Saturday 28 February 2015

Energy Distance Theory / Conjecture 2 / Geometry of Word


Energy Distance Theory

Conjecture 2
Geometry of Word

TANAKA Akio


[Conjecture]
Word is infinite cyclic group.

[Explanation]
(Preissmann’s theorem)
When (Mg) is connected Riemann manifold and sectional curvature of M is always KM < 0, non-trivial commutative subset of functional group of Mπ1(M) always becomes infinite cyclic group.
Preparatory proposition for Preissmann’s theorem
(Proposition 1)
When (Mg) and (Nh) are compact Riemann manifold and N is non-positive curvature KN0, arbitrary continuous map f C0(MN) is free homotopic with harmonic map uC(M, N).
(Proposition 2)
When M is compact Riemann manifold, Ricci tensor of M is positive semidefinite RicM≥0 , is non-positive curvature KN0, and harmonic map is u : MN the next is concluded.
When N is negative curvature KN<0, u is constant map or map of u coincides with map of closed geodesic line.
Consideration for the theorem and propositions
1
m-dimensional C class manifold     M
Point of M     x
Tangent space of x     TxM
Inner product of TxM   gx
Coordinate neighborhood of     U
Local coordinate system of U     (x1, …, xm)
Function     gij : gx ( (/xi)x, (/xj)x), 1i, jm
gij is C class function over U.
Family of inner product     g = {gx}xM
g is called Riemannian metric.
When M has g, (Mg) is called Riemannian manifold.
2
Riemann manifold      (Mg)
M’s C class vector field    (M)   
Linear connection of M     
XYZX(M)
What  and XYuniquely satisfy the next is called Levi-Civita connection.
(i) Xg(YZ) = g(XYZ) + g(YXZ)
(ii) XY -YX = [XY]
3
m-dimensional Riemann manifold (Mg)    M
Levi-Civita connection of M     
XYX
R(XY) : = XY - YX - [XY]
Map R : = X(M×X(M)×X(M X(M)
R(XYZ) : = R(XY)Z
R is called curvature tensor of M.
4
xM
2-dimensional subspace of tangent space TxM     σ
σ’s normal orthogonal basis on gx     {vw} {v’w’}
K(vw) = R(x)(vwwv) = gx(R(x)(vw)wv)
v’ = cosθv + sinθww’ = sinθv±cosθw  (double sign directly used)
K(σ) : = R(x)(vwwv) = R(x)(v’w’w’v’)
K(σ) is called sectional curvature.

[References]
<Example of word’s infinite cycle is shown by the bellow.>
On Time Property Inherent in Characters / Hakuba March 28, 2003
Prague Theory / Tokyo October 2, 2004
Prague Theory 3 / Tokyo January 28, 2005
TOMONAGA’s Super Multi-Time Theory / Tokyo January 25, 2008
<On minimum unit of meaning, refer to the next.>
Cell Theory / From Cell to Manifold / Tokyo June 2, 2007
Reversion Analysis Theory / Tokyo June 8, 2008
Reversion Analysis Theory 2 /Tokyo June 12, 2008
Holomorphic Meaning Theory / Tokyo June 15, 2008
Holomorphic Meaning Theory 2 / Tokyo June 19, 2008
Energy Distance Theory / Conjecture 1 / Word and Meaning Minimum / Tokyo September 22, 2008

To be continued
Tokyo November 23, 2008
Sekinan Research Field of Language


Postscript
[Reference November 30, 2008]
Distance of Word / November 30. 2008 / Sekinan.wiki.zoho.com

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