DGII Definitions Flashcards

1
Q

trivial bundle of rank k

A

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2
Q

metric space

A

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3
Q

Inverse Function Theorem for Manifolds

A

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4
Q

Push forward

A

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5
Q

Schwarz Lemma

A

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6
Q

Maurer-Cartan Lemma

A

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7
Q

variation

A

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8
Q

connection

  • Levi-civita
  • metric
  • torsion free
  • affine
  • curvature
A

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9
Q

Riemannian curvature tensor

A

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10
Q

Stoke’s Theorem

A

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11
Q

wedge product of k and l forms

A

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12
Q

parallel section

A

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13
Q

Hopf and Rinow Theorem (Theorem 53)

A

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14
Q

Second Bianchi Identity

A

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15
Q

endomorphism

A

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16
Q

Exponential map

A

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17
Q

length and energy of curves

A

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18
Q

pullback bundle

A

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19
Q

metric

A

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20
Q

Koszul Formula

A

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21
Q

exterior derivative

A

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22
Q

differential of f

A

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23
Q

Smooth maps

A

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24
Q

sectional curvature

A

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25
Q

Lie algebra

26
Q

Tangent space

27
Q

First bianchi Identity

28
Q

vector field

29
Q

vector bundles

  • tensor
  • pullback
  • flat
30
Q

vector bundle isomorphism

31
Q

Atlas

32
Q

grassmannian

33
Q

tangent bundle + fiber

34
Q

differential k-forms

35
Q

curvature of a connection

36
Q

Gauss Lemma (Theorem 50)

37
Q

Compatible Charts

38
Q

killing fields

39
Q

diffeomorphism

40
Q

pullback of

  • forms
  • connections
  • metric
41
Q

complete Riemannian Manifold

42
Q

geodesic normal coordinates

43
Q

section

-parallel

44
Q

Coordinate frame

45
Q

isometry

46
Q

Leibniz’s Rule

47
Q

bundle-valued differential forms

48
Q

curvature tensor

49
Q

torsion tensor/tautological form

50
Q

submanifold

51
Q

manifold

  • smooth
  • topological
  • Riemannian
  • flat
52
Q

geodesic

53
Q

frame field

54
Q

Ricci Curvature

55
Q

Scalar curvature

56
Q

Sectional curvature

57
Q

M is a complete Riemannian manifold. Then which things are equivalent?

58
Q

Gauss Bonnet

59
Q

When is M isometric to a sphere of radius r=1/sqrt(K)?

60
Q

When is M homeomorphic to Sn?