Vol. 31 No. 5 (2026)

Nonlinear Analysis: Modelling and Control

Published 2026-09-01

Articles

Tomas Mūžas | Andrius Vytautas Misiukas Misiūnas | Tadas Meškauskas

Large-scale performance evaluation of galaxy image classification models trained on small datasets

959–980

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Ravindra K. Bisht | Stojan Radenović

Fixed point results for four-point Kannan mappings with applications to fractional BVPs and Diophantine equations

981–1002

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P. Damith Nilanga Silva | Songbai Guo | B.G. Sampath Aruna Pradeep

Global stability of a double-delay HIV dynamical model with curative mechanism, absorption effect, and Beddington–DeAngelis functional response

1003–1020

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Anish Banerjee | Pratikshan Mondal | Lakshmi Kanta Dey | Wutiphol Sintunavarat

A perspective on Banach and Kannan mappings contracting the perimeter of triangles in interpolative metric spaces

1021–1041

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Xiaowen Shen | Kaiyong Wang | Yuan Xie

The asymptotic behavior of systemic expected shortfall and marginal expected shortfall under extreme losses

1042–1064

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Wei Zheng | Jimin Zhang

Dynamical analysis of a fractional-order delayed predator–prey system with infected prey

1065–1088

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Marija Ćvetković

Remetrization techniques for mappings contracting perimeters of triangles

1089–1108

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Alexandru Tudorache | Rodica Luca

Positive solutions to a system of psi-Riemann–Liouville fractional differential equations with coupled boundary conditions

1109–1132

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Hasanen A. Hammad | Doha A. Kattan | Zhenhai Liu

Approximate controllability of Caputo fractional Volterra–Fredholm integral equations under nonlocal conditions and impulsive effects

1133–1157

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Ruiqi Geng | Qiang Zhang | Fei Wang | Ning Li

Event-triggered distributed fixed-time optimization for multi-agent system with input time delays over directed networks

1158–1179

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Cheng Huang | Qiankun Song

Stochastic stability of fractional-order quaternion-valued neural networks on time scales with general probabilistic bounded Markovian switching and neutral delays

1180–1197

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