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math.FA2020
Fixed point theorem for a Meir-Keeler type mapping in a metric space with a transitive relation
Koji Aoyama, Masashi Toyoda
The aim of this paper is to provide characterizations of a Meir-Keeler type mapping and a fixed point theorem for the mapping in a metric space endowed with a transitive relation.
hep-th2020★ 2 cited
Non-SUSY Gepner Models with Vanishing Cosmological Constant
Koji Aoyama, Yuji Sugawara
In this article we discuss a construction of non-SUSY type II string vacua with the vanishing cosmological constant at the one loop level based on the generic Gepner models for Cal…