Abstract:This paper investigates approximate controllability of semilinear measure driven equations in Hilbert spaces. By using the semigroup theory and Schauder fixed point theorem, sufficient conditions for approximate controllability of measure driven equations are established. The obtained results are a generalization and continuation of the recent results on this issue. Finally, an example is provided to illustrate the application of the obtained results.
“…Definition 2 (See [7]). Let X be a Banach space with a norm ‖ • ‖ and [a, b] be a closed interval of the real line.…”
Section: Preliminariesmentioning
confidence: 99%
“…Lemma 1 (See [7]). Consider the functions f: J ⟶ X and g: J ⟶ R such that g is regulated and b a fdg exists.…”
Section: Definition 3 (See [7]) a Setmentioning
confidence: 99%
“…Assume that A ⊂ G([a, b]; X) is equiregulated, and for every t ∈ [a, b], the set x(t): t ∈ A { } is relatively compact in X. en, the set A is relatively compact in G([a, b]; X). Lemma 3 (See [7]). Let X be a Banach space and E⊆X be a bounded, closed, and convex set.…”
Section: Definition 3 (See [7]) a Setmentioning
confidence: 99%
“…Let X be a Banach space and E⊆X be a bounded, closed, and convex set. If the operator N: E ⟶ E is completely continuous, then N has a fixed point on E. Lemma 4 (See [7]). Let x n ∞ n�1 be a sequence of functions from [a, b] to X.…”
Section: Definition 3 (See [7]) a Setmentioning
confidence: 99%
“…As a result, it cannot simulate some complex phenomena, such as Zeno's behavior. However, the dynamic system with discontinuous trajectory is modeled by a measure differential equation or measure-driven equation [4][5][6][7][8][9][10]. Measure differential equations (MDEs) were studied in the early days [11][12][13][14][15][16][17][18].…”
In this paper, we consider a kind of neutral measure evolution equations with nonlocal conditions. By using semigroup theory and fixed point theorem, we can obtain sufficient conditions for the controllability results of such equations. Finally, an example is given to verify the reliability of the results.
“…Definition 2 (See [7]). Let X be a Banach space with a norm ‖ • ‖ and [a, b] be a closed interval of the real line.…”
Section: Preliminariesmentioning
confidence: 99%
“…Lemma 1 (See [7]). Consider the functions f: J ⟶ X and g: J ⟶ R such that g is regulated and b a fdg exists.…”
Section: Definition 3 (See [7]) a Setmentioning
confidence: 99%
“…Assume that A ⊂ G([a, b]; X) is equiregulated, and for every t ∈ [a, b], the set x(t): t ∈ A { } is relatively compact in X. en, the set A is relatively compact in G([a, b]; X). Lemma 3 (See [7]). Let X be a Banach space and E⊆X be a bounded, closed, and convex set.…”
Section: Definition 3 (See [7]) a Setmentioning
confidence: 99%
“…Let X be a Banach space and E⊆X be a bounded, closed, and convex set. If the operator N: E ⟶ E is completely continuous, then N has a fixed point on E. Lemma 4 (See [7]). Let x n ∞ n�1 be a sequence of functions from [a, b] to X.…”
Section: Definition 3 (See [7]) a Setmentioning
confidence: 99%
“…As a result, it cannot simulate some complex phenomena, such as Zeno's behavior. However, the dynamic system with discontinuous trajectory is modeled by a measure differential equation or measure-driven equation [4][5][6][7][8][9][10]. Measure differential equations (MDEs) were studied in the early days [11][12][13][14][15][16][17][18].…”
In this paper, we consider a kind of neutral measure evolution equations with nonlocal conditions. By using semigroup theory and fixed point theorem, we can obtain sufficient conditions for the controllability results of such equations. Finally, an example is given to verify the reliability of the results.
It is comprehended that the systems without any limitation on their Zeno action are enthralled in a vast class of hybrid systems. This article is influenced by a new category of nonautonomous second‐order measure differential problems with state‐dependent delay (SDD) and noninstantaneous impulses (NIIs). Some new sufficient postulates are created that guarantee the solvability and approximate controllability. We employ the fixed point strategy and theory of Lebesgue–Stieltjes integral in the space of piecewise regulated functions. The measure of noncompactness is applied to establish the existence of a solution. Moreover, the measured differential equations generalize the ordinary impulsive differential equations. Thus, our findings are more prevalent than that encountered in the literature. At last, an example is comprised that exhibits the significance of the developed theory.
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