr.2022-0031
Chunlan Jiang null, Yang Cao
{"title":"Advance in Operator Theory and Jiang's Seven Questions","authors":"Chunlan Jiang null, Yang Cao","doi":"10.4208/cmr.2022-0031","DOIUrl":"https://doi.org/10.4208/cmr.2022-0031","url":null,"abstract":"","PeriodicalId":66427,"journal":{"name":"数学研究通讯","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70516321","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
数学研究通讯Pub Date : 2023-01-01DOI: 10.4208/cmr.2021-0048
Xian-gao Liu, Yueli Liu, Zixuan Liu
{"title":"Regularity for 3-D MHD Equations in Lorentz Space $L^{3,∞}$","authors":"Xian-gao Liu, Yueli Liu, Zixuan Liu","doi":"10.4208/cmr.2021-0048","DOIUrl":"https://doi.org/10.4208/cmr.2021-0048","url":null,"abstract":"The regularity for 3-D MHD equations is considered in this paper, it is proved that the solutions (v,B,p) are Hölder continuous if the velocity field v∈L∞(0,T;L x (R 3)) with local small condition r ∣∣ { x∈Br(x0) : |v(x,t0)|> εr −1 ∣∣≤ ε and the magnetic field B∈L∞(0,T;VMO−1(R3)). AMS subject classifications: 35Q35, 76B03, 76D03","PeriodicalId":66427,"journal":{"name":"数学研究通讯","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70516191","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
数学研究通讯Pub Date : 2023-01-01DOI: 10.4208/cmr.2021-0108
Xinxin Jing, Chunpeng Wang null, Mingjun Zhou
{"title":"Asymptotic Behavior of Solutions to a Class of Semilinear Parabolic Equations with Boundary Degeneracy","authors":"Xinxin Jing, Chunpeng Wang null, Mingjun Zhou","doi":"10.4208/cmr.2021-0108","DOIUrl":"https://doi.org/10.4208/cmr.2021-0108","url":null,"abstract":"","PeriodicalId":66427,"journal":{"name":"数学研究通讯","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70516290","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
数学研究通讯Pub Date : 2022-11-21DOI: 10.17758/dirpub12.dir1122413
Dr. Apirat Akaraphattanawong, Dr. Hambalee Jehma
{"title":"Hybrid Learning: A Qualitative Study of Learners’ Anxiety in Language Classrooms","authors":"Dr. Apirat Akaraphattanawong, Dr. Hambalee Jehma","doi":"10.17758/dirpub12.dir1122413","DOIUrl":"https://doi.org/10.17758/dirpub12.dir1122413","url":null,"abstract":": This qualitative study aims to investigate the sources of foreign language anxiety among undergraduate students participating in the hybrid learning classrooms. The primary objective of this study was to identify factors that may cause foreign language classroom anxiety, and factors that may reduce anxiety to better understand the impact that anxiety may have in learning an English as a foreign language. The sample groups in the study were purposively selected from the students studying English course as a compulsory subject in a Thai university. To collect the data, a semi-structured interviews has been employed. The data, then, were qualitatively analyzed through the thematic analysis. The findings show that the psycholinguistics, and socio-cultural aspects of language learning and communication that may induce English language anxiety among EFL students in the language classroom. The necessity of English language teachers identifying and understanding these anxiety provoking causes to create an anxiety-free learning environment which helps students make progress in their English development.","PeriodicalId":66427,"journal":{"name":"数学研究通讯","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79784290","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
数学研究通讯Pub Date : 2022-11-21DOI: 10.17758/dirpub12.ed11221010
{"title":"Emotion Regulation in Education in Chaotic Era of COVID-19 Pandemic","authors":"","doi":"10.17758/dirpub12.ed11221010","DOIUrl":"https://doi.org/10.17758/dirpub12.ed11221010","url":null,"abstract":"","PeriodicalId":66427,"journal":{"name":"数学研究通讯","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72691508","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
数学研究通讯Pub Date : 2022-11-21DOI: 10.17758/dirpub12.ur1122217
{"title":"Quality Characteristics of Fresh Cut Oregano (Origanum Vulgare L.) Depending on Packaging Material During Cold Storage","authors":"","doi":"10.17758/dirpub12.ur1122217","DOIUrl":"https://doi.org/10.17758/dirpub12.ur1122217","url":null,"abstract":"","PeriodicalId":66427,"journal":{"name":"数学研究通讯","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85822065","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}