John Milnor, who is one of the greatest pioneers of differential topology, gave us a natural definition: “Differential topology may be defined as the study of those properties of differentiable manifolds which are invariant under diffeomorphism”.

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Introduction

  • Tsuyoshi Kato,
  • Nobuhiro Nakamura

摘要

John Milnor, who is one of the greatest pioneers of differential topology, gave us a natural definition: “Differential topology may be defined as the study of those properties of differentiable manifolds which are invariant under diffeomorphism”.