Approximate controllability of a parabolic dynamic equation on homogeneous time scales

Research Article

Approximate controllability of a parabolic dynamic equation on homogeneous time scales

Published in: Quaestiones Mathematicae
Volume 48 , issue 11 , 2025 , pages: 1641–1662
DOI: 10.2989/16073606.2025.2536662
Author(s): Martin Bohner Missouri University of Science and Technology, USA , Cosme Duque Universidad de Los Andes, , Hugo Leiva University YachayTech, School of Mathematical and Computational Siences, San Miguel de Urcuqui, Ecuador

Abstract

This paper aims to explore the approximate controllability of a semilinear system of parabolic dynamic equations on homogeneous time scales. Building on the innovative semigroup theory for time scales introduced in [13], we leverage a pivotal lemma from [5] that characterizes these semigroups. By combining these tools with Rothe’s fixed-point theorem, we provide a comprehensive framework to establish our results, bridging concepts from time scale calculus and control theory.

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