• KIM IN-SOOK (Department of Mathematics Sungkyunkwan University)
  • Published : 2005.11.01


Applying a fixed point theorem for compact admissible maps due to Gorniewicz, we prove that under certain conditions each count ably condensing admissible maps in Frechet spaces has a positive eigenvalue. This result has many consequences, including the well-known theorem of Krasnoselskii.


eigenvalues;count ably condensing maps;admissible maps;measures of noncompactness


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