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Siberian Electronic Mathematical Reports-Sibirskie Elektronnye Matematicheskie Izvestiya最新文献

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The Siberian Probabilist (on the occasion of the 90th birthday of Aleksandr Borovkov) 西伯利亚概率学家(在亚历山大·博罗夫科夫90岁生日之际)
IF 0.4
Siberian Electronic Mathematical Reports-Sibirskie Elektronnye Matematicheskie Izvestiya Pub Date : 2021-03-02 DOI: 10.33048/semi.2021.18.011
Semen Samsonovich Kutateladze
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引用次数: 0
Enumeration of strictly Deza graphs with at most 21 vertices 最多有21个顶点的严格Deza图的枚举
IF 0.4
Siberian Electronic Mathematical Reports-Sibirskie Elektronnye Matematicheskie Izvestiya Pub Date : 2021-02-21 DOI: 10.33048/semi.2021.18.107
S. Goryainov, Dmitry Panasenko, L. Shalaginov
{"title":"Enumeration of strictly Deza graphs with at most 21 vertices","authors":"S. Goryainov, Dmitry Panasenko, L. Shalaginov","doi":"10.33048/semi.2021.18.107","DOIUrl":"https://doi.org/10.33048/semi.2021.18.107","url":null,"abstract":"A Deza graph Γ with parameters ( v , k , b , a ) is a k -regular graph with v vertices such that any two distinct vertices have b or a common neighbours, where b > a . A Deza graph of diameter 2 which is not a strongly regular graph is called a strictly Deza graph. We find all 139 strictly Deza graphs up to 21 vertices and list corresponding constructions and properties.","PeriodicalId":45858,"journal":{"name":"Siberian Electronic Mathematical Reports-Sibirskie Elektronnye Matematicheskie Izvestiya","volume":" ","pages":""},"PeriodicalIF":0.4,"publicationDate":"2021-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42133028","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
Analogues of the Cauchy–Goursat problem for a loaded third-order hyperbolic type equation in an infinite three-dimensional domain 无限三维域上加载三阶双曲型方程Cauchy-Goursat问题的类似解
IF 0.4
Siberian Electronic Mathematical Reports-Sibirskie Elektronnye Matematicheskie Izvestiya Pub Date : 2021-02-05 DOI: 10.33048/semi.2021.18.007
B. Islomov, Y. Alikulov
{"title":"Analogues of the Cauchy–Goursat problem for a loaded third-order hyperbolic type equation in an infinite three-dimensional domain","authors":"B. Islomov, Y. Alikulov","doi":"10.33048/semi.2021.18.007","DOIUrl":"https://doi.org/10.33048/semi.2021.18.007","url":null,"abstract":"","PeriodicalId":45858,"journal":{"name":"Siberian Electronic Mathematical Reports-Sibirskie Elektronnye Matematicheskie Izvestiya","volume":" ","pages":""},"PeriodicalIF":0.4,"publicationDate":"2021-02-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46522508","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
Detection of the corner structures in 3D arrays using scalable masks 使用可缩放掩模检测三维阵列中的角结构
IF 0.4
Siberian Electronic Mathematical Reports-Sibirskie Elektronnye Matematicheskie Izvestiya Pub Date : 2021-02-05 DOI: 10.33048/semi.2021.18.006
I. Kazantsev, B. Mukhametzhanova, K. Iskakov
{"title":"Detection of the corner structures in 3D arrays using scalable masks","authors":"I. Kazantsev, B. Mukhametzhanova, K. Iskakov","doi":"10.33048/semi.2021.18.006","DOIUrl":"https://doi.org/10.33048/semi.2021.18.006","url":null,"abstract":"","PeriodicalId":45858,"journal":{"name":"Siberian Electronic Mathematical Reports-Sibirskie Elektronnye Matematicheskie Izvestiya","volume":" ","pages":""},"PeriodicalIF":0.4,"publicationDate":"2021-02-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46296958","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: 3
On a metric property of perfect colorings 关于完全着色的一个度规性质
IF 0.4
Siberian Electronic Mathematical Reports-Sibirskie Elektronnye Matematicheskie Izvestiya Pub Date : 2021-02-03 DOI: 10.33048/semi.2021.18.046
Anna A. Taranenko
{"title":"On a metric property of perfect colorings","authors":"Anna A. Taranenko","doi":"10.33048/semi.2021.18.046","DOIUrl":"https://doi.org/10.33048/semi.2021.18.046","url":null,"abstract":"Given a perfect coloring of a graph, we prove that the L1 distance between two rows of the adjacency matrix of the graph is not less than the L1 distance between the corresponding rows of the parameter matrix of the coloring. With the help of an algebraic approach, we deduce corollaries of this result for perfect 2-colorings, perfect colorings in distance-l graphs and in distance-regular graphs. We also provide examples when the obtained property reject several putative parameter matrices of perfect colorings in infinite graphs.","PeriodicalId":45858,"journal":{"name":"Siberian Electronic Mathematical Reports-Sibirskie Elektronnye Matematicheskie Izvestiya","volume":" ","pages":""},"PeriodicalIF":0.4,"publicationDate":"2021-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43155681","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
Some remarks on rotation theorems for complex polynomials 复多项式旋转定理的几个注释
IF 0.4
Siberian Electronic Mathematical Reports-Sibirskie Elektronnye Matematicheskie Izvestiya Pub Date : 2021-02-02 DOI: 10.33048/semi.2021.18.026
V. Dubinin
{"title":"Some remarks on rotation theorems for complex polynomials","authors":"V. Dubinin","doi":"10.33048/semi.2021.18.026","DOIUrl":"https://doi.org/10.33048/semi.2021.18.026","url":null,"abstract":"For any complex polynomial P (z) = c0+c1z+...+cnz , cn 6= 0, having all its zeros in the unit disk |z| ≤ 1, we consider the behavior of the function (argP (e))θ when the real argument θ changes. We give some sharp estimates of this function involving of the values of P (e), argP (e) or the coefficients ck, k = 0, 1, n − 1, n.","PeriodicalId":45858,"journal":{"name":"Siberian Electronic Mathematical Reports-Sibirskie Elektronnye Matematicheskie Izvestiya","volume":" ","pages":""},"PeriodicalIF":0.4,"publicationDate":"2021-02-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46271880","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
Inverse problems of graph theory: Graphs without triangles 图论的逆问题：没有三角形的图
IF 0.4
Siberian Electronic Mathematical Reports-Sibirskie Elektronnye Matematicheskie Izvestiya Pub Date : 2021-01-21 DOI: 10.33048/semi.2021.18.003
A. Makhnev, I. Belousov, D. V. Paduchikh
{"title":"Inverse problems of graph theory: Graphs without triangles","authors":"A. Makhnev, I. Belousov, D. V. Paduchikh","doi":"10.33048/semi.2021.18.003","DOIUrl":"https://doi.org/10.33048/semi.2021.18.003","url":null,"abstract":"","PeriodicalId":45858,"journal":{"name":"Siberian Electronic Mathematical Reports-Sibirskie Elektronnye Matematicheskie Izvestiya","volume":" ","pages":""},"PeriodicalIF":0.4,"publicationDate":"2021-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49431035","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 the asymptotics of the distribution of the exit time beyond a non-increasing boundary for a compound renewal process 复合更新过程非递增边界外退出时间分布的渐近性
IF 0.4
Siberian Electronic Mathematical Reports-Sibirskie Elektronnye Matematicheskie Izvestiya Pub Date : 2021-01-12 DOI: 10.33048/semi.2021.18.002
A. I. Sakhanenko, V. Wachtel, E. Prokopenko, A. D. Shelepova
{"title":"On the asymptotics of the distribution of the exit time beyond a non-increasing boundary for a compound renewal process","authors":"A. I. Sakhanenko, V. Wachtel, E. Prokopenko, A. D. Shelepova","doi":"10.33048/semi.2021.18.002","DOIUrl":"https://doi.org/10.33048/semi.2021.18.002","url":null,"abstract":"","PeriodicalId":45858,"journal":{"name":"Siberian Electronic Mathematical Reports-Sibirskie Elektronnye Matematicheskie Izvestiya","volume":" ","pages":""},"PeriodicalIF":0.4,"publicationDate":"2021-01-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45715092","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
Kolmogorov differential systems with prescribed algebraic limit cycles 具有规定代数极限环的Kolmogorov微分系统
IF 0.4
Siberian Electronic Mathematical Reports-Sibirskie Elektronnye Matematicheskie Izvestiya Pub Date : 2021-01-12 DOI: 10.33048/semi.2021.18.001
R. Chouader, S. Benyoucef, A. Bendjeddou
{"title":"Kolmogorov differential systems with prescribed algebraic limit cycles","authors":"R. Chouader, S. Benyoucef, A. Bendjeddou","doi":"10.33048/semi.2021.18.001","DOIUrl":"https://doi.org/10.33048/semi.2021.18.001","url":null,"abstract":"","PeriodicalId":45858,"journal":{"name":"Siberian Electronic Mathematical Reports-Sibirskie Elektronnye Matematicheskie Izvestiya","volume":" ","pages":""},"PeriodicalIF":0.4,"publicationDate":"2021-01-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41874083","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 closure of configurations in freely generated projective planes 自由生成投影平面中构型的闭包
IF 0.4
Siberian Electronic Mathematical Reports-Sibirskie Elektronnye Matematicheskie Izvestiya Pub Date : 2021-01-01 DOI: 10.33048/semi.2021.18.025
S. E. ©MR, Issn, Ñèáèðñêèå Ýëåêòðîííûå, ÌÀÒÅÌÀÒÈ×ÅÑÊÈÅ ÈÇÂÅÑÒÈß, N. T. Kogabaev
{"title":"On closure of configurations in freely generated projective planes","authors":"S. E. ©MR, Issn, Ñèáèðñêèå Ýëåêòðîííûå, ÌÀÒÅÌÀÒÈ×ÅÑÊÈÅ ÈÇÂÅÑÒÈß, N. T. Kogabaev","doi":"10.33048/semi.2021.18.025","DOIUrl":"https://doi.org/10.33048/semi.2021.18.025","url":null,"abstract":"Let F be an arbitrary freely generated projective plane. Based on Shirshov's combinatorial method, we introduce the notion of a reduced con guration in F . We prove that for every subplane P generated in F by some con guration B, there is a reduced con guration B′ such that P is freely generated by B′.","PeriodicalId":45858,"journal":{"name":"Siberian Electronic Mathematical Reports-Sibirskie Elektronnye Matematicheskie Izvestiya","volume":"1 1","pages":""},"PeriodicalIF":0.4,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69487134","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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