Math 450 & 586, Fall 2009
Topics Covered in Each Lecture
Lecture No |
Date |
Content |
Corresponding Reading material |
1 | Sep. 28 |
A crude description of tensors and manifolds; some historical remarks about modern differential geometry; preliminary topics and background: Sets and their basic properties, union and intersection of collection of sets, Cartesian product of sets, relations, equivalence relations, parallelism for lines in a Euclidean plane |
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2 | Sep. 30 |
Partitions of a set and their relation to equivalence relations; functions, image and inverse image of a subset under a function, domain and range of a function; composition of functions; everywhere-define, onto, and one-to-one functions, bijections; Equivalent sets and cardinal numbers |
- |
3 |
Oct. 05 |
Groups, permutation group of a set; vector spaces, subspace of a vector space; linear combination, Einstein summation convention, span, linear independence and basis |
pages 1-4 of Wasserman's 2nd Ed. |
4 | Oct. 07 | Basic properties of bases, expansion of vectors in a basis, dimension of a vector space; linear maps, kernel of a linear map, isomorphic vector spaces, classification of finite-dim. vector spaces, quotients of a vector space by its subspaces, fundamental theorem of homomorphisms for linear maps, projections | pages 6-8 of Wasserman's 2nd Ed. |
5 | Oct. 09 | Matrix representation of linear maps, automorphisms as basis transformations, effect of basis transformations on matrix representation of linear operators. | pages 5 and 8-10 of Wasserman's 2nd Ed. |
Oct. 12 |
Quiz 1 |
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6 | Oct. 12 | Vector space L(V,W) of linear maps between two vector spaces, algebraic dual of a vector space and dual basis, second dual of a vector space; vector space L(V1, V2,...,Vk,W) of multilinear maps | pages 11-19 of Wasserman's 2nd Ed. |
7 | Oct. 14 | Inner products, nondegnerate bilinear maps, and their matric representations, Euclidean inner product, Minkowski's nondegenerate map, the Kronecker's delta function (natural pairing of V and V^*), tensor product of two vector spaces | pages 19-20 and 25-26 of Wasserman's 2nd Ed. |
Oct. 21 |
Quiz 2 |
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8 | Oct. 26 | Tensor product of more than two vector spaces and their duals; tensors of type (r,s) for a finite-dimensional vector space; effect of a change of basis on the components of a type (r,s) tensor | pages 28-30 and 34-38 of Wasserman's 2nd Ed. |
9 | Nov. 02 | Tensors with definite type as equivalence classes of the set of collection of their components. The tensor product of two tensors with definite type. The tensor algebra of a finite-dimensional vector space |
- |
10 | Nov. 04 | Symmetric and antisymmetric tensors, the symmetrization and antisymmetrization operations. The symmetric tensor product, the covariant (and contravariant) symmetric tensor algebras. |
pages 87-92 of Bishop and Goldberg |
11 | Nov. 06 | The antisymmetric tensor (wedge) product, the Grassmann algebra of a vector space and its properties. |
pages 93-97 of Bishop and Goldberg |
Nov. 09 |
Midterm Exam 1 |
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12 | Nov. 11 | Metric spaces; open, closed, bounded subsets of a metric spaces; interior, closure and boundary of a subset of a metric spaces; continuous functions between metric spaces, isometries, and metric space structures; topological spaces, metric topology, discrete topology; continuous functions between topological spaces, homeomorphisms, and topological structures |
pages 102-103 of Wasserman's 2nd Ed. and pages 8-12 of Bishop and Goldberg |
13 | Nov. 16 | Topological invariants; connected and compact (subsets of ) topological spaces, relative, product, and cofinite topologies; locally compact and Hausdorff topological spaces; basis of a topology, first and second countable topological spaces; refinements of a covering, locally finite coversings, and paracompact topological spaces |
pages 103-105 of Wasserman's 2nd Ed. and pages 13-18 of Bishop and Goldberg |
14 | Nov. 18 | Euclidean space, differentiability of a function mapping a Euclidean space to anther, partial derivatives and the Jacobi matrix, chain rule, Inverse function theorem, inverse function theorem; Locally Euclidean spaces, definition and some examples of a topological manifold |
pages 15-45 of Spivak, and pages 47-48 of Tu |
Nov. 20 |
Quiz 3 |
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15 | Nov. 23 | Atlases and their transition functions, An atlas for S^1, C^n-manifolds, C^n compatible charts and atlases, maximal C^n-atlases as C^n structures, C^n functions between two manifolds, C^n diffeomorphisms, different C^n manifolds which are diffeomorphic. |
pages 48-51 of Tu & pages 108-110 + 116-119 of Wasserman |
16 | Nov. 25 | Examples of manifolds: Open subsets of manifolds, GL(n,R), graphs of functions from open subsets of R^n to R^m; Product manifolds; Quotient topology, Real projective plane |
pages 63-72 of Tu & pages 111-112 of Wasserman |
17 | Dec. 02 | Directional derivative of a function f: R^n -> R; germs of smooth functions at a point in R^n, vectors in R^n as derivations of the algebra of germs of smooth functions at a point in R^n; Tangent vectors and the tangent space of a smooth manifold at a point; the coordinate representation of tangent vectors; the cotangent vectors and spaces; coordinate bases for the tangent and cotangent spaces, coordinate transformation rules for the components of tangent and cotangent vectors in a coordinate basis |
pages 11-18 & 80-81 of Tu |
Dec. 04 |
Quiz 4 |
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18 | Dec. 07 | Tensors and tensor fields on a manifold, differential forms and the exterior algebra, Maxwell's tensor and the Riemannian metric tensor; differential of a function mapping a manifold to another. |
pages 78-80 of Tu and pages 116-121 of Bishop and Goldberg |
19 | Dec. 09 | Coordinate representation of the differential of a function, Exterior Calculus: Exterior derivative of differential forms and its properties, interior product, exact and closed differential forms |
165-172 of Bishop and Goldberg |
Dec.16 |
Midterm Exam 2 |
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20 | Dec. 23 | Pullback of differential forms, integral curves of a smooth vector field, one-parameter group of diffeomorphisms and local flows generated by a smooth vector field |
pages135-140 of Tu & pages 121-128 of Bishop & Goldberg |
21 | Dec. 25 | Lie bracket, its coordinate representation and interpretation, Lie derivative of a smooth tensor field |
pages141-146 of Tu & pages 128-138 of Bishop & Goldberg |
22 | Dec. 30 | Parallelism and parallel transportation along a curve, Christoffel symbols and covariant derivative of a vector field, affine connection, covariant derivative of a tensor field, torsion tensor |
pages 229-238 of Spivak Vol. 2 |
23 | Jan. 04 | Covariant t-derivative, geodesics on a manifold endowed with an affine connection, generating a tensor of type (r,s+1) by taking covariant derivative of a type (r,s) tensor along coordinate axes, the (Riemann) curvature tensor of an affine connection, the Ricci curvature tensor |
pages 239-250 of Spivak Vol. 2 |
24 | Jan. 06 | Riemannian manifolds and the properties of the metric tensor, uniqueness of symmetric connection that is compatible with the metric, properties of the Riemann and Ricci curvature tensor of a Riemannian manifold. Einstein field equations. |
pages 35-47 of DoCarmo |
Jan. 08 |
Quiz 5 |
Note: The pages from the textbook and the reading material listed above may not include some of the subjects covered in the lectures.