# Basic Algebraic Geometry (USB)

**SKU**

Media Storage Type : 32 GB USB Stick

NPTEL Subject Matter Expert : Dr. T.E. Venkata Balaji

NPTEL Co-ordinating Institute : IIT Madras

NPTEL Lecture Count : 42

NPTEL Course Size : 19 GB

NPTEL PDF Text Transcription : Available and Included

NPTEL Subtitle Transcription : Available and Included (SRT)

**Lecture Titles:**

Lecture 1 - What is Algebraic Geometry?

Lecture 2 - The Zariski Topology and Affine Space

Lecture 3 - Going back and forth between subsets and ideals

Lecture 4 - Irreducibility in the Zariski Topology

Lecture 5 - Irreducible Closed Subsets Correspond to Ideals Whose Radicals are Prime

Lecture 6 - Understanding the Zariski Topology on the Affine Line; The Noetherian property in Topology and in Algebra

Lecture 7 - Basic Algebraic Geometry : Varieties, Morphisms, Local Rings, Function Fields and Nonsingularity

Lecture 8 - Topological Dimension, Krull Dimension and Heights of Prime Ideals

Lecture 9 - The Ring of Polynomial Functions on an Affine Variety

Lecture 10 - Geometric Hypersurfaces are Precisely Algebraic Hypersurfaces

Lecture 11 - Why Should We Study Affine Coordinate Rings of Functions on Affine Varieties ?

Lecture 12 - Capturing an Affine Variety Topologically From the Maximal Spectrum of its Ring of Functions

Lecture 13 - Analyzing Open Sets and Basic Open Sets for the Zariski Topology

Lecture 14 - The Ring of Functions on a Basic Open Set in the Zariski Topology

Lecture 15 - Quasi-Compactness in the Zariski Topology; Regularity of a Function at a point of an Affine Variety

Lecture 16 - What is a Global Regular Function on a Quasi-Affine Variety?

Lecture 17 - Characterizing Affine Varieties; Defining Morphisms between Affine or Quasi-Affine Varieties

Lecture 18 - Translating Morphisms into Affines as k-Algebra maps and the Grand Hilbert Nullstellensatz

Lecture 19 - Morphisms into an Affine Correspond to k-Algebra Homomorphisms from its Coordinate Ring of Functions

Lecture 20 - The Coordinate Ring of an Affine Variety Determines the Affine Variety and is Intrinsic to it

Lecture 21 - Automorphisms of Affine Spaces and of Polynomial Rings - The Jacobian Conjecture; The Punctured Plane is Not Affine

Lecture 22 - The Various Avatars of Projective n-space

Lecture 23 - Gluing (n+1) copies of Affine n-Space to Produce Projective n-space in Topology, Manifold Theory and Algebraic Geometry; The Key to the Definition of a Homogeneous Ideal

Lecture 24 - Translating Projective Geometry into Graded Rings and Homogeneous Ideals

Lecture 25 - Expanding the Category of Varieties to Include Projective and Quasi-Projective Varieties

Lecture 26 - Translating Homogeneous Localisation into Geometry and Back

Lecture 27 - Adding a Variable is Undone by Homogenous Localization - What is the Geometric Significance of this Algebraic Fact ?

Lecture 28 - Doing Calculus Without Limits in Geometry ?

Lecture 29 - The Birth of Local Rings in Geometry and in Algebra

Lecture 30 - The Formula for the Local Ring at a Point of a Projective Variety Or Playing with Localisations, Quotients, Homogenisation and Dehomogenisation !

Lecture 31 - The Field of Rational Functions or Function Field of a Variety - The Local Ring at the Generic Point

Lecture 32 - Fields of Rational Functions or Function Fields of Affine and Projective Varieties and their Relationships with Dimensions

Lecture 33 - Global Regular Functions on Projective Varieties are Simply the Constants

Lecture 34 - The d-Uple Embedding and the Non-Intrinsic Nature of the Homogeneous Coordinate Ring of a Projective Variety

Lecture 35 - The Importance of Local Rings - A Morphism is an Isomorphism if it is a Homeomorphism and Induces Isomorphisms at the Level of Local Rings

Lecture 36 - The Importance of Local Rings - A Rational Function in Every Local Ring is Globally Regular

Lecture 37 - Geometric Meaning of Isomorphism of Local Rings - Local Rings are Almost Global

Lecture 38 - Local Ring Isomorphism,Equals Function Field Isomorphism, Equals Birationality

Lecture 39 - Why Local Rings Provide Calculus Without Limits for Algebraic Geometry Pun Intended!

Lecture 40 - How Local Rings Detect Smoothness or Nonsingularity in Algebraic Geometry

Lecture 41 - Any Variety is a Smooth Manifold with or without Non-Smooth Boundary

Lecture 42 - Any Variety is a Smooth Hypersurface On an Open Dense Subset

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