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On a class of Kirchhoff problems with nonlocal terms and logarithmic nonlinearity 关于一类具有非局部项和对数非线性的基尔霍夫问题
IF 1.1 3区 数学 Q2 MATHEMATICS Pub Date : 2024-07-07 DOI: 10.1007/s11868-024-00624-z
El-Houari Hamza, Arhrrabi Elhoussain, J. Vanterler da da C. Sousa

In this present paper, we concern investigating nonlinear Kirchhoff-type problems subject to Dirichlet boundary conditions, incorporating nonlocal terms and logarithmic nonlinearity in the (phi )-Hilfer fractional spaces with the (eta (cdot ))-Laplacian operator by means of the do Mountain Pass Theorem, Fountain Theorem and Dual Fountain Theorem.

在本文中,我们通过山口定理、喷泉定理和双喷泉定理,研究了受迪里希特边界条件限制的非线性基尔霍夫(Kirchhoff)类问题,其中包含了非局部项和在(phi )-希尔费分式空间中的(eta (cdot ) )-拉普拉奇算子的对数非线性。
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引用次数: 0
Pseudo-differential operators in several p-adic variables and sub-Markovian semigroups 若干 p-adic 变量中的伪微分算子和子马尔可夫半群
IF 1.1 3区 数学 Q2 MATHEMATICS Pub Date : 2024-07-05 DOI: 10.1007/s11868-024-00623-0
Anselmo Torresblanca-Badillo, Edilberto Arroyo-Ortiz, Ronald Barrios-Garizao

This article marks the inaugural exploration of certain classes of negative or positive definite functions in several p-adic variables. Associated with these functions, two classes of pseudo-differential operators, convolution semigroups, some positive measures and (L^{2}(mathbb {Q}_{p}^{n}))-sub-Markovian semigroups are introduced.

本文标志着对几个 p-adic 变量中某些负定或正定函数类的首次探索。本文介绍了与这些函数相关的两类伪微分算子、卷积半群、一些正量度和(L^{2}(mathbb {Q}_{p}^{n}))-sub-Markovian 半群。
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引用次数: 0
Continuity properties of multi-parameter pseudodifferential operators on Bony class 骨类上多参数伪微分算子的连续特性
IF 1.1 3区 数学 Q2 MATHEMATICS Pub Date : 2024-07-05 DOI: 10.1007/s11868-024-00622-1
Wei Ding, Min Gu, Yueping Zhu

It is well-known that the pseudodifferential operator with the symbol in Bony class, a subset of (S_{1,1}^0(mathbb R^n)), is bounded on (L^{2}(mathbb {R}^{n})). The main purpose of this paper is to extend the classical results to multi-parameter case, i.e., to discuss the boundedness on (L^2(mathbb {R}^{n_1+n_2})) and on (h^{p}(mathbb {R}^{n_{1}}times mathbb {R}^{n_{2}}) (0<ple 1)) of multi-parameter pseudodifferential operator with symbol satisfying multi-parameter Bony conditions.

众所周知,符号为 Bony 类的、作为 (S_{1,1}^0(mathbb R^n))子集的伪微分算子在 (L^{2}(mathbb {R}^{n}))上是有界的。本文的主要目的是将经典结果扩展到多参数情况,即、讨论符号满足多参数 Bony 条件的多参数伪微分算子在 (L^2(mathbb {R}^{n_1+n_2})) 和 (h^{p}(mathbb {R}^{n_{1}}times mathbb {R}^{n_{2}}) (0<ple 1)) 上的有界性。
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引用次数: 0
Fractional type Marcinkiewicz integral and its commutator on grand variable Herz-Morrey spaces 大变量赫兹-莫雷空间上的分数型马尔钦凯维奇积分及其换元器
IF 1.1 3区 数学 Q2 MATHEMATICS Pub Date : 2024-06-27 DOI: 10.1007/s11868-024-00621-2
Xijuan Chen, Guanghui Lu, Wenwen Tao

The aim of this paper is to establish the boundedness of the fractional type Marcinkiewicz integral operator (mathcal {M}_{alpha ,rho ,m}) and its higher order commutator (mathcal {M}_{alpha ,rho ,m,b^l}) generated by (bin textrm{BMO}({mathbb {R}}^n)) and (mathcal {M}_{alpha ,rho ,m}) on the weighted Lebesgue spaces (L_omega ^p({mathbb {R}}^n)). Under assumption that the variable exponents (alpha (cdot )) and (q(cdot )) satisfy the (log ) decay at infinity and origin, the authors show that the (mathcal {M}_{alpha ,rho ,m}) and (mathcal {M}_{alpha ,rho ,m,b^l}) are bounded on the grand variable Herz spaces (dot{K}_{q(cdot )}^{alpha (cdot ),p),theta }({mathbb {R}}^n)) and the grand variable Herz-Morrey spaces (Mdot{K}_{p),theta ,q(cdot )}^{alpha (cdot ),lambda }({mathbb {R}}^n)), respectively.

本文的目的是建立分数型 Marcinkiewicz 积分算子 (mathcal {M}_{alpha ,rho ,m}) 及其高阶换元 (mathcal {M}_{alpha 、在加权 Lebesgue 空间 (L_omega ^p({//mathbb {R}}^n)) 上生成的 bin textrm{BMO}({mathbb {R}}^n) 和 (mathcal {M}_{alpha ,rho ,m}).在假设可变指数 (α (cdot )) 和 (q(cdot )) 在无穷远和原点处满足 (log ) 衰减的情况下,作者证明了 (mathcal {M}_{alpha ,rho ,m}) 和 (mathcal {M}_{alpha ,rho ,m、b^l}) 在大变量赫兹空间 (dot{K}_{q(cdot )}^{alpha (cdot ),p) 上是有界的、theta }({mathbb{R}}^n))和大变量 Herz-Morrey 空间 (Mdot{K}_{p),theta ,q(cdot )}^{alpha (cdot ),lambda }({mathbb{R}}^n))上分别有界。
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引用次数: 0
p-adic Bessel $$alpha $$ -potentials and some of their applications p-adic Bessel $$alpha $$ -potentials 及其部分应用
IF 1.1 3区 数学 Q2 MATHEMATICS Pub Date : 2024-06-22 DOI: 10.1007/s11868-024-00613-2
Anselmo Torresblanca-Badillo, J. E. Ospino, Francisco Arias

In this article, we will study a class of pseudo-differential operators on p-adic numbers, which we will call p-adic Bessel (alpha )-potentials. These operators are denoted and defined in the form

$$begin{aligned} (mathcal {E}_{varvec{phi },alpha }f)(x)=-mathcal {F}^{-1}_{zeta rightarrow x}left( left[ max {1,|varvec{phi }(||zeta ||_{p})|} right] ^{-alpha }widehat{f}(zeta )right) , text { } xin {mathbb {Q}}_{p}^{n}, alpha in mathbb {R}, end{aligned}$$

where f is a p-adic distribution and (left[ max {1,|varvec{phi }(||zeta ||_{p})|}right] ^{-alpha }) is the symbol of the operator. We will study some properties of the convolution kernel (denoted as (K_{alpha })) of the pseudo-differential operator (mathcal {E}_{varvec{phi },alpha }), (alpha in mathbb {R}); and demonstrate that the family ((K_{alpha })_{alpha >0}) determines a convolution semigroup on (mathbb {Q}_{p}^{n}). Furthermore, we will introduce new types of Feller semigroups, and explore new Markov processes and non-homogeneous initial value problems on p-adic numbers.

本文将研究一类 p-adic 数上的伪微分算子,我们称之为 p-adic Bessel (alpha )-势。这些算子以 $$begin{aligned} (mathcal {E}_{varvec{phi }、f)(x)=-mathcal {F}^{-1}_{zeta rightarrow x}left( left[ max {1,|varvec{phi }(||zeta ||_{p}) |} right] ^{-alpha }widehat{f}(zeta )right) 、text { } xin {mathbb {Q}}_{p}^{n}, alpha in mathbb {R}, end{aligned}$$ 其中 f 是 p-adic 分布,((left[ max {1,|varvec{phi }(||zeta ||_{p})|}right] ^{-alpha }) 是算子的符号。我们将研究伪差分算子 (mathcal {E}_{varvec{phi },alpha }), (alpha in mathbb {R}) 的卷积核(表示为 (K_{alpha }) )的一些性质;并证明族 ((K_{alpha })_{alpha >0}) 决定了 (mathbb {Q}_{p}^{n}) 上的卷积半群。此外,我们还将引入新类型的费勒半群,并探索新的马尔可夫过程和 p-adic 数上的非均质初值问题。
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引用次数: 0
The Hartley–Bessel function: product formula and convolution structure 哈特里-贝塞尔函数:乘积公式和卷积结构
IF 1.1 3区 数学 Q2 MATHEMATICS Pub Date : 2024-05-07 DOI: 10.1007/s11868-024-00610-5
F. Bouzeffour

This paper explores a one-parameter extension of the Hartley kernel expressed as a real combination of two Bessel functions, termed the Hartley–Bessel function. The key feature of the Hartley–Bessel function is derived through a limit transition from the (-1) little Jacobi polynomials. The Hartley–Bessel function emerges as an eigenfunction of a first-order difference-differential operator and possesses a Sonin integral-type representation. Our main contribution lies in investigating anovel product formula for this function, which subsequently facilitates the development of innovative generalized translation and convolution structures on the real line. The obtained product formula is expressed as an integral in terms of this function with an explicit non-positive and uniformly bounded measure. Consequently, a non-positivity-preserving convolution structure is established.

本文探讨了以两个贝塞尔函数的实数组合表示的哈特利核的单参数扩展,称为哈特利-贝塞尔函数。哈特里-贝塞尔函数的关键特征是通过 (-1) 小雅各比多项式的极限转换得出的。哈特利-贝塞尔函数作为一阶差分-微分算子的特征函数出现,并具有索宁积分型表示。我们的主要贡献在于研究了这一函数的一个新的乘积公式,从而促进了实线上创新的广义平移和卷积结构的发展。所获得的乘积公式是以该函数的积分形式表达的,它具有明确的非正向均匀有界度量。因此,非保正卷积结构得以建立。
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引用次数: 0
Quasinormable Fréchet spaces and M. W. Wong’s inequality 类非线性弗雷谢特空间和 M. W. Wong 不等式
IF 1.1 3区 数学 Q2 MATHEMATICS Pub Date : 2024-05-03 DOI: 10.1007/s11868-024-00606-1
Eduard A. Nigsch, Norbert Ortner

A short proof of M. W. Wong’s inequality (leftVert J_{-s}varphi rightVert _p le varepsilon leftVert J_{-t}varphi rightVert _p + C leftVert varphi rightVert _p) is given.

给出了M. W. Wong的不等式((leftVert J_{-s}varphi rightVert _p le varepsilon leftVert J_{-t}varphi rightVert _p + C leftVert varphi rightVert _p)的简短证明。
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引用次数: 0
The general Dabrowski–Sitarz–Zalecki type theorem for odd dimensional manifolds with boundary III 有边界奇维流形的一般达布罗夫斯基-西塔尔兹-扎莱基类型定理 III
IF 1.1 3区 数学 Q2 MATHEMATICS Pub Date : 2024-05-03 DOI: 10.1007/s11868-024-00604-3
Yuchen Yang, Yong Wang

In this paper, for the Dirac operator and three One-forms we give the proof of the another general Dabrowski–Sitarz–Zalecki type theorem for the spectral Einstein functional on odd dimensional manifolds with boundary.

在本文中,对于狄拉克算子和三个一元形式,我们给出了有边界奇数维流形上的谱爱因斯坦函数的另一个一般达布罗夫斯基-西塔尔兹-扎列茨基型定理的证明。
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引用次数: 0
Fractional Euclidean bosonic equation via variational 通过变分的分数欧几里得玻色方程
IF 1.1 3区 数学 Q2 MATHEMATICS Pub Date : 2024-05-03 DOI: 10.1007/s11868-024-00611-4
Nemat Nyamoradi, J. Vanterler da C. Sousa

In this paper, we study the existence of solutions for the following class of Euclidean bosonic equations with Liouville–Weyl fractional derivatives

$$begin{aligned} {left{ begin{array}{ll} {_{x}}D_{infty }^{beta }{_{-infty }}D_{x}^{beta }e^{C {_{x}}D_{infty }^{beta }{_{-infty }}D_{x}^{beta }}u = lambda omega (x)u+ Q(x)g(x,u)&{}text{ in },,{mathbb {R}}, uin mathcal {H}_c^{beta ,infty } ({mathbb {R}}), end{array}right. } end{aligned}$$

where (beta in (0,frac{1}{2})), ({_{-infty }}D_{x}^{beta }u(cdot ), {_{x}}D_{infty }^{beta }u(cdot )) denote the left and right Liouville–Weyl fractional derivatives, (omega ,Q:{mathbb {R}}rightarrow {mathbb {R}}) is a positive function with (omega ,Qin L^{frac{1}{2beta }} ({mathbb {R}})) and (g: {mathbb {R}}rightarrow {mathbb {R}}) is a continuous function satisfying suitable conditions. Finally, an example is provided.

在本文中我们研究了以下一类带有柳维尔-韦尔分数导数的欧几里得玻色方程的解的存在性 $$begin{aligned} {left{ begin{array}{ll} {_{x}}D_{infty }^{beta }{_{-infty }}D_{x}^{beta }e^{C {_{x}}D_{infty }^{beta }{_{-infty }}D_{x}^{beta }}u = lambda omega (x)u+ Q(x)g(x、u)&;{}text{ in },{mathbb {R}}, uin mathcal {H}_c^{beta ,infty }({mathbb {R}}), (end{array}/right.}end{aligned}$$where (beta in (0,frac{1}{2})),({_{-infty }}D_{x}^{beta }u(cdot ), {_{x}}D_{infty }^{beta }u(cdot )) denote the left and right Liouville-Weyl fractional derivatives, (omega ,Q.) denote the left and right Liouville-Weyl fractional derivatives:{是一个正函数,在 L^{frac{1}{2beta }} ({mathbb {R}} 中有({mathbb {R}})) 和 (g: {mathbb {R}}rightarrow {mathbb {R}} )是满足适当条件的连续函数。最后,我们提供了一个例子。
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引用次数: 0
Application of Bargmann transform in the study of affine heat kernel transform 巴格曼变换在仿射热核变换研究中的应用
IF 1.1 3区 数学 Q2 MATHEMATICS Pub Date : 2024-04-26 DOI: 10.1007/s11868-024-00603-4
Partha Sarathi Patra, Shubham R. Bais, D. Venku Naidu

Consider the differential operator

$$begin{aligned} Delta _{a,b} = Big (frac{d^2}{dt^2} + frac{4pi ia}{b}tfrac{d}{dt} - frac{4pi ^2a^2t^2}{b^2} + frac{2pi ia}{b}IBig ), t>0, a,bin {mathbb {R}}, end{aligned}$$

where I is the identity operator. The operator (Delta _{a,b}) is known as affine Laplacian. We consider the heat equation associated to the operator (Delta _{a,b}) with initial condition f from (L^2({mathbb {R}}^n)). Its solution is denoted by (e^{tDelta _{a,b}}f). The transform (f mapsto e^{tDelta _{a,b}}f) is called affine heat kernel transform (or A-heat kernel transform). In this article, we consider (analytically extended) affine heat kernel transform and characterize the image of (displaystyle L^2({mathbb {R}})) under it as a weighted Bergman space of analytic functions on ({mathbb {C}}) with nonnegative weight. Consequently, we study (L^p)-boundedness of affine heat kernel transform, (L^p)-boundedness of affine Bargmann projection and related duality results. Moreover, we define affine Weyl translations and characterize the maximal and minimal spaces of analytic functions on ({mathbb {C}}) which are invariant under the affine Weyl translations.

考虑微分算子 $$begin{aligned}Δ_{a,b} = Big (frac{d^2}{dt^2}+ frac{4pi ia}{b}tfrac{d}{dt} - frac{4pi ^2a^2t^2}{b^2}+ frac{2pi ia}{b}IBig ), t>0,a,bin {mathbb {R}}, end{aligned}$ 其中 I 是标识算子。算子 (Delta _{a,b}) 被称为仿射拉普拉斯。我们考虑与初始条件 f 来自 (L^2({mathbb {R}}^n)) 的算子 (Delta _{a,b}) 相关的热方程。它的解用 (e^{tDelta _{a,b}}f 表示。)变换 (f mapsto e^{tDelta _{a,b}}f) 被称为仿射热核变换(或 A 热核变换)。在本文中,我们考虑(分析扩展的)仿射热核变换,并将其下的(displaystyle L^2({mathbb {R}})的图像描述为({mathbb {C}})上分析函数的加权伯格曼空间,其权重为非负。因此,我们研究了仿射热核变换的 (L^p)-boundedness 、仿射巴格曼投影的 (L^p)-boundedness 以及相关的对偶性结果。此外,我们定义了仿射韦尔平移,并描述了在({mathbb {C}}) 上在仿射韦尔平移下不变的解析函数的最大和最小空间。
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引用次数: 0
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Journal of Pseudo-Differential Operators and Applications
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