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    STUDIA MATHEMATICA - Issue no. 1 / 2021  
         
  Article:   DATKO CRITERIA FOR UNIFORM INSTABILITY IN BANACH SPACES.

Authors:  ROVANA BORUGA TOMA, MIHAIL MEGAN.
 
       
         
  Abstract:  
DOI: 10.24193/subbmath.2021.1.10

Published Online: 2021-03-20
Published Print: 2021-03-30
pp. 115-122

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ABSTRACT.
The main objective of this paper is to present some necessary and sufficient conditions of Datko type for the uniform exponential and uniform polynomial instability concepts for evolution operators in Banach spaces. Mathematics Subject
Classification (2010): 47D06, 47B01.
Keywords: Evolution operator, uniform instability, Datko criteria.
 
         
     
         
         
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