Recursive estimation algorithms based on the least squares and their convergence for a class of time-varying systems

N Xu, F Ding - Nonlinear Dynamics, 2023 - Springer
For the identification of time-varying systems, most traditional methods use various adaptive
factors to track the dynamic change, which have not taken the changing law of the time …

Stability and bifurcation analysis of fractional‐order tumor–macrophages interaction model with multi‐delays

A Padder, FZ Mokkedem… - Mathematical Methods in …, 2024 - Wiley Online Library
In the realm of modeling biological systems with memory, particularly those involving
intricate interactions like tumor‐immune responses, the utilization of multiple time delays …

ANALYSIS OF TUMOR-IMMUNE RESPONSE MODEL BY USING CONFORMABLE FRACTIONAL ORDER DERIVATIVE.

A Padder, R Pal, A Khan - South East Asian Journal of …, 2022 - search.ebscohost.com
In this research paper, the authors propose a generalized three-dimensional fractional order
tumor-immune response model. The generalization of the model is made by introducing …

[PDF][PDF] Dynamical Analysis of Tumor-Immune Interaction Model with Nonlinear Activation Rate.

A Padder, A Afroz, A Khan - Palestine Journal of Mathematics, 2023 - researchgate.net
In this research work, we study the dynamical behavior of the proposed model representing
three cell populations (tumor cells and two types of macrophage cells) and the nonlinear …