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Hille-Yosida type theorems for local regularized semigroups and local integrated semigroups

100%

Wang S.

Studia Mathematica

2002

tom 152

nr 1

45-67

Motivated by a great deal of interest recently in operators that may not be densely defined, we deal with regularized semigroups and integrated semigroups that are either not exponentially bounded or not defined on [0,∞) and generated by closed operators which may not be densely defined. Some characterizations and related examples are presented. Our results are extensions of the corresponding results produced by other authors.

Perturbation theorems for local integrated semigroups and their applications

51%

Wang S., Wang M., Shen Y.

Studia Mathematica

2005

tom 170

nr 2

121-146

Motivated by a great deal of interest in operators that may not be densely defined and do not generate global integrated semigroups, we establish general perturbation theorems for local integrated semigroups and describe their applications to local complete second order abstract differential equations.

Ograniczanie wyników

2 Studia Mathematica

2 Wang S.

1 Shen Y.

1 Wang M.

1 2005

1 2002

Wyniki wyszukiwania

Hille-Yosida type theorems for local regularized semigroups and local integrated semigroups

Perturbation theorems for local integrated semigroups and their applications