Groups with the same orders of Sylow normalizers as the Mathieu groups by Behrooz Khosravi, Behnam Khosravi

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Permanents of Hexagonal and Armchair Chains by O. Nekooei, H. Barzegar, A. R. Ashrafi

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Conformally Flat Pseudoprojective Symmetric Spacetimes in fR,G Gravity by Uday Chand De, Sameh Shenawy, Abdallah Abdelhameed Syied, Nasser Bin Turki

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A Generalization of a Greguš Fixed Point Theorem in Metric Spaces by Marwan A. Kutbi, A. Amini-Harandi, N. Hussain

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More on Codes Over Finite Quotients of Polynomial Rings by Emad Kadhim Al-Lami, Reza Sobhani, Alireza Abdollahi, Javad Bagherian

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Multipliers in weak Heyting algebras by Shokoofeh Ghorbani

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Excitations in strict 2-group higher gauge models of topological phases by Alex Bullivant, Clement Delcamp

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$\gamma$- BCK algebras by Arsham Borumand Saeid, M Murali Krishna Rao, R Kumar Kona

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On hyperideals of Krasner hyperrings based on derived unitary rings by Seyed Shahin Mousavi, Morteza Jafarpour, Hojat Babaei, Irina Cristea

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The Principle of Mathematical Induction: Applications in Physical Optics by Joseph Ivin Thomas

“…In theoretical computer science, it bears the pivotal role of developing the appropriate cognitive skills necessary for the effective design and implementation of algorithms, assessing for both their correctness and complexity. Pure mathematics and computer science aside, the scope of its utility in the physical sciences remains limited. …”
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Investigation of Pseudo-Ricci Symmetric Spacetimes in Gray’s Subspaces by Sameh Shenawy, Uday Chand De, Nasser Bin Turki, Suliman Alsaeed, Abdallah Abdelhameed Syied

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Blockchain-based digital copyright trading system by Li LI, Siqin ZHOU, Qin LIU, Debiao HE

“…In the current era of digitalization and networking,the demand for digital copyright transactions is increasing.The traditional centralized copyright protection system has series of problems such as high registration costs,long work acceptance times,and being vulnerable to tampering by saboteurs.Blockchain as a decentralized network structure and based on P2P network and cryptographic technology,which can establish trust relationship on the network by pure mathematics.Without relying on the middle platform,blockchain technology can naturally alleviate the above problems.With the help of self-regulatory,traceable and decentralized features of blockchain technology and digital copyright trading scenarios,a digital copyright trading system model was designed.The new system is based on the advanced permissioned blockchain provided by IBM.The implementation of copyright registration and copyright transaction can ensure the integrity and tamper-resistant of the information.Finally,the installation time of chain code deployment was tested.The results show that the system is simple to install and has low maintenance costs.Compared with the traditional trusted third party copyright authentication mechanism,the blockchain-based digital rights trading system has a short registration time,no registration fee,and better architecture security and scalability.…”
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On the Eccentric Connectivity Polynomial of ℱ-Sum of Connected Graphs by Muhammad Imran, Shehnaz Akhter, Zahid Iqbal

“…Graph products conveniently play an important role in many combinatorial applications, graph decompositions, pure mathematics, and applied mathematics. In this article, we work out the ECP of ℱ-sum of graphs. …”
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Some properties of Camina and $n$-Baer Lie algebras by Maryam Ghezelsoflo, Mohammad Reza Moghaddam, Mohammad Amin Rostamyari, Somayeh Saffarnia

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From the Guest Editors by Fred Brauer, Carlos Castillo-Chavez, Thomas G. Hallam, Jia Li, Jianhong Wu, Yicang Zhou

“…Zhien's vision and courage became evident when he abandoned a promising career in pure mathematics and enthusiastically embraced a career in the field of mathematical biology soon after his first visit to the United States in 1985. …”
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Towards an (Even More) Natural Probabilistic Interpretation of Fuzzy Transforms (and of Fuzzy Modeling) by Irina Perfilieva, Vladik Kreinovich

“…The original motivation for this transformation came from fuzzy modeling, but the transformation itself is a purely mathematical transformation. Thus, the empirical successes of this transformation suggest that this transformation can be also interpreted in more traditional (nonfuzzy) mathematics as well. …”
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