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MDI349 (géométrie algébrique)
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Affine algebraic varieties over algebraically closed fields, morphisms.
David A. Madore
2011-05-05
1
-2
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+427
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Notes for 2011: prolegomena in commutative algebra (simplified).
David A. Madore
2011-05-05
1
-0
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+358
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Rename handout to make room for this year's.
David A. Madore
2011-05-05
1
-0
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+0
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Fix the end, using normalization.
David A. Madore
2010-06-19
1
-9
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+118
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Start writing answers.
David A. Madore
2010-06-17
1
-10
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+155
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First attempt at writing a test.
David A. Madore
2010-06-17
1
-0
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+150
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Another correction noted during course on 2010-06-11.
upload-20100611
David A. Madore
2010-06-11
1
-3
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+4
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Fix arithmetic brokenness in various places.
David A. Madore
2010-06-11
1
-6
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+38
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Various tiny bits and remarks.
upload-20100610
David A. Madore
2010-06-11
1
-3
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+10
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Compute the canonical class of an elliptic curve. Show that a curve of ↵
David A. Madore
2010-06-11
1
-2
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+37
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genus 0 is P^1.
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Riemann-Roch.
David A. Madore
2010-06-11
1
-10
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+133
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Differentials, divisor classes of differentials, and the canonical class.
David A. Madore
2010-06-10
1
-0
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+100
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Divisors and the Picard group.
David A. Madore
2010-06-10
1
-2
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+103
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Principal divisors have degree zero.
David A. Madore
2010-06-10
1
-8
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+49
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Try to clarify the distinction between geometric points and closed points.
David A. Madore
2010-06-10
1
-4
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+30
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Sum of ramification indices is the degree.
David A. Madore
2010-06-10
1
-0
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+39
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An approximation result.
David A. Madore
2010-06-10
1
-3
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+58
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Ramification of a morphism (start section).
upload-20100609
David A. Madore
2010-06-10
1
-0
/
+22
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Morphisms between curves.
David A. Madore
2010-06-10
1
-30
/
+169
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Start a section about curves.
David A. Madore
2010-06-09
1
-7
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+239
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Change all internal labels (give them names in English).
David A. Madore
2010-06-09
1
-34
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+33
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Corrections/additions noted during course on 2010-06-07.
upload-20100607
David A. Madore
2010-06-07
1
-21
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+29
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A remark on elimination orders.
David A. Madore
2010-06-06
1
-0
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+8
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Gröbner bases and elimination.
upload-20100606
David A. Madore
2010-06-06
1
-1
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+23
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Reduced Gröbner bases.
David A. Madore
2010-06-06
1
-0
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+28
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Buchberger's algorithm.
David A. Madore
2010-06-06
1
-8
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+156
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Important monomial orders (lex, glex and grevlex).
David A. Madore
2010-06-06
1
-0
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+67
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Start section on Gröbner bases: monomial ideals, admissible orders, and ↵
upload-20100604
David A. Madore
2010-06-04
1
-2
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+152
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definition of Gröbner bases.
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Differential and smoothness of morphisms.
David A. Madore
2010-06-04
1
-0
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+37
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An ugly and unpleasant note about "yeah, we could be using schemes here".
David A. Madore
2010-06-04
1
-2
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+33
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Some more explanations on the rational cubic in P^3.
David A. Madore
2010-06-04
1
-1
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+60
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More corrections/additions noted during course on 2010-06-04.
David A. Madore
2010-06-04
1
-9
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+33
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Corrections/additions noted during course on 2010-06-04.
David A. Madore
2010-06-04
1
-6
/
+36
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Tangent space and smoothness.
upload-20100603
David A. Madore
2010-06-03
1
-3
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+125
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Image of a morphism, continued.
David A. Madore
2010-06-03
1
-0
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+5
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Image of a morphism of quasiprojective varieties.
David A. Madore
2010-06-03
1
-0
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+30
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Warning on irreducible versus absolutely irreducible.
David A. Madore
2010-06-03
1
-0
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+17
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Morphisms between varieties on a nonclosed field.
David A. Madore
2010-06-03
1
-13
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+63
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Crash-course in Galois theory, varieties over a nonclosed field.
David A. Madore
2010-06-03
1
-3
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+148
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Introduction to dimension theory.
upload-20100601
David A. Madore
2010-06-01
1
-0
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+67
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A stupidly simple example of a morphism from an open variety.
David A. Madore
2010-06-01
1
-0
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+6
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Products of varieties, and the Segre embedding.
David A. Madore
2010-06-01
1
-2
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+62
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Note morphisms from projective to affine are constant.
David A. Madore
2010-06-01
1
-0
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+9
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Purge TODO.
David A. Madore
2010-06-01
1
-3
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+0
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Hilbert-Samuel polynomial.
David A. Madore
2010-06-01
1
-0
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+45
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Another example. Details are sketchy.
David A. Madore
2010-05-31
1
-0
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+22
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Argue that the two morphisms defined in the examples are inverse to one another.
David A. Madore
2010-05-31
1
-4
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+16
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Tedious global description of morphisms of quasiprojective varieties.
David A. Madore
2010-05-31
1
-0
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+35
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Remark prime ideals <-> irreductible closed sets also works in projective ↵
David A. Madore
2010-05-31
1
-0
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+3
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context.
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Quasiprojective varieties. Morphisms thereof. One example.
David A. Madore
2010-05-30
1
-1
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+68
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