Norio Iwase

collaborators

2 papers

math.AT2025

Associahedra, Multiplihedra and units in $A_{\infty}$ form

Norio Iwase

A higher associativity was introduced by Jim Stasheff in [Sta63] with higher coherence conditions and now becomes one of the most important structures on spaces and algebras. He al…

math.GT2025

A closed manifold is a fat CW complex

Norio Iwase, Yuki Kojima

The main purpose of this paper is to introduce a new smooth version of a CW complex named a fat CW complex, and to show that it includes all closed manifolds, because existing smoo…

Associahedra, Multiplihedra and units in A∞​ form

A closed manifold is a fat CW complex

Associahedra, Multiplihedra and units in $A_{\infty}$ form