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Entire function sharing two polynomials with its $k$char116char104 derivative 整个函数与它的导数$k$char116char104共享两个多项式
IF 0.5
Mathematica Bohemica Pub Date : 2023-03-03 DOI: 10.21136/mb.2023.0017-22
S. Majumder, Nabadwip Sarkar
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引用次数: 0
The unit group of some fields of the form $mathbb{Q}(sqrt2, sqrt{p}, sqrt{q}, sqrt{-ell})$ 形式为$mathbb｛Q｝（sqrt2，sqrt｛p｝，sqr｛Q｝， sqrt｛-ell｝）的某些字段的单位群$
IF 0.5
Mathematica Bohemica Pub Date : 2023-02-09 DOI: 10.21136/mb.2023.0077-22
Moha Ben Taleb El Hamam
{"title":"The unit group of some fields of the form $mathbb{Q}(sqrt2, sqrt{p}, sqrt{q}, sqrt{-ell})$","authors":"Moha Ben Taleb El Hamam","doi":"10.21136/mb.2023.0077-22","DOIUrl":"https://doi.org/10.21136/mb.2023.0077-22","url":null,"abstract":"","PeriodicalId":45392,"journal":{"name":"Mathematica Bohemica","volume":null,"pages":null},"PeriodicalIF":0.5,"publicationDate":"2023-02-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42459455","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
Oscillation of second-order quasilinear retarded difference equations via canonical transform 二阶拟线性时滞差分方程的正则变换振荡
IF 0.5
Mathematica Bohemica Pub Date : 2023-01-23 DOI: 10.21136/mb.2023.0090-22
G. Chatzarakis, Deepalakshmi Rajasekar, Saravanan Sivagandhi, E. Thandapani
{"title":"Oscillation of second-order quasilinear retarded difference equations via canonical transform","authors":"G. Chatzarakis, Deepalakshmi Rajasekar, Saravanan Sivagandhi, E. Thandapani","doi":"10.21136/mb.2023.0090-22","DOIUrl":"https://doi.org/10.21136/mb.2023.0090-22","url":null,"abstract":"","PeriodicalId":45392,"journal":{"name":"Mathematica Bohemica","volume":null,"pages":null},"PeriodicalIF":0.5,"publicationDate":"2023-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43333537","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
On a theorem of Mchar99Coy 关于Mchar99Coy的一个定理
IF 0.5
Mathematica Bohemica Pub Date : 2023-01-17 DOI: 10.21136/mb.2023.0031-22
R. Sharma, A. B. Singh
{"title":"On a theorem of Mchar99Coy","authors":"R. Sharma, A. B. Singh","doi":"10.21136/mb.2023.0031-22","DOIUrl":"https://doi.org/10.21136/mb.2023.0031-22","url":null,"abstract":"","PeriodicalId":45392,"journal":{"name":"Mathematica Bohemica","volume":null,"pages":null},"PeriodicalIF":0.5,"publicationDate":"2023-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42733222","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
Correction to: A power of a meromorphic function sharing two small functions with a derivative of the power 修正:一个亚纯函数的幂，其幂的导数有两个小函数
Mathematica Bohemica Pub Date : 2023-01-10 DOI: 10.21136/mb.2023.0008-23
Indrajit Lahiri, Sujoy Majumder
{"title":"Correction to: A power of a meromorphic function sharing two small functions with a derivative of the power","authors":"Indrajit Lahiri, Sujoy Majumder","doi":"10.21136/mb.2023.0008-23","DOIUrl":"https://doi.org/10.21136/mb.2023.0008-23","url":null,"abstract":"","PeriodicalId":45392,"journal":{"name":"Mathematica Bohemica","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136327260","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
Strong endomorphism kernel property for finite Brouwerian semilattices and relative Stone algebras 有限Brouwerian半格和相关Stone代数的强自同态核性质
IF 0.5
Mathematica Bohemica Pub Date : 2023-01-04 DOI: 10.21136/mb.2023.0050-22
J. Guričan, Heghine Ghumashyan
{"title":"Strong endomorphism kernel property for finite Brouwerian semilattices\u0000 \u0000and relative Stone algebras","authors":"J. Guričan, Heghine Ghumashyan","doi":"10.21136/mb.2023.0050-22","DOIUrl":"https://doi.org/10.21136/mb.2023.0050-22","url":null,"abstract":"","PeriodicalId":45392,"journal":{"name":"Mathematica Bohemica","volume":null,"pages":null},"PeriodicalIF":0.5,"publicationDate":"2023-01-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44855540","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
Recurrence and mixing recurrence of multiplication operators 乘法算子的递推与混合递推
IF 0.5
Mathematica Bohemica Pub Date : 2023-01-02 DOI: 10.21136/mb.2023.0047-22
M. Amouch, Hamza Lakrimi
{"title":"Recurrence and mixing recurrence of multiplication operators","authors":"M. Amouch, Hamza Lakrimi","doi":"10.21136/mb.2023.0047-22","DOIUrl":"https://doi.org/10.21136/mb.2023.0047-22","url":null,"abstract":"","PeriodicalId":45392,"journal":{"name":"Mathematica Bohemica","volume":null,"pages":null},"PeriodicalIF":0.5,"publicationDate":"2023-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45530783","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 limit cycles of piecewise differential systems formed by arbitrary linear systems and a class of quadratic systems 关于由任意线性系统和一类二次系统组成的分段微分系统的极限环
IF 0.5
Mathematica Bohemica Pub Date : 2022-12-20 DOI: 10.21136/mb.2022.0181-21
A. Berbache
{"title":"On limit cycles of piecewise differential systems formed by arbitrary linear systems and a class of quadratic systems","authors":"A. Berbache","doi":"10.21136/mb.2022.0181-21","DOIUrl":"https://doi.org/10.21136/mb.2022.0181-21","url":null,"abstract":". We study the continuous and discontinuous planar piecewise differential systems separated by a straight line and formed by an arbitrary linear system and a class of quadratic center. We show that when these piecewise differential systems are continuous, they can have at most one limit cycle. However, when the piecewise differential systems are discontinuous, we show that they can have at most two limit cycles, and that there exist such systems with two limit cycles. Therefore, in particular, we have solved the extension of the 16th Hilbert problem to this class of differential systems.","PeriodicalId":45392,"journal":{"name":"Mathematica Bohemica","volume":null,"pages":null},"PeriodicalIF":0.5,"publicationDate":"2022-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45823914","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
Investigations on unique range sets of meromorphic functions in an angular domain 角域中亚纯函数唯一范围集的研究
IF 0.5
Mathematica Bohemica Pub Date : 2022-12-19 DOI: 10.21136/mb.2022.0183-21
S. Maity, A. Banerjee
{"title":"Investigations on unique range sets of meromorphic functions in an angular domain","authors":"S. Maity, A. Banerjee","doi":"10.21136/mb.2022.0183-21","DOIUrl":"https://doi.org/10.21136/mb.2022.0183-21","url":null,"abstract":". We study unique range sets of meromorphic functions over an angular domain in the light of weighted sharing. One of our main results generalizes and improves a result of Xu et al. (2014). Most importantly, we have pointed out a gap in the proofs of some main results of Rathod (2021) and subsequently rectifying the gap we have conveniently improved the results.","PeriodicalId":45392,"journal":{"name":"Mathematica Bohemica","volume":null,"pages":null},"PeriodicalIF":0.5,"publicationDate":"2022-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49327447","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
The unit groups of semisimple group algebras of some non-metabelian groups of order $144$ 一类$144阶非变倍群的半单群代数的单位群$
IF 0.5
Mathematica Bohemica Pub Date : 2022-12-19 DOI: 10.21136/mb.2022.0067-22
Gaurav Mittal, R. Sharma
{"title":"The unit groups of semisimple group algebras of some non-metabelian groups of order $144$","authors":"Gaurav Mittal, R. Sharma","doi":"10.21136/mb.2022.0067-22","DOIUrl":"https://doi.org/10.21136/mb.2022.0067-22","url":null,"abstract":". We consider all the non-metabelian groups G of order 144 that have exponent either 36 or 72 and deduce the unit group U ( F q G ) of semisimple group algebra F q G . Here, q denotes the power of a prime, i.e., q = p r for p prime and a positive integer r . Up to isomorphism, there are 6 groups of order 144 that have exponent either 36 or 72. Additionally, we also discuss how to simply obtain the unit groups of the semisimple group algebras of those non-metabelian groups of order 144 that are a direct product of two nontrivial groups. In all, this paper covers the unit groups of semisimple group algebras of 17 non-metabelian groups.","PeriodicalId":45392,"journal":{"name":"Mathematica Bohemica","volume":null,"pages":null},"PeriodicalIF":0.5,"publicationDate":"2022-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43910219","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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