Structure of Word
TANAKA Akio
September 11, 2011
[Preparation]
<Therem>
Differential manifold M
M's minimal model of de Rham complex A*(M) M
Isoporphism 
exists.
exists.
<Definition>
Differential manifold M
When minmal model of M's de Rham complex A*(M) is isomorphic with M's cohomology ring H*(M;R), M is formal.
<Proposition>
What M is formal is equivalent to M has quadrant homology connection.
<Proposition>
Graded differential algebra that satisfies H0 (A) = 0 A
Primary minimal model of A exists ρ : M(1) → A
<Interpretation>
Spherical surface is one of formal manifolds.
When manifold is formal, its minimal model is determined by cohomology ring's cup product.
Now word is constructed from minimal model of manifold, that is uniquely determined by cohomology ring's cup product.
This paper has been published by Sekinan Research Field of Language.© 2011 by The Sekinan Research Field of Language
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