ISBN |
9781441978479 |
9781441978462 |
Author |
Farkas, Hershel M. |
Title |
Generalizations of Thomae's Formula for Zn Curves. |
Description |
1 online resource (367 pages) |
Contents |
GENERALIZATIONS OF THOMAE'S FORMULA FOR Zn CURVES -- Introduction -- Contents -- Chapter 1 Riemann Surfaces -- 1.1 Basic Definitions -- 1.1.1 First Properties of Compact Riemann Surfaces -- 1.1.2 Some Examples -- 1.2 The Abel Theorem, the Riemann-Roch Theoremand Weierstrass Points -- 1.2.1 The Abel Theorem and the Jacobi Inversion Theorem -- 1.2.2 The Riemann-Roch Theorem and the Riemann-Hurwitz Formula -- 1.2.3 Weierstrass Points -- 1.3 Theta Functions -- 1.3.1 First Properties of Theta Functions -- 1.3.2 Quotients of Theta Functions -- 1.3.3 Theta Functions on Riemann Surfaces -- 1.3.4 Changing the Basepoint -- 1.3.5 Matching Characteristics -- Chapter 2 Zn Curves -- 2.1 Nonsingular Zn Curves -- 2.1.1 Functions, Differentials and Weierstrass Points -- 2.1.2 Abel-Jacobi Images of Certain Divisors -- 2.2 Non-Special Divisors of Degree g on Nonsingular Zn Curves -- 2.2.1 An Example with n = 3 and r = 2 -- 2.2.2 An Example with n = 5 and r = 3 -- 2.2.3 Non-Special Divisors -- 2.2.4 Characterizing All Non-Special Divisors -- 2.3 Singular Zn Curves -- 2.3.1 Functions, Differentials and Weierstrass Points -- 2.3.2 Abel-Jacobi Images of Certain Divisors -- 2.4 Non-Special Divisors of Degree g on Singular Zn Curves -- 2.4.1 An Example with n = 3 and m = 3 -- 2.4.2 Non-Special Divisors -- 2.4.3 Characterizing All Non-Special Divisors -- 2.5 Some Operators -- 2.5.1 Operators for the Nonsingular Case -- 2.5.2 Operators for the Singular Case -- 2.5.3 Properties of the Operators in Both Cases -- 2.6 Theta Functions on Zn Curves -- 2.6.1 Non-Special Divisors as Characteristics for Theta Functions -- 2.6.2 Quotients of Theta Functions with Characteristics Represented by Divisors -- 2.6.3 Evaluating Quotients of Theta Functions at Branch Points -- 2.6.4 Quotients of Theta Functions as Meromorphic Functions on Zn Curves -- Chapter 3 Examples of Thomae Formulae. |
3.1 A Nonsingular Z3 Curve with Six Branch Points -- 3.1.1 First Identities Between Theta Constants -- 3.1.2 The Thomae Formulae -- 3.1.3 Changing the Basepoint -- 3.2 A Singular Z3 Curve with Six Branch Points -- 3.2.1 First Identities between Theta Constants -- 3.2.2 The First Part of the Poor Man's Thomae -- 3.2.3 Completing the Poor Man's Thomae -- 3.2.4 The Thomae Formulae -- 3.2.5 Relation with the General Singular Case -- 3.2.6 Changing the Basepoint -- 3.3 A One-Parameter Family of Singular Zn Curves with Four Branch Points -- 3.3.1 Divisors and Operators -- 3.3.2 First Identities Between Theta Constants -- 3.3.3 Even n -- 3.3.4 An Example with n = 10 -- 3.3.5 Thomae Formulae for Even n -- 3.3.6 Odd n -- 3.3.7 An Example with n = 9 -- 3.3.8 Thomae Formulae for Odd n -- 3.3.9 Changing the Basepoint -- 3.3.10 Relation with the General Singular Case -- 3.4 Nonsingular Zn Curves with r = 1 and Small n -- 3.4.1 The Set of Divisors as a Principal Homogenous Space for Sn−1 -- 3.4.2 The Case n = 4 -- 3.4.3 Changing the Basepoint for n = 4 -- 3.4.4 The Case n = 3 -- 3.4.5 The Problem with n ≥ 5 -- 3.4.6 The Case n = 5 -- 3.4.7 The Orbits for n = 5 -- 3.4.8 Changing the Basepoint for n = 5 -- Chapter 4 Thomae Formulae for Nonsingular Zn Curves -- 4.0.1 A Useful Notation -- 4.1 The Poor Man's Thomae Formulae -- 4.1.1 First Identities Between Theta Constants -- 4.1.2 Symmetrization over R and the Poor Man's Thomae -- 4.1.3 Reduced Formulae -- 4.2 Example with n = 5 and General r -- 4.2.1 Correcting the Expressions Involving C−1 -- 4.2.2 Correcting the Expressions Not Involving C−1 -- 4.2.3 Reduction and the Thomae Formulae for n = 5 -- 4.3 Invariance also under N -- 4.3.1 The Description of hΔ for Odd n -- 4.3.2 N-Invariance for Odd n -- 4.3.3 The Description of hΔ for Even n -- 4.3.4 N-Invariance for Even n. |
4.4 Thomae Formulae for Nonsingular Zn Curves -- 4.4.1 The Case r ≥ 2 -- 4.4.2 Changing the Basepoint for r ≥ 2 -- 4.4.3 The Case r = 1 -- 4.4.4 Changing the Basepoint for r = 1 -- Chapter 5 Thomae Formulae for Singular Zn Curves -- 5.1 The Poor Man's Thomae Formulae -- 5.1.1 First Identities Between Theta Constants Based on the Branch Point R -- 5.1.2 Symmetrization over R -- 5.1.3 First Identities Between Theta Constants Based on the Branch Point S -- 5.1.4 Symmetrization over S -- 5.1.5 The Poor Man's Thomae -- 5.1.6 Reduced Formulae -- 5.2 Example with n = 5 and General m -- 5.2.1 Correcting the Expressions Involving C−1 and D−1 -- 5.2.2 Correcting the Expressions Not Involving C−1 and D−1 -- 5.2.3 Reduction and the Thomae Formulae for n = 5 -- 5.3 Invariance also under N -- 5.3.1 The Description of hΔ for Odd n -- 5.3.2 N-Invariance for Odd n -- 5.3.3 The Description of hΔ for Even n -- 5.3.4 N-Invariance for Even n -- 5.4 Thomae Formulae for Singular Zn Curves -- 5.4.1 The Thomae Formulae -- 5.4.2 Changing the Basepoint -- Chapter 6 Some More Singular Zn Curves -- 6.1 A Family of Zn Curves with Four Branch Points and a Symmetric Equation -- 6.1.1 Functions, Differentials, Weierstrass Points and Abel-Jacobi Images -- 6.1.2 Non-Special Divisors in an Example of n = 7 -- 6.1.3 Non-Special Divisors in the General Case -- 6.1.4 Operators -- 6.1.5 First Identities Between Theta Constants -- 6.1.6 The Poor Man's Thomae (Unreduced and Reduced) -- 6.1.7 The Thomae Formulae in the Case n = 7 -- 6.1.8 The Thomae Formulae in the General Case -- 6.1.9 Changing the Basepoint -- 6.2 A Family of Zn Curves with Four Branch Points and an Asymmetric Equation -- 6.2.1 An Example with n = 10 -- 6.2.2 Non-Special Divisors for n = 10 -- 6.2.3 The Basic Data for General n -- 6.2.4 Non-Special Divisors for General n -- 6.2.5 Operators and Theta Quotients. |
6.2.6 Thomae Formulae for t = 1 -- 6.2.7 Thomae Formulae for t = 2 -- 6.2.8 Changing the Basepoint -- Appendix A -- Constructions and Generalizations for the Nonsingular and Singular Cases -- A.1 The Proper Order to do the Corrections in the Nonsingular Case -- A.2 Nonsingular Case, Odd n -- A.3 Nonsingular Case, Even n -- A.4 The Proper Order to do the Corrections in the Singular Case -- A.5 Singular Case, Odd n -- A.6 Singular Case, Even n -- A.7 The General Family -- A.8 Proof of Theorem A.2 -- Appendix B -- The Construction and Basepoint Change Formulae for the Symmetric Equation Case -- B.1 Description of the Process -- B.2 The Case n ≡ 1(mod 4) -- B.3 The Case n ≡ 3(mod 4) -- B.4 The Operators for the Other Basepoints -- B.5 The Expressions for hΔ for the Other Basepoints -- References -- List of Symbols -- Index. |
Subject |
Differential equations, Partial |
Electronic books. -- local |
Functions of complex variables |
Functions, Special |
Geometry, Algebraic |
Mathematics |
Number theory |
Other Author |
Electronic books. |
Other name(s) |
Zemel, Shaul |
Ebook Link |
Find Ebook Central in MyGUtech |
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