P-Adic Numbers Ultrametric Analysis and Applications最新文献

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On Wiener and Levy Type Theorems for System of Characters of the Ring of $$p$$ -Adic Integers 关于 $$p$$ - 自整数环字符系统的维纳和列维类型定理
IF 0.5
P-Adic Numbers Ultrametric Analysis and Applications Pub Date : 2024-05-06 DOI: 10.1134/s2070046624020043
S. S. Volosivets, A. N. Mingachev
{"title":"On Wiener and Levy Type Theorems for System of Characters of the Ring of $$p$$ -Adic Integers","authors":"S. S. Volosivets, A. N. Mingachev","doi":"10.1134/s2070046624020043","DOIUrl":"https://doi.org/10.1134/s2070046624020043","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p> We describe the continuous homomorphisms on subalgebras of absolutely convergent series with respect to the character system of <span>(p)</span>-adic integers. Using this characterization we obtain Wiener and Levy type theorems for these subalgebras. </p>","PeriodicalId":44654,"journal":{"name":"P-Adic Numbers Ultrametric Analysis and Applications","volume":null,"pages":null},"PeriodicalIF":0.5,"publicationDate":"2024-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140932331","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 Index of Certain Nonic Number Fields Defined by $$x^9+ax^5+b$$ 论由 $$x^9+ax^5+b$$ 定义的某些 Nonic 数域的索引
IF 0.5
P-Adic Numbers Ultrametric Analysis and Applications Pub Date : 2024-05-06 DOI: 10.1134/s2070046624020018
Omar Kchit
{"title":"On the Index of Certain Nonic Number Fields Defined by $$x^9+ax^5+b$$","authors":"Omar Kchit","doi":"10.1134/s2070046624020018","DOIUrl":"https://doi.org/10.1134/s2070046624020018","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p> In this paper, for any nonic number field <span>(K)</span> generated by a root <span>(alpha)</span> of a monic irreducible trinomial <span>(F(x)=x^9+ax^5+b in mathbb{Z}[x])</span> and for every rational prime <span>(p)</span>, we characterize when <span>(p)</span> divides the index of <span>(K)</span>. We also describe the prime power decomposition of the index <span>(i(K))</span>. In such a way we give a partial answer of Problem <span>(22)</span> of Narkiewicz [23] for this family of number fields. As an application of our results, if <span>(i(K)neq1)</span>, then <span>(K)</span> is not monogenic. We illustrate our results by some computational examples. </p>","PeriodicalId":44654,"journal":{"name":"P-Adic Numbers Ultrametric Analysis and Applications","volume":null,"pages":null},"PeriodicalIF":0.5,"publicationDate":"2024-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140932607","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
Public-Key Cryptosystems and Signature Schemes from $$p$$ -Adic Lattices 来自 $$p$$ 自适应网格的公钥密码系统和签名方案
IF 0.5
P-Adic Numbers Ultrametric Analysis and Applications Pub Date : 2024-03-01 DOI: 10.1134/s2070046624010035
{"title":"Public-Key Cryptosystems and Signature Schemes from $$p$$ -Adic Lattices","authors":"","doi":"10.1134/s2070046624010035","DOIUrl":"https://doi.org/10.1134/s2070046624010035","url":null,"abstract":"<span> <h3>Abstract</h3> <p> In 2018, the longest vector problem and closest vector problem in local fields were introduced, as the <span> <span>(p)</span> </span>-adic analogues of the shortest vector problem and closest vector problem in lattices of Euclidean spaces. They are considered to be hard and useful in constructing cryptographic primitives, but no applications in cryptography were given. In this paper, we construct the first signature scheme and public-key encryption cryptosystem based on <span> <span>(p)</span> </span>-adic lattice by proposing a trapdoor function with the norm-orthogonal basis of <span> <span>(p)</span> </span>-adic lattice. These cryptographic schemes have reasonable key size and the signature scheme is efficient, while the encryption scheme works only for short messages, which shows that <span> <span>(p)</span> </span>-adic lattice can be a new alternative to construct cryptographic primitives and well worth studying. </p> </span>","PeriodicalId":44654,"journal":{"name":"P-Adic Numbers Ultrametric Analysis and Applications","volume":null,"pages":null},"PeriodicalIF":0.5,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139761538","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 Approximation by Tight Wavelet Frames on the Field of $$p$$ -Adic Numbers 关于在$$p$$-自变数域上用紧小波框架进行逼近计算
IF 0.5
P-Adic Numbers Ultrametric Analysis and Applications Pub Date : 2024-03-01 DOI: 10.1134/s2070046624010059
{"title":"On Approximation by Tight Wavelet Frames on the Field of $$p$$ -Adic Numbers","authors":"","doi":"10.1134/s2070046624010059","DOIUrl":"https://doi.org/10.1134/s2070046624010059","url":null,"abstract":"<span> <h3>Abstract</h3> <p> We discuss the problem on approximation by tight wavelet frames on the field <span> <span>(mathbb{Q}_p)</span> </span> of <span> <span>(p)</span> </span>-adic numbers. For tight frames in the field <span> <span>(mathbb{Q}p)</span> </span>, constructed earlier by the authors, we obtain approximation estimates for functions from Sobolev spaces with logarithmic weight. </p> </span>","PeriodicalId":44654,"journal":{"name":"P-Adic Numbers Ultrametric Analysis and Applications","volume":null,"pages":null},"PeriodicalIF":0.5,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139761480","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
Hyperstability of the General Linear Functional Equation in Non-Archimedean Banach Spaces 非阿基米德巴拿赫空间中一般线性函数方程的超稳定性
IF 0.5
P-Adic Numbers Ultrametric Analysis and Applications Pub Date : 2024-02-12 DOI: 10.1134/s2070046624010060
Shujauddin Shuja, Ahmad F. Embong, Nor M. M. Ali
{"title":"Hyperstability of the General Linear Functional Equation in Non-Archimedean Banach Spaces","authors":"Shujauddin Shuja, Ahmad F. Embong, Nor M. M. Ali","doi":"10.1134/s2070046624010060","DOIUrl":"https://doi.org/10.1134/s2070046624010060","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p> Let <span>( X )</span> be a normed space over <span>( mathbb{F} in{ mathbb{R}, mathbb{C}} )</span>, <span>( Y )</span> be a non-Archimedean Banach space over a non-Archimedean non-trivial field <span>(mathbb{K})</span> and <span>(c,d,C,D)</span> be constants such that, <span>( c, d in mathbb{F}setminus{0} )</span> and <span>( C, D in mathbb{K}setminus{0} )</span>. In this paper, some preliminaries on non-Archimedean Banach spaces and the concept of hyperstability are presented. Next, the well-known fixed point method [7, Theorem1] is reformulated in non-Archimedean Banach spaces. Using this method, we prove that the general linear functional equation <span>( h(cx+dy)= Ch(x)+Dh(y) )</span> is hyperstable in the class of functions <span>( h:Xrightarrow Y )</span>. In fact, by exerting some natural assumptions on control function <span>( gamma:X^{2}setminus{0}rightarrow mathbb{R}_{+} )</span>, we show that the map <span>( h:Xrightarrow Y )</span> that satisfies the inequality <span>( lVert h(cx+dy)- Ch(x)-Dh(y)rVert_{ast}leq gamma(x,y) )</span>, is a solution to general linear functional equation for every <span>( x, y in Xsetminus{0} )</span>. Finally, this paper concludes with some consequences of the results. </p>","PeriodicalId":44654,"journal":{"name":"P-Adic Numbers Ultrametric Analysis and Applications","volume":null,"pages":null},"PeriodicalIF":0.5,"publicationDate":"2024-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139761777","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
Results on the Growth of Meromorphic Solutions of some Functional Equations of Painlevé and Schröder Type in Ultrametric Fields 关于超对称场中某些潘勒夫和施罗德函数方程的同态解增长的结果
IF 0.5
P-Adic Numbers Ultrametric Analysis and Applications Pub Date : 2024-02-12 DOI: 10.1134/s2070046624010023
Houda Boughaba, Salih Bouternikh, Tahar Zerzaihi
{"title":"Results on the Growth of Meromorphic Solutions of some Functional Equations of Painlevé and Schröder Type in Ultrametric Fields","authors":"Houda Boughaba, Salih Bouternikh, Tahar Zerzaihi","doi":"10.1134/s2070046624010023","DOIUrl":"https://doi.org/10.1134/s2070046624010023","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p> Let <span>(mathbb{K})</span> be a complete ultrametric algebraically closed field of characteristic zero and let <span>(mathcal{M}(mathbb{K}))</span> be the field of meromorphic functions in all <span>(mathbb{K})</span>. In this paper, we investigate the growth of meromorphic solutions of some difference and <span>(q)</span>-difference equations. We obtain some results on the growth of meromorphic solutions when the coefficients in such equations are rational functions. </p>","PeriodicalId":44654,"journal":{"name":"P-Adic Numbers Ultrametric Analysis and Applications","volume":null,"pages":null},"PeriodicalIF":0.5,"publicationDate":"2024-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139761691","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
Estimate for the Intrinsic Square Function on $$p$$ -Adic Herz Spaces with Variable Exponent 具有可变指数的 $$p$$ 阿迪克赫兹空间上的本征平方函数估计值
IF 0.5
P-Adic Numbers Ultrametric Analysis and Applications Pub Date : 2024-02-12 DOI: 10.1134/s2070046624010072
Mehvish Sultan, Babar Sultan
{"title":"Estimate for the Intrinsic Square Function on $$p$$ -Adic Herz Spaces with Variable Exponent","authors":"Mehvish Sultan, Babar Sultan","doi":"10.1134/s2070046624010072","DOIUrl":"https://doi.org/10.1134/s2070046624010072","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p> Our aim in this paper is to define <span>(p)</span>-adic Herz spaces with variable exponents and prove the boundedeness of <span>(p)</span>-adic intrinsic square function in these spaces. </p>","PeriodicalId":44654,"journal":{"name":"P-Adic Numbers Ultrametric Analysis and Applications","volume":null,"pages":null},"PeriodicalIF":0.5,"publicationDate":"2024-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139761476","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
Numerical Solutions of some Nonlinear Integral Equations Arising in the Theory of $$p$$ -Adic Strings and Physical Kinetics 在 $$p$$ -自旋弦和物理动力学理论中出现的一些非线性积分方程的数值解
IF 0.5
P-Adic Numbers Ultrametric Analysis and Applications Pub Date : 2024-02-12 DOI: 10.1134/s2070046624010047
Kh. A. Khachatryan, A. Kh. Khachatryan, A. Zh. Narimanyan
{"title":"Numerical Solutions of some Nonlinear Integral Equations Arising in the Theory of $$p$$ -Adic Strings and Physical Kinetics","authors":"Kh. A. Khachatryan, A. Kh. Khachatryan, A. Zh. Narimanyan","doi":"10.1134/s2070046624010047","DOIUrl":"https://doi.org/10.1134/s2070046624010047","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p> The present work is devoted to finding numerical solutions of two types of nonlinear integral equations on half line with kernels depending on the sum and difference of arguments. These equations arise in various fields of mathematical physics: kinetic theory of gases, theoretical astrophysics, p-adic string theory, etc. The main result of the work is the derivation of an uniform estimate of the norm of difference between two successive approximations of solutions, which plays an important role for the control of the convergence of iterative schemes and number of iterations. The obtained results have been applied to determine numerical solutions of models from different areas of applications. </p>","PeriodicalId":44654,"journal":{"name":"P-Adic Numbers Ultrametric Analysis and Applications","volume":null,"pages":null},"PeriodicalIF":0.5,"publicationDate":"2024-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139761542","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
Dynamical Systems of Möbius Transformation: Real, $$p$$ -Adic and Complex Variables 莫比乌斯变换的动力系统:实变、$p$$ -自变量和复变量
IF 0.5
P-Adic Numbers Ultrametric Analysis and Applications Pub Date : 2024-02-12 DOI: 10.1134/s2070046624010011
E. T. Aliev, U. A. Rozikov
{"title":"Dynamical Systems of Möbius Transformation: Real, $$p$$ -Adic and Complex Variables","authors":"E. T. Aliev, U. A. Rozikov","doi":"10.1134/s2070046624010011","DOIUrl":"https://doi.org/10.1134/s2070046624010011","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p> In this paper we consider function <span>(f(x)={x+aover bx+c})</span>, (where <span>(bne 0)</span>, <span>(cne ab)</span>, <span>(xne -{cover b})</span>) on three fields: the set of real, <span>(p)</span>-adic and complex numbers. We study dynamical systems generated by this function on each field separately and give some comparison remarks. For real variable case we show that the real dynamical system of the function depends on the parameters <span>((a,b,c)in mathbb R^3)</span>. Namely, we classify the parameters to three sets and prove that: for the parameters from first class each point, for which the trajectory is well defined, is a periodic point of <span>(f)</span>; for the parameters from second class any trajectory (under <span>(f)</span>) converges to one of fixed points (there may be up to two fixed points); for the parameters from third class any trajectory is dense in <span>(mathbb R)</span>. For the <span>(p)</span>-adic variable we give a review of known results about dynamical systems of function <span>(f)</span>. Then using a recently developed method we give simple new proofs of these results and prove some new ones related to trajectories which do not converge. For the complex variables we give a review of known results. </p>","PeriodicalId":44654,"journal":{"name":"P-Adic Numbers Ultrametric Analysis and Applications","volume":null,"pages":null},"PeriodicalIF":0.5,"publicationDate":"2024-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139761779","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
Turing Patterns in a $$p$$ -Adic FitzHugh-Nagumo System on the Unit Ball 单位球上 $$p$$ 阿迪克菲茨休-纳古莫系统中的图灵模式
IF 0.5
P-Adic Numbers Ultrametric Analysis and Applications Pub Date : 2023-12-18 DOI: 10.1134/s2070046623040015
L. F. Chacón-Cortés, C. A. Garcia-Bibiano, W. A. Zúñiga-Galindo
{"title":"Turing Patterns in a $$p$$ -Adic FitzHugh-Nagumo System on the Unit Ball","authors":"L. F. Chacón-Cortés, C. A. Garcia-Bibiano, W. A. Zúñiga-Galindo","doi":"10.1134/s2070046623040015","DOIUrl":"https://doi.org/10.1134/s2070046623040015","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p> We introduce discrete and <span>(p)</span>-adic continuous versions of the FitzHugh-Nagumo system on the one-dimensional <span>(p)</span>-adic unit ball. We provide criteria for the existence of Turing patterns. We present extensive simulations of some of these systems. The simulations show that the Turing patterns are traveling waves in the <span>(p)</span>-adic unit ball. </p>","PeriodicalId":44654,"journal":{"name":"P-Adic Numbers Ultrametric Analysis and Applications","volume":null,"pages":null},"PeriodicalIF":0.5,"publicationDate":"2023-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138715018","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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