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The Fueter-Sce mapping and the Clifford–Appell polynomials Fueter-Sce映射与Clifford-Appel多项式
IF 0.7 3区 数学
Proceedings of the Edinburgh Mathematical Society Pub Date : 2023-05-11 DOI: 10.1017/S0013091523000329
A. De Martino, K. Diki, Alí Guzmán Adán
{"title":"The Fueter-Sce mapping and the Clifford–Appell polynomials","authors":"A. De Martino, K. Diki, Alí Guzmán Adán","doi":"10.1017/S0013091523000329","DOIUrl":"https://doi.org/10.1017/S0013091523000329","url":null,"abstract":"Abstract The Fueter-Sce theorem provides a procedure to obtain axially monogenic functions, which are in the kernel of generalized Cauchy–Riemann operator in ${mathbb{R}}^{n+1}$. This result is obtained by using two operators. The first one is the slice operator, which extends holomorphic functions of one complex variable to slice monogenic functions in $ mathbb{R}^{n+1}$. The second one is a suitable power of the Laplace operator in n + 1 variables. Another way to get axially monogenic functions is the generalized Cauchy–Kovalevskaya (CK) extension. This characterizes axial monogenic functions by their restriction to the real line. In this paper, using the connection between the Fueter-Sce map and the generalized CK-extension, we explicitly compute the actions $Delta_{mathbb{R}^{n+1}}^{frac{n-1}{2}} x^k$, where $x in mathbb{R}^{n+1}$. The expressions obtained is related to a well-known class of Clifford–Appell polynomials. These are the building blocks to write a Taylor series for axially monogenic functions. By using the connections between the Fueter-Sce map and the generalized CK extension, we characterize the range and the kernel of the Fueter-Sce map. Furthermore, we focus on studying the Clifford–Appell–Fock space and the Clifford–Appell–Hardy space. Finally, using the polyanalytic Fueter-Sce theorems, we obtain a new family of polyanalytic monogenic polynomials, which extends to higher dimensions the Clifford–Appell polynomials.","PeriodicalId":20586,"journal":{"name":"Proceedings of the Edinburgh Mathematical Society","volume":"66 1","pages":"642 - 688"},"PeriodicalIF":0.7,"publicationDate":"2023-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49574456","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
PEM series 2 volume 66 issue 2 Cover and Front matter PEM系列2卷66期2封面和封面问题
IF 0.7 3区 数学
Proceedings of the Edinburgh Mathematical Society Pub Date : 2023-05-01 DOI: 10.1017/s0013091523000378
{"title":"PEM series 2 volume 66 issue 2 Cover and Front matter","authors":"","doi":"10.1017/s0013091523000378","DOIUrl":"https://doi.org/10.1017/s0013091523000378","url":null,"abstract":"","PeriodicalId":20586,"journal":{"name":"Proceedings of the Edinburgh Mathematical Society","volume":"66 1","pages":"f1 - f2"},"PeriodicalIF":0.7,"publicationDate":"2023-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42522063","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On one-dimensional local rings and Berger’s conjecture 一维局部环与Berger猜想
IF 0.7 3区 数学
Proceedings of the Edinburgh Mathematical Society Pub Date : 2023-05-01 DOI: 10.1017/S0013091523000214
Cleto B. Miranda-Neto
{"title":"On one-dimensional local rings and Berger’s conjecture","authors":"Cleto B. Miranda-Neto","doi":"10.1017/S0013091523000214","DOIUrl":"https://doi.org/10.1017/S0013091523000214","url":null,"abstract":"Abstract Let k be a field of characteristic zero and let $Omega_{A/k}$ be the universally finite differential module of a k-algebra A, which is the local ring of a closed point of an algebraic or algebroid curve over k. A notorious open problem, known as Berger’s Conjecture, predicts that A must be regular if $Omega_{A/k}$ is torsion-free. In this paper, assuming the hypotheses of the conjecture and observing that the module ${rm Hom}_A(Omega_{A/k}, Omega_{A/k})$ is then isomorphic to an ideal of A, say $mathfrak{h}$, we show that A is regular whenever the ring $A/amathfrak{h}$ is Gorenstein for some parameter a (and conversely). In addition, we provide various characterizations for the regularity of A in the context of the conjecture.","PeriodicalId":20586,"journal":{"name":"Proceedings of the Edinburgh Mathematical Society","volume":"66 1","pages":"437 - 452"},"PeriodicalIF":0.7,"publicationDate":"2023-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45867235","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
PEM series 2 volume 66 issue 2 Cover and Back matter PEM系列2卷66期2封面和封底
IF 0.7 3区 数学
Proceedings of the Edinburgh Mathematical Society Pub Date : 2023-05-01 DOI: 10.1017/s001309152300038x
{"title":"PEM series 2 volume 66 issue 2 Cover and Back matter","authors":"","doi":"10.1017/s001309152300038x","DOIUrl":"https://doi.org/10.1017/s001309152300038x","url":null,"abstract":"","PeriodicalId":20586,"journal":{"name":"Proceedings of the Edinburgh Mathematical Society","volume":"66 1","pages":"b1 - b2"},"PeriodicalIF":0.7,"publicationDate":"2023-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41973359","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Lp convergence of Fourier series on triangular domains 三角域上傅里叶级数的Lp收敛性
IF 0.7 3区 数学
Proceedings of the Edinburgh Mathematical Society Pub Date : 2023-05-01 DOI: 10.1017/S0013091523000226
Ryan L. Acosta Babb
{"title":"The Lp convergence of Fourier series on triangular domains","authors":"Ryan L. Acosta Babb","doi":"10.1017/S0013091523000226","DOIUrl":"https://doi.org/10.1017/S0013091523000226","url":null,"abstract":"Abstract We prove Lp norm convergence for (appropriate truncations of) the Fourier series arising from the Dirichlet Laplacian eigenfunctions on three types of triangular domains in $mathbb{R}^2$: (i) the 45-90-45 triangle, (ii) the equilateral triangle and (iii) the hemiequilateral triangle (i.e. half an equilateral triangle cut along its height). The limitations of our argument to these three types are discussed in light of Lamé’s Theorem and the image method.","PeriodicalId":20586,"journal":{"name":"Proceedings of the Edinburgh Mathematical Society","volume":"66 1","pages":"453 - 474"},"PeriodicalIF":0.7,"publicationDate":"2023-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47542189","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Higher-order evolution inequalities involving convection and Hardy-Leray potential terms in a bounded domain 有界域中包含对流和Hardy-Leray势项的高阶演化不等式
IF 0.7 3区 数学
Proceedings of the Edinburgh Mathematical Society Pub Date : 2023-05-01 DOI: 10.1017/S0013091523000172
Huyuan Chen, M. Jleli, B. Samet
{"title":"Higher-order evolution inequalities involving convection and Hardy-Leray potential terms in a bounded domain","authors":"Huyuan Chen, M. Jleli, B. Samet","doi":"10.1017/S0013091523000172","DOIUrl":"https://doi.org/10.1017/S0013091523000172","url":null,"abstract":"Abstract We consider a class of nonlinear higher-order evolution inequalities posed in $(0,infty)times B_1backslash{0}$, subject to inhomogeneous Dirichlet-type boundary conditions, where B1 is the unit ball in $mathbb{R}^N$. The considered class involves differential operators of the form begin{equation*}\u0000mathcal{L}_{mu_1,mu_2}=-Delta +frac{mu_1}{|x|^2}xcdot nabla +frac{mu_2}{|x|^2},qquad xin mathbb{R}^Nbackslash{0},\u0000end{equation*}where $mu_1in mathbb{R}$ and $mu_2geq -left(frac{mu_1-N+2}{2}right)^2$. Optimal criteria for the nonexistence of weak solutions are established. Our study yields naturally optimal nonexistence results for the corresponding class of elliptic inequalities. Notice that no restriction on the sign of solutions is imposed.","PeriodicalId":20586,"journal":{"name":"Proceedings of the Edinburgh Mathematical Society","volume":"66 1","pages":"366 - 390"},"PeriodicalIF":0.7,"publicationDate":"2023-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44862697","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A strongly convergent algorithm for solving multiple set split equality equilibrium and fixed point problems in Banach spaces Banach空间中多集分裂等式平衡及不动点问题的强收敛算法
IF 0.7 3区 数学
Proceedings of the Edinburgh Mathematical Society Pub Date : 2023-05-01 DOI: 10.1017/S0013091523000251
E. C. Godwin, O. Mewomo, T. O. Alakoya
{"title":"A strongly convergent algorithm for solving multiple set split equality equilibrium and fixed point problems in Banach spaces","authors":"E. C. Godwin, O. Mewomo, T. O. Alakoya","doi":"10.1017/S0013091523000251","DOIUrl":"https://doi.org/10.1017/S0013091523000251","url":null,"abstract":"Abstract In this article, using an Halpern extragradient method, we study a new iterative scheme for finding a common element of the set of solutions of multiple set split equality equilibrium problems consisting of pseudomonotone bifunctions and the set of fixed points for two finite families of Bregman quasi-nonexpansive mappings in the framework of p-uniformly convex Banach spaces, which are also uniformly smooth. For this purpose, we design an algorithm so that it does not depend on prior estimates of the Lipschitz-type constants for the pseudomonotone bifunctions. Furthermore, we present an application of our study for finding a common element of the set of solutions of multiple set split equality variational inequality problems and fixed point sets for two finite families of Bregman quasi-nonexpansive mappings. Finally, we conclude with two numerical experiments to support our proposed algorithm.","PeriodicalId":20586,"journal":{"name":"Proceedings of the Edinburgh Mathematical Society","volume":"66 1","pages":"475 - 515"},"PeriodicalIF":0.7,"publicationDate":"2023-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45623648","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
A non-periodic indefinite variational problem in ℝN with critical exponent 一个具有临界指数的非周期不定变分问题
IF 0.7 3区 数学
Proceedings of the Edinburgh Mathematical Society Pub Date : 2023-05-01 DOI: 10.1017/S0013091523000330
Gustavo S. DO Amaral Costa, G. Figueiredo, J. C. Junior
{"title":"A non-periodic indefinite variational problem in ℝN with critical exponent","authors":"Gustavo S. DO Amaral Costa, G. Figueiredo, J. C. Junior","doi":"10.1017/S0013091523000330","DOIUrl":"https://doi.org/10.1017/S0013091523000330","url":null,"abstract":"Abstract We consider the non-linear Schrödinger equation (Pμ)begin{equation*}\u0000begin{array}{lc}\u0000-Delta u + V(x) u = mu f(u) + |u|^{2^*-2}u, &\u0000end{array}\u0000end{equation*}in $mathbb{R}^N$, $Ngeq3$, where V changes sign and $f(s)/s$, s ≠ 0, is bounded, with V non-periodic in x. The existence of a solution is established employing spectral theory, a general linking theorem due to [12] and interaction between translated solutions of the problem at infinity with some qualitative properties of them.","PeriodicalId":20586,"journal":{"name":"Proceedings of the Edinburgh Mathematical Society","volume":"66 1","pages":"579 - 612"},"PeriodicalIF":0.7,"publicationDate":"2023-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47218134","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Schwarz lemma for real harmonic functions onto surfaces with non-negative Gaussian curvature 非负高斯曲率曲面上实调和函数的Schwarz引理
IF 0.7 3区 数学
Proceedings of the Edinburgh Mathematical Society Pub Date : 2023-05-01 DOI: 10.1017/S0013091523000263
D. Kalaj, Miodrag Mateljevi'c, I. Pinelis
{"title":"Schwarz lemma for real harmonic functions onto surfaces with non-negative Gaussian curvature","authors":"D. Kalaj, Miodrag Mateljevi'c, I. Pinelis","doi":"10.1017/S0013091523000263","DOIUrl":"https://doi.org/10.1017/S0013091523000263","url":null,"abstract":"Abstract Assume that f is a real ρ-harmonic function of the unit disk $mathbb{D}$ onto the interval $(-1,1)$, where $rho(u,v)=R(u)$ is a metric defined in the infinite strip $(-1,1)times mathbb{R}$. Then we prove that $|nabla f(z)|(1-|z|^2)le frac{4}{pi}(1-f(z)^2)$ for all $zinmathbb{D}$, provided that ρ has a non-negative Gaussian curvature. This extends several results in the field and answers to a conjecture proposed by the first author in 2014. Such an inequality is not true for negatively curved metrics.","PeriodicalId":20586,"journal":{"name":"Proceedings of the Edinburgh Mathematical Society","volume":"66 1","pages":"516 - 531"},"PeriodicalIF":0.7,"publicationDate":"2023-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41642909","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Total mean curvature surfaces in the product space ${mathbb{S}^{n}timesmathbb{R}}$ and applications 积空间${mathbb{S}^{n}乘以mathbb{R}}$的总平均曲率曲面及其应用
IF 0.7 3区 数学
Proceedings of the Edinburgh Mathematical Society Pub Date : 2023-04-26 DOI: 10.1017/S0013091523000196
Alma L. Albujer, Sylvia F. da Silva, F. R. dos Santos
{"title":"Total mean curvature surfaces in the product space ${mathbb{S}^{n}timesmathbb{R}}$ and applications","authors":"Alma L. Albujer, Sylvia F. da Silva, F. R. dos Santos","doi":"10.1017/S0013091523000196","DOIUrl":"https://doi.org/10.1017/S0013091523000196","url":null,"abstract":"Abstract The total mean curvature functional for submanifolds into the Riemannian product space $mathbb{S}^ntimesmathbb{R}$ is considered and its first variational formula is presented. Later on, two second-order differential operators are defined and a nice integral inequality relating both of them is proved. Finally, we prove our main result: an integral inequality for closed stationary $mathcal{H}$-surfaces in $mathbb{S}^ntimesmathbb{R}$, characterizing the cases where the equality is attained.","PeriodicalId":20586,"journal":{"name":"Proceedings of the Edinburgh Mathematical Society","volume":"66 1","pages":"346 - 365"},"PeriodicalIF":0.7,"publicationDate":"2023-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43254923","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","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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