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SCIREA Journal of Mathematics — Open Access Journal

SCIREA Journal of Mathematics is an international, scientific peer-reviewed open access journal published online by SCIREA.

Open Access free for readers, with article processing charges (APC) paid by authors or their institutions.

High visibility: Indexed in the Google Scholar and other databases.

Rapid publication: manuscripts are peer-reviewed and a first decision provided to authors approximately 20 days after submission; acceptance to publication is undertaken in 5 days.

Recognition of reviewers: reviewers who provide timely, thorough peer-review reports receive vouchers entitling them to a discount on the APC of their next publication in any SCIREA journal, in appreciation of the work done.

Latest Articles
Open Access
Xing Zhu, Chuanze Niu
Abstract: The formula of the $p$-adic valuation of the sequence $C_n(l)=\prod_{k=1}^{n}\prod_{j=0}^{l}(2k+2j-1)$ is studied. It is proved that $C_n(l)$ is not a square if $l$ is even and $n\ge \max\{2l,\frac{3l+19}{5}\}$. It is proved also that there are many squares in the sequences $C_n(1)$ and $C_n(3)$, while there are no squares [...] Read more.
Abstract   PDF (255 K)   January 25, 2023    7 Downloads   81 Views   DOI: 10.54647/mathematics110379
Open Access
Abstract: Counterexamples are given to residue theorem of complex analysis. The functional equation of Riemann zeta-function is invalid. [...] Read more.
Abstract   PDF (1201 K)   December 11, 2022    8 Downloads   288 Views   DOI: 10.54647/mathematics11372
Open Access
Jinrong Shen
Abstract: In this paper, the minimal norm least squares solution of matrix equations (AXC,BXD,AXD,BXC)=(E,F,G,H) is discussed, by using the projection theorem, the generalized singular value decomposition and the canonical correlation decomposition, the expression of the solution of this problem is obtained. [...] Read more.
Abstract   PDF (210 K)   December 11, 2022    9 Downloads   152 Views   DOI: 10.54647/mathematics11371
Open Access
Hong-Quan LIU
Abstract: The famous Stirling’s formula is generalized and improved, by using the arguments of analytic number theory and mathematical analysis. [...] Read more.
Abstract   PDF (741 K)   December 4, 2022    12 Downloads   195 Views   DOI: 10.54647/mathematics11183
Open Access
Abstract: This work is inspired by our recent work of giving a counterexample to the classical complex analysis (SCIREA Journal of Math. (6)4(2019), pp. 189-193). [...] Read more.
Abstract   PDF (277 K)   November 13, 2022    8 Downloads   257 Views   DOI: 10.54647/mathematics11186
Open Access
A.E. Umnov, E.A. Umnov
Abstract: The article considers a method for solving a nonlinear programming problem. This method uses special feedback functions that describe the relationship between direct variables and Lagrange multipliers. These relations are similar to the conditions of the Karush-Kuhn-Tucker theorem, but do not use inequalities in their notat [...] Read more.
Abstract   PDF (357 K)   September 12, 2022    9 Downloads   752 Views   DOI: 10.54647/mathematics11348
Open Access
Zul Amry, Sisti Nadia Amalia
Abstract: This paper discusses the minimax estimator of parameter for binomial distribution. The likelihood function is constructed based on the probability function of the Binomial distribution. The posterior distribution is obtained from the joint of the likelihood function and prior distribution. Furthermore, the Bayes estimato [...] Read more.
Abstract   PDF (1188 K)   July 31, 2022    16 Downloads   411 Views   DOI: 10.54647/mathematics11340
Open Access
Blumenfeld Maty Rol
Abstract: The author has published recently (2021) a book having the title [1] Numerical Method to select an Analytical Polynomial Solution for Linear or Nonlinear Elliptic Partial Differential Equations of second order
The book can be freely downloaded from the blumenfeld.ro website. It was written during the isolation p [...] Read more.
Abstract   PDF (724 K)   July 12, 2022    9 Downloads   404 Views   DOI: 10.54647/mathematics11327
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