Page - 183 - in Differential Geometrical Theory of Statistics
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Entropy2016,18, 433
Thisyieldsa linearmap
H1Ď(Aâ,Aâ) [Ď]â [ĎâĎĎ]âH1,2(C).
Nowlet (M,g,â,ââ)beaduallyďŹatpairwhoseKValgebrasaredenotedbyAandAâ.
Weidentify thevectorspaceÎ(Hom(TM,TM))withthespaceC1Ď(Aâ,Aâ).
WekeepthenotationDâââ,Cij,δij andqĎ. Therefore,wecanrephraseLemma4as it follows.
Proposition5. ForeverysectionĎofHom(TM,TM) the followingassertionsare equivalent.
(1) : Dââ â
(Ď)=0,
(2) : δ12(qĎ)=0
Here isan interestingfeature. InaduallyďŹatpair (M,g,â,ââ)wecombine
thedoublecomplex{
Cij,δij }
withthecorrespondence
Ďâ qĎ.
Thatallowustoreplace thedifferentialequation
FEââ â
: Dââ â
(Ď)=0
bythehomologicalequation
δ12(Ď)=0.
That isarelevant impactontheglobalanalysisofcombinationsof theKVcohomologicalmethods
withmethods in the informationgeometry.
5.1.5.ComputationalRelations. RiemannianFoliations. SymplecticFoliations:Continued
Wecontinuetorelate thevectorspaceofgaugehomomorphismsandthedifferential topology.
Thetoolsweuseare theKVcohomologyandtheAmaridualistic relation.
Let (M,g,D,Dâ)beadualpair. Thevector subspaceof g-preservingelementsofM(D,Dâ) is
denotedbyM(g,D,Dâ). ThuseveryĎâM(g,D,Dâ)satisďŹes the identity
g(Ď(X),Y)+g(X,Ď(Y))=0.
NowweďŹxaKoszulconnectionD0 andwedeďŹnethemap
Rie(M) gâDgâLC(M).
bysetting
g(DgXY,Z)=Xg(Y,Z)âg(Y,D0XZ).
WedeďŹnethenonnegative integers
nx(D0)=dim[ Mx(D0,Dg)
Mx(g,D0,Dg)],
n(DO)=min
xâM dim[ Mx(D0,Dg)
Mx(g,D0,Dg)].
183
Differential Geometrical Theory of Statistics
- Title
- Differential Geometrical Theory of Statistics
- Authors
- FrĂŠdĂŠric Barbaresco
- Frank Nielsen
- Editor
- MDPI
- Location
- Basel
- Date
- 2017
- Language
- English
- License
- CC BY-NC-ND 4.0
- ISBN
- 978-3-03842-425-3
- Size
- 17.0 x 24.4 cm
- Pages
- 476
- Keywords
- Entropy, Coding Theory, Maximum entropy, Information geometry, Computational Information Geometry, Hessian Geometry, Divergence Geometry, Information topology, Cohomology, Shape Space, Statistical physics, Thermodynamics
- Categories
- Naturwissenschaften Physik