Contemporary Mathematics, Volume 2 Issue 2 (2021), 103-172 < Previous vol / issue Next vol/issue >

This issue is in progress but contains articles that are final and fully citable.

A New Encryption Scheme Based on Groupring

by Saba Inam, Shamsa Kanwal, Rashid Ali

Abstract: Security of some present day public key cryptosystem (PKC) is based on general linear groups as it is a good choice for developing such types of cryptosystems. This study presents various public key e...

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Solvency II, Undertaking Specific Parameters (USPs) Validation, Generalization and Criticism

by Alexandros Α. Zimbidis

Abstract: This paper provides a deeper actuarial insight in the mathematics and algorithms described in Delegate Act 35/2015 of Solvency II legislative framework with respect to the determination of Undertaking...

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Maximization Problems for Second Order Elliptic Equations

by Emamizadeh Behrouz,Liu Yichen,Porru Giovanni

Abstract: We investigate the maxima in classes of rearrangements of some functionals associated with solutions to Dirichlet problems for second order elliptic equations....

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Structural Identifiability of Systems with Multiple Nonlinearities

by Karabutov Nikolay

Abstract: The structural identifiability (SI) problem considers for dynamical systems with multiple nonlinearities under uncertainty. It shows the widely used paradigm based on a priori parametric identifiabili...

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Existence Results for Fourth Order Non-Homogeneous Three-Point Boundary Value Problems

by R. Ravi Sankar, N. Sreedhar, K. R. Prasad

Abstract: The present paper focuses on establishing the existence and uniqueness of solutions to the nonlinear differential equations of order four y(4)(t) + g(t, y(t)) = 0, t ∈ [a, b], together with the non-...

Open Access Research Article

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