Vol. 17, No. 2 (2025)

The Effect of a Change in the Shape of a Solar Sail due to Electrization on the Feasibility of an Interplanetary Flight along the Tsander Trajectory

Authors: Alexey A. Tikhonov, Andrey B. Yakovlev, Natalia V. Naumova, Viktor A. Morozov

Keywords: cosmic plasma, electric charge, shape changing, solar sail spacecraft, surface electrization, Tsander trajectory

Improving the G. E. Hutchinson Population Model for Functional-Differential Equations

Authors: Tursun K. Yuldashev, Abdymanap Pirmatov, Rasul Turaev, Shukhrat Alladustov

Keywords: G. E. Hutchinson population model, boundary problem, functi- onal-differential equation, maxima of unknown function, classical solvability.

On e-Menger Spaces

Authors: Ljubisa D. R. Kočinac, Diana Dolićanin Đekić

Keywords: e-open set, e-Menger space, e-perfect mapping, e-Menger game, partition relation.

A Note on a Rothberger-Type Selection Principle and Normalized Rapidly Varying Sequences

Authors:Danica Fatic, Dragan Ðurčić

Keywords: normalized rapidly varying sequences, Rothberger, selection principle.

On the Distribution of Quantile-Zone Test Statistic

Authors: Atif S. Avdović

Keywords: quantile-zone test, quantile-zone function, normality testing, 3-sigma rule, parameters.

Algorithms for Decision-Making Based on Energies of Probabilistic and Dual Probabilistic Soft Set

Authors: Nemanja Vučićević, Nenad Stojanović, Aslıhan Sezgin

Keywords: energy of probabilistic soft set, dual probabilistic soft set, decision-making.