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The fundamental theorem of dynamical systems

Douglas E. Norton (1995)

Commentationes Mathematicae Universitatis Carolinae

We propose the title of The Fundamental Theorem of Dynamical Systems for a theorem of Charles Conley concerning the decomposition of spaces on which dynamical systems are defined. First, we briefly set the context and state the theorem. After some definitions and preliminary results, based both on Conley's work and modifications to it, we present a sketch of a proof of the result in the setting of the iteration of continuous functions on compact metric spaces. Finally, we claim that this theorem...

The global existence of mild solutions for semilinear fractional Cauchy problems in the α-norm

Rong-Nian Wang, De-Han Chen, Yan Wang (2012)

Annales Polonici Mathematici

We study the local and global existence of mild solutions to a class of semilinear fractional Cauchy problems in the α-norm assuming that the operator in the linear part is the generator of a compact analytic C₀-semigroup. A suitable notion of mild solution for this class of problems is also introduced. The results obtained are a generalization and continuation of some recent results on this issue.

The Henstock-Kurzweil approach to Young integrals with integrators in BV φ

Boonpogkrong Varayu, Tuan-Seng Chew (2006)

Mathematica Bohemica

In 1938, L. C. Young proved that the Moore-Pollard-Stieltjes integral a b f d g exists if f B V φ [ a , b ] , g B V ψ [ a , b ] and n = 1 φ - 1 ( 1 / n ) ψ - 1 ( 1 / n ) < . In this note we use the Henstock-Kurzweil approach to handle the above integral defined by Young.

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