Weierstrass%E2%80%99s
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11: 23.1 Special Notation
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βΊ
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βΊThe main functions treated in this chapter are the Weierstrass
-function ; the Weierstrass zeta function ; the Weierstrass sigma function ; the elliptic modular function ; Klein’s complete invariant ; Dedekind’s eta function .
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lattice in . | |
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nome. | |
discriminant . | |
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set of all elements of , modulo elements of . Thus two elements of are equivalent if they are both in and their difference is in . (For an example see §20.12(ii).) | |
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12: 23.6 Relations to Other Functions
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βΊ
§23.6(i) Theta Functions
… βΊ§23.6(ii) Jacobian Elliptic Functions
… βΊ§23.6(iii) General Elliptic Functions
… βΊ§23.6(iv) Elliptic Integrals
… βΊ13: 23.11 Integral Representations
14: 23.5 Special Lattices
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βΊ
§23.5(ii) Rectangular Lattice
… βΊIn this case the lattice roots , , and are real and distinct. … βΊ§23.5(iii) Lemniscatic Lattice
… βΊ§23.5(iv) Rhombic Lattice
… βΊ§23.5(v) Equianharmonic Lattice
…15: 23.19 Interrelations
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βΊ
23.19.1
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23.19.2
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23.19.3
βΊwhere are the invariants of the lattice with generators and ; see §23.3(i).
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23.19.4
16: 23.3 Differential Equations
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βΊThe lattice invariants are defined by
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βΊand are denoted by .
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βΊSimilarly for and .
As functions of and , and are meromorphic and is entire.
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βΊ
§23.3(ii) Differential Equations and Derivatives
…17: 23.14 Integrals
18: 19.2 Definitions
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βΊBecause is a polynomial, we have
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