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Some interpretations of the $(k,p)$-Fibonacci numbers $(k,p)$-斐波那契数列的一些解释
IF 0.2
Commentationes Mathematicae Universitatis Carolinae Pub Date : 2021-10-28 DOI: 10.14712/1213-7243.2021.026
 Paja Natalia, Włoch Iwona
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引用次数: 4
On the distribution of the roots of polynomial $z^k-z^{k-1}-dots - z-1$ 关于多项式$z^k-z的根的分布^{k-1}-点-z-1$
IF 0.2
Commentationes Mathematicae Universitatis Carolinae Pub Date : 2021-10-28 DOI: 10.14712/1213-7243.2021.025
 Gómez Carlos A., L. Florian
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引用次数: 1
Classification of quasigroups according to directions of translations II 根据翻译方向对拟群的分类Ⅱ
IF 0.2
Commentationes Mathematicae Universitatis Carolinae Pub Date : 2021-10-28 DOI: 10.14712/1213-7243.2021.021
 Sokhatsky Fedir, L. Alla
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引用次数: 0
Non-normality points and nice spaces 非正规点与漂亮空间
IF 0.2
Commentationes Mathematicae Universitatis Carolinae Pub Date : 2021-10-28 DOI: 10.14712/1213-7243.2021.019
 Logunov Sergei
{"title":"Non-normality points and nice spaces","authors":" Logunov Sergei","doi":"10.14712/1213-7243.2021.019","DOIUrl":"https://doi.org/10.14712/1213-7243.2021.019","url":null,"abstract":"","PeriodicalId":44396,"journal":{"name":"Commentationes Mathematicae Universitatis Carolinae","volume":" ","pages":""},"PeriodicalIF":0.2,"publicationDate":"2021-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49490643","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}
引用次数: 0
Notes on generalizations of Bézout rings 关于bsamzout环推广的注解
IF 0.2
Commentationes Mathematicae Universitatis Carolinae Pub Date : 2021-10-28 DOI: 10.14712/1213-7243.2021.020
 El Alaoui Haitham, Mouanis Hakima
{"title":"Notes on generalizations of Bézout rings","authors":" El Alaoui Haitham, Mouanis Hakima","doi":"10.14712/1213-7243.2021.020","DOIUrl":"https://doi.org/10.14712/1213-7243.2021.020","url":null,"abstract":"","PeriodicalId":44396,"journal":{"name":"Commentationes Mathematicae Universitatis Carolinae","volume":" ","pages":""},"PeriodicalIF":0.2,"publicationDate":"2021-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48978987","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}
引用次数: 0
Decomposition of Cartesian product of complete graphs into paths and stars with four edges 完备图的笛卡尔积分解为四边路径和星形
IF 0.2
Commentationes Mathematicae Universitatis Carolinae Pub Date : 2021-10-28 DOI: 10.14712/1213-7243.2021.024
 Ezhilarasi Arockiajeyaraj P., Muthusamy Appu
{"title":"Decomposition of Cartesian product of complete graphs into paths and stars with four edges","authors":" Ezhilarasi Arockiajeyaraj P., Muthusamy Appu","doi":"10.14712/1213-7243.2021.024","DOIUrl":"https://doi.org/10.14712/1213-7243.2021.024","url":null,"abstract":"","PeriodicalId":44396,"journal":{"name":"Commentationes Mathematicae Universitatis Carolinae","volume":" ","pages":""},"PeriodicalIF":0.2,"publicationDate":"2021-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47152457","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}
引用次数: 2
Hyperspace selections avoiding points 超空间选择避免点
IF 0.2
Commentationes Mathematicae Universitatis Carolinae Pub Date : 2021-10-13 DOI: 10.14712/1213-7243.2022.026
V. Gutev
{"title":"Hyperspace selections avoiding points","authors":"V. Gutev","doi":"10.14712/1213-7243.2022.026","DOIUrl":"https://doi.org/10.14712/1213-7243.2022.026","url":null,"abstract":"In this paper, we deal with a hyperspace selection problem in the setting of connected spaces. We present two solutions of this problem illustrating the difference between selections for the nonempty closed sets, and those for the at most two-point sets. In the first case, we obtain a characterisation of compact orderable spaces. In the latter case -- that of selections for at most two-point sets, the same selection property is equivalent to the existence of a ternary relation on the space, known as a cyclic order, and gives a characterisation of the so called weakly cyclically orderable spaces.","PeriodicalId":44396,"journal":{"name":"Commentationes Mathematicae Universitatis Carolinae","volume":"1 1","pages":""},"PeriodicalIF":0.2,"publicationDate":"2021-10-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41554815","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}
引用次数: 0
Harmonic deformability of planar curves 平面曲线的谐波变形能力
IF 0.2
Commentationes Mathematicae Universitatis Carolinae Pub Date : 2021-08-03 DOI: 10.14712/1213-7243.2021.016
 Symeonidis Eleutherius
{"title":"Harmonic deformability of planar curves","authors":" Symeonidis Eleutherius","doi":"10.14712/1213-7243.2021.016","DOIUrl":"https://doi.org/10.14712/1213-7243.2021.016","url":null,"abstract":"","PeriodicalId":44396,"journal":{"name":"Commentationes Mathematicae Universitatis Carolinae","volume":" ","pages":""},"PeriodicalIF":0.2,"publicationDate":"2021-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42070486","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}
引用次数: 0
On atomic ideals in some factor rings of $C(X,Bbb Z)$ 关于$C（X，Bbb Z）的某些因子环中的原子理想$
IF 0.2
Commentationes Mathematicae Universitatis Carolinae Pub Date : 2021-08-03 DOI: 10.14712/1213-7243.2021.013
Olfati Alireza
{"title":"On atomic ideals in some factor rings of $C(X,Bbb Z)$","authors":"Olfati Alireza","doi":"10.14712/1213-7243.2021.013","DOIUrl":"https://doi.org/10.14712/1213-7243.2021.013","url":null,"abstract":"","PeriodicalId":44396,"journal":{"name":"Commentationes Mathematicae Universitatis Carolinae","volume":" ","pages":""},"PeriodicalIF":0.2,"publicationDate":"2021-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47131241","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}
引用次数: 1
Conformal Killing graphs in foliated Riemannian spaces with density: rigidity and stability 具有密度的叶状黎曼空间中的共形杀伤图:刚性和稳定性
IF 0.2
Commentationes Mathematicae Universitatis Carolinae Pub Date : 2021-08-03 DOI: 10.14712/1213-7243.2021.017
L. A. V. Marco, F. A. R. André, F. Henrique, S Santos Márcio, M. S. O. Arlandson
{"title":"Conformal Killing graphs in foliated Riemannian spaces with density: rigidity and stability","authors":"L. A. V. Marco, F. A. R. André, F. Henrique, S Santos Márcio, M. S. O. Arlandson","doi":"10.14712/1213-7243.2021.017","DOIUrl":"https://doi.org/10.14712/1213-7243.2021.017","url":null,"abstract":"","PeriodicalId":44396,"journal":{"name":"Commentationes Mathematicae Universitatis Carolinae","volume":" ","pages":""},"PeriodicalIF":0.2,"publicationDate":"2021-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42218861","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}
引用次数: 0
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