Here’s an index of all of the AG from the Beginning articles. I reordered a little bit for coherent topics, and don’t THINK that I screwed up any dependencies (ie, anything should be understood in terms of things higher up on the page than it), but if I did, let me know and I’ll fix it.

Basic Set Up

- Affine Varieties
- Projective Varieties
- Some Commutative Algebra and a bit of Geometry
- Morphisms of Varieties
- Algebraic Groups
- Varieties over other Fields

Projective Geometry

- Gradings on Rings and Modules
- Hilbert Polynomials
- Bezout’s Theorem
- Elliptic Curves
- Veronese Embedding
- Segre Embedding
- Grassmannians and Flag Varieties

Intrinsic Geometry

- Tangent Spaces and Singular Points
- Localization
- Nakayama’s Lemma
- Sheaves
- Morphisms of Sheaves
- Locally Ringed Spaces
- Abstract Varieties
- Complete Varieties and Chow’s Lemma

Computational Geometry

- Groebner Bases and Buchberger’s Algorithm
- Elimination and Extension Theorems
- Resultants
- Computing Hilbert Functions
- Projective Elimination Theory

Relative Geometry

- Sheaves of Modules
- Locally Free Sheaves and Vector Bundles
- Line Bundles and the Picard Group
- Differential Forms and the Canonical Bundle

Linear Systems

Abstract Algebraic Geometry

Cohomology

Curves

- Riemann-Roch Theorem for Curves
- Hurwitz’s Theorem
- Hurwitz’s Theorem on Automorphisms
- Dual Curves
- Plücker Formulas
- Canonical Linear Systems
- Geometric Form of Riemann-Roch
- Constructing Nodal Curves

Schubert Calculus

- Grassmannians Redux
- Schubert Varieties
- Schubert Classes and Cellular Cohomology
- Pieri and Giambelli Formulas
- Applications of the Schubert Calculus

Resolution of Singularities

Hilbert Schemes

- Flat Modules and Morphisms
- Representability of Functors
- Moduli Spaces and Base Change
- The Hilbert Scheme
- Constructing the Hilbert Scheme II
- Flattening Stratifications
- Examples of Moduli Spaces

Matt’s Series on Group Schemes and Moduli

- Group Schemes and Moduli I
- Group Schemes and Moduli II
- Group Schemes and Moduli III
- Group Schemes and Moduli IV

Matt’s Post on Rational Varieties

Matt’s Series on Grothendieck-Riemann-Roch

Thanks a lot, this is exactly what I asked for :-)

Now I’m happy, learning your stuff.

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This is rather nice and useful. Well done!

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1. Very useful and informative.

2. I am very much helped.

3. Sir can you please give a hint as how do I think of a rank 2 bundle on an elliptic curve?

Thanks, I’m glad people are still finding this blog useful, though I haven’t touched it in years. I’m no longer in mathematics so I don’t have any deep insights on rank 2 bundles on elliptic curves, but the main thing is that it’s a family of planes for each point on the curve. If there’s some vector space they all fit into (there should be for some finite N, though no clue how to bound it) then that means its a map from the elliptic curve to the Grassmannian. I vaguely recall something about vector bundles over abelian group schemes decomposing into direct sums of line bundles, but I can’t verify it. Good luck!

Thank you for compiling such an organised list of articles!! This is legit!!

This is really helpful, thanks a lot!