What is an affine connection?
An affine connection is a connection 
satisfying
i)
ii)
iii)


satisfying
i)

ii)

iii)

What is a Riemannian or Levi Civita connection?
An affine connection that also satisfies
torsion-free



How is a differentiable manifold of dimension n defined?
A set M, a family of injective maps
is open such that

are open and
is differentiable
.
there exists a maximal atlas {
} relative to M







How is a Riemannian Metric defined?
As g or
as an inner product,
where an inner product is
-symmetric,
-linear and
-positive definite

where an inner product is
-symmetric,
-linear and
-positive definite
Let
be a Vector field for
. When is X differentiable and how is
for
defined?




X is differentiable if
is differentiable.





How was the covariant Derivative for two vector fields
simply (firstly) calculated?


where

How is a topological space
defined?

We have a Family
of open subsets of
satisfying
(T.1)
(T.2)
(T.3)
of finite i's


(T.1)

(T.2)

(T.3)

What is the algebraic Definition of a tangent vector at p?

(1)

(2)

where

An n-dimensional smooth manifold M is called orientable if
There exists a differentiable atlas
for M s.t.
at p, for all p in



What is an Immersion?




equivalently

What is an Embedding?
An Immersion
that is a homeomorphism
cont's)
and
has the subspace topology induced from
.


and


What is an intrinsic quality?
A geometric quality that can be expressed only in terms of
and its derivative function.

What is the difference of an affine connection and the covariant derivative?



Kartensatzinfo:
Autor: Yann-Paul
Oberthema: Mathematik
Thema: Differentialgeometrie123
Veröffentlicht: 15.11.2018
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