### On the second deformation lemma

DOI: http://dx.doi.org/10.12775/TMNA.2001.004

#### Abstract

In the framework of critical point theory for continuous

functionals defined on metric spaces, we give a new, simpler proof of the

so-called Second Deformation Lemma, a basic tool of Morse theory.

functionals defined on metric spaces, we give a new, simpler proof of the

so-called Second Deformation Lemma, a basic tool of Morse theory.

#### Keywords

Metric critical point theory; deformation theorems

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