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feat: port NumberTheory.ModularForms.JacobiTheta.Manifold (#5670)
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Mathlib/NumberTheory/ModularForms/JacobiTheta/Manifold.lean
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/- | ||
Copyright (c) 2023 David Loeffler. All rights reserved. | ||
Released under Apache 2.0 license as described in the file LICENSE. | ||
Authors: David Loeffler | ||
! This file was ported from Lean 3 source module number_theory.modular_forms.jacobi_theta.manifold | ||
! leanprover-community/mathlib commit 57f9349f2fe19d2de7207e99b0341808d977cdcf | ||
! Please do not edit these lines, except to modify the commit id | ||
! if you have ported upstream changes. | ||
-/ | ||
import Mathlib.NumberTheory.ModularForms.JacobiTheta.Basic | ||
import Mathlib.Analysis.Complex.UpperHalfPlane.Manifold | ||
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/-! | ||
# Manifold differentiability of the Jacobi theta function | ||
In this file we reformulate differentiability of the Jacobi theta function in terms of manifold | ||
differentiability. | ||
## TODO | ||
Prove smoothness (in terms of `Smooth`). | ||
-/ | ||
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open scoped UpperHalfPlane Manifold | ||
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theorem mdifferentiable_jacobiTheta : MDifferentiable π(β) π(β) (jacobiTheta β (β) : β β β) := | ||
fun Ο => (differentiableAt_jacobiTheta Ο.2).mdifferentiableAt.comp Ο Ο.mdifferentiable_coe | ||
#align mdifferentiable_jacobi_theta mdifferentiable_jacobiTheta |