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FieldTheory\SplittingField\Construction.lean
/- Copyright (c) 2018 Chris Hughes. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Chris Hughes -/ import Mathlib.Algebra.CharP.Algebra import Mathlib.FieldTheory.SplittingField.IsSplittingField /-! # Splitting fields In this file we prove the existence and uniquenes...
FieldTheory\SplittingField\IsSplittingField.lean
/- Copyright (c) 2018 Chris Hughes. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Chris Hughes -/ import Mathlib.FieldTheory.IntermediateField import Mathlib.RingTheory.Adjoin.Field /-! # Splitting fields This file introduces the notion of a splitting field of a pol...
Geometry\Euclidean\Basic.lean
/- Copyright (c) 2020 Joseph Myers. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joseph Myers, Manuel Candales -/ import Mathlib.Analysis.InnerProductSpace.Projection import Mathlib.Geometry.Euclidean.PerpBisector import Mathlib.Algebra.QuadraticDiscriminant /-! # E...
Geometry\Euclidean\Circumcenter.lean
/- Copyright (c) 2020 Joseph Myers. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joseph Myers -/ import Mathlib.Geometry.Euclidean.Sphere.Basic import Mathlib.LinearAlgebra.AffineSpace.FiniteDimensional import Mathlib.Tactic.DeriveFintype /-! # Circumcenter and circ...
Geometry\Euclidean\MongePoint.lean
/- Copyright (c) 2020 Joseph Myers. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joseph Myers -/ import Mathlib.Geometry.Euclidean.Circumcenter /-! # Monge point and orthocenter This file defines the orthocenter of a triangle, via its n-dimensional generalization, ...
Geometry\Euclidean\PerpBisector.lean
/- Copyright (c) 2023 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov, Joseph Myers -/ import Mathlib.Analysis.InnerProductSpace.Orthogonal import Mathlib.Analysis.Normed.Group.AddTorsor /-! # Perpendicular bisector of a segment We def...
Geometry\Euclidean\Triangle.lean
/- Copyright (c) 2020 Joseph Myers. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joseph Myers, Manuel Candales -/ import Mathlib.Geometry.Euclidean.Angle.Oriented.Affine import Mathlib.Geometry.Euclidean.Angle.Unoriented.Affine import Mathlib.Tactic.IntervalCases /-...
Geometry\Euclidean\Angle\Sphere.lean
/- Copyright (c) 2022 Joseph Myers. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joseph Myers -/ import Mathlib.Geometry.Euclidean.Angle.Oriented.RightAngle import Mathlib.Geometry.Euclidean.Circumcenter /-! # Angles in circles and sphere. This file proves results ...
Geometry\Euclidean\Angle\Oriented\Affine.lean
/- Copyright (c) 2022 Joseph Myers. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joseph Myers -/ import Mathlib.Analysis.Convex.Side import Mathlib.Geometry.Euclidean.Angle.Oriented.Rotation import Mathlib.Geometry.Euclidean.Angle.Unoriented.Affine /-! # Oriented an...
Geometry\Euclidean\Angle\Oriented\Basic.lean
/- Copyright (c) 2022 Joseph Myers. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joseph Myers, Heather Macbeth -/ import Mathlib.Analysis.InnerProductSpace.TwoDim import Mathlib.Geometry.Euclidean.Angle.Unoriented.Basic /-! # Oriented angles. This file defines orie...
Geometry\Euclidean\Angle\Oriented\RightAngle.lean
/- Copyright (c) 2022 Joseph Myers. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joseph Myers -/ import Mathlib.Geometry.Euclidean.Angle.Oriented.Affine import Mathlib.Geometry.Euclidean.Angle.Unoriented.RightAngle /-! # Oriented angles in right-angled triangles. T...
Geometry\Euclidean\Angle\Oriented\Rotation.lean
/- Copyright (c) 2022 Joseph Myers. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joseph Myers, Heather Macbeth -/ import Mathlib.Analysis.SpecialFunctions.Complex.Circle import Mathlib.Geometry.Euclidean.Angle.Oriented.Basic /-! # Rotations by oriented angles. This...
Geometry\Euclidean\Angle\Unoriented\Affine.lean
/- Copyright (c) 2020 Joseph Myers. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joseph Myers, Manuel Candales -/ import Mathlib.Analysis.Convex.Between import Mathlib.Analysis.Normed.Group.AddTorsor import Mathlib.Geometry.Euclidean.Angle.Unoriented.Basic import Mat...
Geometry\Euclidean\Angle\Unoriented\Basic.lean
/- Copyright (c) 2020 Joseph Myers. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joseph Myers, Manuel Candales -/ import Mathlib.Analysis.InnerProductSpace.Basic import Mathlib.Analysis.SpecialFunctions.Trigonometric.Inverse /-! # Angles between vectors This file d...
Geometry\Euclidean\Angle\Unoriented\Conformal.lean
/- Copyright (c) 2021 Yourong Zang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yourong Zang -/ import Mathlib.Analysis.Calculus.Conformal.NormedSpace import Mathlib.Geometry.Euclidean.Angle.Unoriented.Basic /-! # Angles and conformal maps This file proves that co...
Geometry\Euclidean\Angle\Unoriented\RightAngle.lean
/- Copyright (c) 2020 Joseph Myers. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joseph Myers -/ import Mathlib.Analysis.SpecialFunctions.Trigonometric.Arctan import Mathlib.Geometry.Euclidean.Angle.Unoriented.Affine /-! # Right-angled triangles This file proves ba...
Geometry\Euclidean\Inversion\Basic.lean
/- Copyright (c) 2022 Yury G. Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury G. Kudryashov -/ import Mathlib.Analysis.Normed.Group.AddTorsor import Mathlib.Analysis.InnerProductSpace.Basic import Mathlib.Tactic.AdaptationNote /-! # Inversion in an aff...
Geometry\Euclidean\Inversion\Calculus.lean
/- Copyright (c) 2023 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Geometry.Euclidean.Inversion.Basic import Mathlib.Analysis.InnerProductSpace.Calculus import Mathlib.Analysis.Calculus.Deriv.Inv import Mathlib.Tacti...
Geometry\Euclidean\Inversion\ImageHyperplane.lean
/- Copyright (c) 2023 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Geometry.Euclidean.Inversion.Basic import Mathlib.Geometry.Euclidean.PerpBisector /-! # Image of a hyperplane under inversion In this file we prove...
Geometry\Euclidean\Sphere\Basic.lean
/- Copyright (c) 2020 Joseph Myers. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joseph Myers -/ import Mathlib.Analysis.Convex.StrictConvexBetween import Mathlib.Geometry.Euclidean.Basic /-! # Spheres This file defines and proves basic results about spheres and co...
Geometry\Euclidean\Sphere\Power.lean
/- Copyright (c) 2021 Manuel Candales. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Manuel Candales, Benjamin Davidson -/ import Mathlib.Geometry.Euclidean.Angle.Unoriented.Affine import Mathlib.Geometry.Euclidean.Sphere.Basic /-! # Power of a point (intersecting ch...
Geometry\Euclidean\Sphere\Ptolemy.lean
/- Copyright (c) 2021 Manuel Candales. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Manuel Candales, Benjamin Davidson -/ import Mathlib.Geometry.Euclidean.Sphere.Power import Mathlib.Geometry.Euclidean.Triangle /-! # Ptolemy's theorem This file proves Ptolemy's th...
Geometry\Euclidean\Sphere\SecondInter.lean
/- Copyright (c) 2022 Joseph Myers. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joseph Myers -/ import Mathlib.Geometry.Euclidean.Sphere.Basic /-! # Second intersection of a sphere and a line This file defines and proves basic results about the second intersection...
Geometry\Manifold\AnalyticManifold.lean
/- Copyright (c) 2023 Michael Lee. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Michael Lee -/ import Mathlib.Analysis.Analytic.Composition import Mathlib.Analysis.Analytic.Linear import Mathlib.Analysis.Calculus.FDeriv.Analytic import Mathlib.Geometry.Manifold.Smoot...
Geometry\Manifold\BumpFunction.lean
/- Copyright (c) 2021 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.BumpFunction.FiniteDimension import Mathlib.Geometry.Manifold.ContMDiff.Atlas import Mathlib.Geometry.Manifold.ContMDiff.NormedSpac...
Geometry\Manifold\ChartedSpace.lean
/- Copyright (c) 2019 Sébastien Gouëzel. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Sébastien Gouëzel -/ import Mathlib.Topology.PartialHomeomorph /-! # Charted spaces A smooth manifold is a topological space `M` locally modelled on a euclidean space (or a euclid...
Geometry\Manifold\Complex.lean
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Analysis.Complex.AbsMax import Mathlib.Analysis.LocallyConvex.WithSeminorms import Mathlib.Geometry.Manifold.MFDeriv.Basic import Mathlib.Topology.Lo...
Geometry\Manifold\ConformalGroupoid.lean
/- Copyright (c) 2021 Yourong Zang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yourong Zang -/ import Mathlib.Analysis.Calculus.Conformal.NormedSpace import Mathlib.Geometry.Manifold.ChartedSpace /-! # Conformal Groupoid In this file we define the groupoid of con...
Geometry\Manifold\ContMDiffMap.lean
/- Copyright (c) 2020 Nicolò Cavalleri. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Nicolò Cavalleri -/ import Mathlib.Geometry.Manifold.ContMDiff.NormedSpace /-! # Smooth bundled map In this file we define the type `ContMDiffMap` of `n` times continuously differe...
Geometry\Manifold\ContMDiffMFDeriv.lean
/- Copyright (c) 2020 Sébastien Gouëzel. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Sébastien Gouëzel, Floris van Doorn -/ import Mathlib.Geometry.Manifold.MFDeriv.UniqueDifferential import Mathlib.Geometry.Manifold.ContMDiffMap /-! ### Interactions between differ...
Geometry\Manifold\DerivationBundle.lean
/- Copyright (c) 2020 Nicolò Cavalleri. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Nicolò Cavalleri -/ import Mathlib.Geometry.Manifold.Algebra.SmoothFunctions import Mathlib.RingTheory.Derivation.Basic /-! # Derivation bundle In this file we define the derivati...
Geometry\Manifold\Diffeomorph.lean
/- Copyright (c) 2020 Nicolò Cavalleri. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Nicolò Cavalleri, Yury Kudryashov -/ import Mathlib.Geometry.Manifold.ContMDiffMap import Mathlib.Geometry.Manifold.MFDeriv.UniqueDifferential /-! # Diffeomorphisms This file implem...
Geometry\Manifold\IntegralCurve.lean
/- Copyright (c) 2023 Winston Yin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Winston Yin -/ import Mathlib.Analysis.ODE.Gronwall import Mathlib.Analysis.ODE.PicardLindelof import Mathlib.Geometry.Manifold.InteriorBoundary import Mathlib.Geometry.Manifold.MFDeriv.A...
Geometry\Manifold\InteriorBoundary.lean
/- Copyright (c) 2023 Michael Rothgang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Michael Rothgang -/ import Mathlib.Geometry.Manifold.SmoothManifoldWithCorners /-! # Interior and boundary of a manifold Define the interior and boundary of a manifold. ## Main de...
Geometry\Manifold\LocalDiffeomorph.lean
/- Copyright (c) 2023 Michael Rothgang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Michael Rothgang -/ import Mathlib.Geometry.Manifold.Diffeomorph import Mathlib.Topology.IsLocalHomeomorph /-! # Local diffeomorphisms between manifolds In this file, we define `C...
Geometry\Manifold\LocalInvariantProperties.lean
/- Copyright (c) 2020 Sébastien Gouëzel. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Sébastien Gouëzel, Floris van Doorn -/ import Mathlib.Geometry.Manifold.ChartedSpace /-! # Local properties invariant under a groupoid We study properties of a triple `(g, s, x)` ...
Geometry\Manifold\Metrizable.lean
/- Copyright (c) 2022 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Geometry.Manifold.SmoothManifoldWithCorners import Mathlib.Topology.Compactness.Paracompact import Mathlib.Topology.Metrizable.Urysohn /-! # Metriza...
Geometry\Manifold\PartitionOfUnity.lean
/- Copyright (c) 2021 Yury G. Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury G. Kudryashov -/ import Mathlib.Geometry.Manifold.Algebra.Structures import Mathlib.Geometry.Manifold.BumpFunction import Mathlib.Topology.MetricSpace.PartitionOfUnity import ...
Geometry\Manifold\PoincareConjecture.lean
/- Copyright (c) 2024 Junyan Xu. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Junyan Xu -/ import Mathlib.AlgebraicTopology.FundamentalGroupoid.SimplyConnected import Mathlib.Geometry.Manifold.Diffeomorph import Mathlib.Geometry.Manifold.Instances.Sphere import Mathl...
Geometry\Manifold\SmoothManifoldWithCorners.lean
/- Copyright (c) 2019 Sébastien Gouëzel. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Sébastien Gouëzel -/ import Mathlib.Geometry.Manifold.ChartedSpace import Mathlib.Analysis.Normed.Module.FiniteDimension import Mathlib.Analysis.Calculus.ContDiff.Basic /-! # Smoot...
Geometry\Manifold\WhitneyEmbedding.lean
/- Copyright (c) 2021 Yury G. Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury G. Kudryashov -/ import Mathlib.Geometry.Manifold.Diffeomorph import Mathlib.Geometry.Manifold.Instances.Real import Mathlib.Geometry.Manifold.PartitionOfUnity /-! # Whitney ...
Geometry\Manifold\Algebra\LeftInvariantDerivation.lean
/- Copyright (c) 2020 Nicolò Cavalleri. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Nicolò Cavalleri -/ import Mathlib.RingTheory.Derivation.Lie import Mathlib.Geometry.Manifold.DerivationBundle /-! # Left invariant derivations In this file we define the concept ...
Geometry\Manifold\Algebra\LieGroup.lean
/- Copyright (c) 2020 Nicolò Cavalleri. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Nicolò Cavalleri -/ import Mathlib.Geometry.Manifold.Algebra.Monoid /-! # Lie groups A Lie group is a group that is also a smooth manifold, in which the group operations of multipl...
Geometry\Manifold\Algebra\Monoid.lean
/- Copyright (c) 2020 Nicolò Cavalleri. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Nicolò Cavalleri -/ import Mathlib.Geometry.Manifold.ContMDiffMap /-! # Smooth monoid A smooth monoid is a monoid that is also a smooth manifold, in which multiplication is a smooth...
Geometry\Manifold\Algebra\SmoothFunctions.lean
/- Copyright (c) 2020 Nicolò Cavalleri. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Nicolò Cavalleri -/ import Mathlib.Geometry.Manifold.Algebra.Structures /-! # Algebraic structures over smooth functions In this file, we define instances of algebraic structures o...
Geometry\Manifold\Algebra\Structures.lean
/- Copyright (c) 2020 Nicolò Cavalleri. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Nicolò Cavalleri -/ import Mathlib.Geometry.Manifold.Algebra.LieGroup /-! # Smooth structures In this file we define smooth structures that build on Lie groups. We prefer using the...
Geometry\Manifold\ContMDiff\Atlas.lean
/- Copyright (c) 2020 Sébastien Gouëzel. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Sébastien Gouëzel, Floris van Doorn -/ import Mathlib.Geometry.Manifold.ContMDiff.Basic /-! ## Smoothness of charts and local structomorphisms We show that the model with corners,...
Geometry\Manifold\ContMDiff\Basic.lean
/- Copyright (c) 2020 Sébastien Gouëzel. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Sébastien Gouëzel, Floris van Doorn -/ import Mathlib.Geometry.Manifold.ContMDiff.Defs /-! ## Basic properties of smooth functions between manifolds In this file, we show that sta...
Geometry\Manifold\ContMDiff\Defs.lean
/- Copyright (c) 2020 Sébastien Gouëzel. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Sébastien Gouëzel, Floris van Doorn -/ import Mathlib.Geometry.Manifold.SmoothManifoldWithCorners import Mathlib.Geometry.Manifold.LocalInvariantProperties /-! # Smooth functions b...
Geometry\Manifold\ContMDiff\NormedSpace.lean
/- Copyright (c) 2020 Sébastien Gouëzel. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Sébastien Gouëzel, Floris van Doorn -/ import Mathlib.Geometry.Manifold.ContMDiff.Product import Mathlib.Analysis.NormedSpace.OperatorNorm.Prod /-! ## Equivalence of smoothness wit...
Geometry\Manifold\ContMDiff\Product.lean
/- Copyright (c) 2020 Sébastien Gouëzel. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Sébastien Gouëzel, Floris van Doorn -/ import Mathlib.Geometry.Manifold.ContMDiff.Basic /-! ## Smoothness of standard maps associated to the product of manifolds This file contain...
Geometry\Manifold\Instances\Real.lean
/- Copyright (c) 2019 Sébastien Gouëzel. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Sébastien Gouëzel -/ import Mathlib.Geometry.Manifold.SmoothManifoldWithCorners import Mathlib.Analysis.InnerProductSpace.PiL2 /-! # Constructing examples of manifolds over ℝ We i...
Geometry\Manifold\Instances\Sphere.lean
/- Copyright (c) 2021 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Analysis.Calculus.Deriv.Inv import Mathlib.Analysis.NormedSpace.BallAction import Mathlib.Analysis.SpecialFunctions.ExpDeriv import Mathlib.Analysis....
Geometry\Manifold\Instances\UnitsOfNormedAlgebra.lean
/- Copyright (c) 2021 Nicolò Cavalleri. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Nicolò Cavalleri, Heather Macbeth, Winston Yin -/ import Mathlib.Geometry.Manifold.Algebra.LieGroup /-! # Units of a normed algebra We construct the Lie group structure on the grou...
Geometry\Manifold\MFDeriv\Atlas.lean
/- Copyright (c) 2020 Sébastien Gouëzel. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Sébastien Gouëzel, Floris van Doorn -/ import Mathlib.Geometry.Manifold.MFDeriv.SpecificFunctions /-! # Differentiability of models with corners and (extended) charts In this file...
Geometry\Manifold\MFDeriv\Basic.lean
/- Copyright (c) 2020 Sébastien Gouëzel. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Sébastien Gouëzel, Floris van Doorn -/ import Mathlib.Geometry.Manifold.MFDeriv.Defs /-! # Basic properties of the manifold Fréchet derivative In this file, we show various proper...
Geometry\Manifold\MFDeriv\Defs.lean
/- Copyright (c) 2020 Sébastien Gouëzel. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Sébastien Gouëzel, Floris van Doorn -/ import Mathlib.Geometry.Manifold.VectorBundle.Tangent /-! # The derivative of functions between smooth manifolds Let `M` and `M'` be two smo...
Geometry\Manifold\MFDeriv\FDeriv.lean
/- Copyright (c) 2020 Sébastien Gouëzel. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Sébastien Gouëzel, Floris van Doorn -/ import Mathlib.Geometry.Manifold.MFDeriv.Basic /-! ### Relations between vector space derivative and manifold derivative The manifold deriva...
Geometry\Manifold\MFDeriv\SpecificFunctions.lean
/- Copyright (c) 2020 Sébastien Gouëzel. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Sébastien Gouëzel, Floris van Doorn -/ import Mathlib.Geometry.Manifold.MFDeriv.FDeriv /-! # Differentiability of specific functions In this file, we establish differentiability r...
Geometry\Manifold\MFDeriv\UniqueDifferential.lean
/- Copyright (c) 2020 Sébastien Gouëzel. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Sébastien Gouëzel, Floris van Doorn -/ import Mathlib.Geometry.Manifold.MFDeriv.Atlas /-! # Unique derivative sets in manifolds In this file, we prove various properties of unique...
Geometry\Manifold\Sheaf\Basic.lean
/- Copyright (c) 2023 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Geometry.Manifold.LocalInvariantProperties import Mathlib.Topology.Sheaves.LocalPredicate /-! # Generic construction of a sheaf from a `LocalInvaria...
Geometry\Manifold\Sheaf\LocallyRingedSpace.lean
/- Copyright (c) 2023 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Geometry.Manifold.Sheaf.Smooth import Mathlib.Geometry.RingedSpace.LocallyRingedSpace /-! # Smooth manifolds as locally ringed spaces This file equ...
Geometry\Manifold\Sheaf\Smooth.lean
/- Copyright (c) 2023 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth, Adam Topaz -/ import Mathlib.Algebra.Category.Ring.FilteredColimits import Mathlib.Algebra.Category.Ring.Colimits import Mathlib.CategoryTheory.Sites.Whiskering impor...
Geometry\Manifold\VectorBundle\Basic.lean
/- Copyright (c) 2022 Floris van Doorn, Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Floris van Doorn, Heather Macbeth -/ import Mathlib.Geometry.Manifold.ContMDiff.Atlas import Mathlib.Geometry.Manifold.VectorBundle.FiberwiseLinear import Mathlib.To...
Geometry\Manifold\VectorBundle\FiberwiseLinear.lean
/- Copyright (c) 2022 Floris van Doorn, Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Floris van Doorn, Heather Macbeth -/ import Mathlib.Geometry.Manifold.ContMDiff.NormedSpace /-! # The groupoid of smooth, fiberwise-linear maps This file contains ...
Geometry\Manifold\VectorBundle\Hom.lean
/- Copyright (c) 2022 Floris van Doorn. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Floris van Doorn -/ import Mathlib.Geometry.Manifold.VectorBundle.Basic import Mathlib.Topology.VectorBundle.Hom /-! # Homs of smooth vector bundles over the same base space Here w...
Geometry\Manifold\VectorBundle\Pullback.lean
/- Copyright (c) 2023 Floris van Doorn, Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Floris van Doorn, Heather Macbeth -/ import Mathlib.Geometry.Manifold.ContMDiffMap import Mathlib.Geometry.Manifold.VectorBundle.Basic /-! # Pullbacks of smooth vec...
Geometry\Manifold\VectorBundle\SmoothSection.lean
/- Copyright (c) 2023 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth, Floris van Doorn -/ import Mathlib.Geometry.Manifold.MFDeriv.Basic import Mathlib.Topology.ContinuousFunction.Basic import Mathlib.Geometry.Manifold.Algebra.LieGroup ...
Geometry\Manifold\VectorBundle\Tangent.lean
/- Copyright (c) 2022 Floris van Doorn. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Floris van Doorn, Heather Macbeth -/ import Mathlib.Geometry.Manifold.VectorBundle.Basic import Mathlib.Analysis.Convex.Normed /-! # Tangent bundles This file defines the tangent b...
Geometry\RingedSpace\Basic.lean
/- Copyright (c) 2021 Justus Springer. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Justus Springer, Andrew Yang -/ import Mathlib.Algebra.Category.Ring.FilteredColimits import Mathlib.Geometry.RingedSpace.SheafedSpace import Mathlib.Topology.Sheaves.Stalks import Ma...
Geometry\RingedSpace\LocallyRingedSpace.lean
/- Copyright (c) 2020 Johan Commelin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johan Commelin -/ import Mathlib.Geometry.RingedSpace.Basic import Mathlib.Geometry.RingedSpace.Stalks /-! # The category of locally ringed spaces We define (bundled) locally ringed ...
Geometry\RingedSpace\OpenImmersion.lean
/- Copyright (c) 2021 Andrew Yang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Andrew Yang -/ import Mathlib.Topology.Category.TopCat.Limits.Pullbacks import Mathlib.Geometry.RingedSpace.LocallyRingedSpace /-! # Open immersions of structured spaces We say that a m...
Geometry\RingedSpace\PresheafedSpace.lean
/- Copyright (c) 2019 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison -/ import Mathlib.Topology.Sheaves.Presheaf import Mathlib.CategoryTheory.Adjunction.FullyFaithful /-! # Presheafed spaces Introduces the category of topological space...
Geometry\RingedSpace\SheafedSpace.lean
/- Copyright (c) 2019 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison -/ import Mathlib.Geometry.RingedSpace.PresheafedSpace.HasColimits import Mathlib.Geometry.RingedSpace.Stalks import Mathlib.Topology.Sheaves.Functors /-! # Sheafed spa...
Geometry\RingedSpace\Stalks.lean
/- Copyright (c) 2019 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison -/ import Mathlib.Geometry.RingedSpace.PresheafedSpace import Mathlib.CategoryTheory.Limits.Final import Mathlib.Topology.Sheaves.Stalks /-! # Stalks for presheaved spa...
Geometry\RingedSpace\LocallyRingedSpace\HasColimits.lean
/- Copyright (c) 2021 Andrew Yang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Andrew Yang -/ import Mathlib.Geometry.RingedSpace.LocallyRingedSpace import Mathlib.Algebra.Category.Ring.Constructions import Mathlib.Geometry.RingedSpace.OpenImmersion import Mathlib.C...
Geometry\RingedSpace\LocallyRingedSpace\ResidueField.lean
/- Copyright (c) 2024 Christian Merten. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Christian Merten -/ import Mathlib.Geometry.RingedSpace.LocallyRingedSpace import Mathlib.RingTheory.LocalRing.ResidueField.Basic /-! # Residue fields of points Any point `x` of a...
Geometry\RingedSpace\PresheafedSpace\Gluing.lean
/- Copyright (c) 2021 Andrew Yang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Andrew Yang -/ import Mathlib.Topology.Gluing import Mathlib.Geometry.RingedSpace.OpenImmersion import Mathlib.Geometry.RingedSpace.LocallyRingedSpace.HasColimits /-! # Gluing Structured...
Geometry\RingedSpace\PresheafedSpace\HasColimits.lean
/- Copyright (c) 2020 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison -/ import Mathlib.Geometry.RingedSpace.PresheafedSpace import Mathlib.Topology.Category.TopCat.Limits.Basic import Mathlib.Topology.Sheaves.Limits import Mathlib.Categor...
GroupTheory\Abelianization.lean
/- Copyright (c) 2018 Kenny Lau. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Kenny Lau, Michael Howes -/ import Mathlib.GroupTheory.Commutator import Mathlib.GroupTheory.Finiteness /-! # The abelianization of a group This file defines the commutator and the abelia...
GroupTheory\Archimedean.lean
/- Copyright (c) 2020 Heather Macbeth, Patrick Massot. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth, Patrick Massot -/ import Mathlib.Algebra.Group.Subgroup.Order import Mathlib.Algebra.Order.Archimedean.Basic /-! # Archimedean groups This file prov...
GroupTheory\ClassEquation.lean
/- Copyright (c) 2021 Johan Commelin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johan Commelin, Eric Rodriguez -/ import Mathlib.Algebra.BigOperators.Finprod import Mathlib.Algebra.Group.ConjFinite import Mathlib.Algebra.Group.Subgroup.Finite import Mathlib.Data....
GroupTheory\Commensurable.lean
/- Copyright (c) 2021 Chris Birkbeck. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Chris Birkbeck -/ import Mathlib.GroupTheory.Index /-! # Commensurability for subgroups This file defines commensurability for subgroups of a group `G`. It then goes on to prove that...
GroupTheory\Commutator.lean
/- Copyright (c) 2021 Jordan Brown, Thomas Browning, Patrick Lutz. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jordan Brown, Thomas Browning, Patrick Lutz -/ import Mathlib.Algebra.Group.Subgroup.Finite import Mathlib.GroupTheory.Subgroup.Centralizer import Mathlib....
GroupTheory\CommutingProbability.lean
/- Copyright (c) 2022 Thomas Browning. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Thomas Browning -/ import Mathlib.GroupTheory.Abelianization import Mathlib.GroupTheory.SpecificGroups.Dihedral import Mathlib.Tactic.LinearCombination import Mathlib.Tactic.Qify /-!...
GroupTheory\Complement.lean
/- Copyright (c) 2021 Thomas Browning. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Thomas Browning -/ import Mathlib.Data.ZMod.Quotient /-! # Complements In this file we define the complement of a subgroup. ## Main definitions - `IsComplement S T` where `S` and ...
GroupTheory\CoprodI.lean
/- Copyright (c) 2021 David Wärn. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: David Wärn, Joachim Breitner -/ import Mathlib.Algebra.Group.Submonoid.Membership import Mathlib.GroupTheory.Congruence.Basic import Mathlib.GroupTheory.FreeGroup.IsFreeGroup import Mathli...
GroupTheory\Coset.lean
/- Copyright (c) 2018 Mitchell Rowett. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mitchell Rowett, Scott Morrison -/ import Mathlib.Algebra.Quotient import Mathlib.Algebra.Group.Subgroup.Actions import Mathlib.Algebra.Group.Subgroup.MulOpposite import Mathlib.Group...
GroupTheory\CosetCover.lean
/- Copyright (c) 2024 Antoine Chambert-Loir, Richard Copley. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Antoine Chambert-Loir, Richard Copley -/ import Mathlib.GroupTheory.Complement import Mathlib.LinearAlgebra.Basis.VectorSpace /-! # Lemma of B. H. Neumann on c...
GroupTheory\Divisible.lean
/- Copyright (c) 2022 Jujian Zhang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jujian Zhang -/ import Mathlib.Algebra.Group.ULift import Mathlib.GroupTheory.QuotientGroup /-! # Divisible Group and rootable group In this file, we define a divisible add monoid and ...
GroupTheory\DoubleCoset.lean
/- Copyright (c) 2021 Chris Birkbeck. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Chris Birkbeck -/ import Mathlib.Algebra.Group.Subgroup.Pointwise import Mathlib.GroupTheory.Coset /-! # Double cosets This file defines double cosets for two subgroups `H K` of a gr...
GroupTheory\EckmannHilton.lean
/- Copyright (c) 2018 Kenny Lau. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johan Commelin, Kenny Lau, Robert Y. Lewis -/ import Mathlib.Algebra.Group.Defs /-! # Eckmann-Hilton argument The Eckmann-Hilton argument says that if a type carries two monoid structures...
GroupTheory\Exponent.lean
/- Copyright (c) 2021 Julian Kuelshammer. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Julian Kuelshammer -/ import Mathlib.GroupTheory.OrderOfElement import Mathlib.Algebra.GCDMonoid.Finset import Mathlib.Algebra.GCDMonoid.Nat import Mathlib.Data.Nat.Factorization.B...
GroupTheory\FiniteAbelian.lean
/- Copyright (c) 2022 Pierre-Alexandre Bazin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Pierre-Alexandre Bazin -/ import Mathlib.Algebra.Module.PID import Mathlib.Data.ZMod.Quotient /-! # Structure of finite(ly generated) abelian groups * `AddCommGroup.equiv_fre...
GroupTheory\Finiteness.lean
/- Copyright (c) 2021 Riccardo Brasca. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Riccardo Brasca -/ import Mathlib.Data.Set.Pointwise.Finite import Mathlib.GroupTheory.QuotientGroup /-! # Finitely generated monoids and groups We define finitely generated monoids...
GroupTheory\FixedPointFree.lean
/- Copyright (c) 2024 Thomas Browning. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Thomas Browning -/ import Mathlib.GroupTheory.Perm.Cycle.Type /-! # Fixed-point-free automorphisms This file defines fixed-point-free automorphisms and proves some basic properties....
GroupTheory\Frattini.lean
/- Copyright (c) 2024 Colva Roney-Dougal. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Colva Roney-Dougal, Inna Capdeboscq, Susanna Fishel, Kim Morrison -/ import Mathlib.GroupTheory.Nilpotent import Mathlib.Order.Radical /-! # The Frattini subgroup We give the def...
GroupTheory\FreeAbelianGroup.lean
/- Copyright (c) 2018 Kenny Lau. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Kenny Lau -/ import Mathlib.GroupTheory.Abelianization import Mathlib.GroupTheory.FreeGroup.Basic /-! # Free abelian groups The free abelian group on a type `α`, defined as the abelianisa...
GroupTheory\FreeAbelianGroupFinsupp.lean
/- Copyright (c) 2021 Johan Commelin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johan Commelin -/ import Mathlib.Algebra.Group.Equiv.TypeTags import Mathlib.GroupTheory.FreeAbelianGroup import Mathlib.GroupTheory.FreeGroup.IsFreeGroup import Mathlib.LinearAlgebra....
GroupTheory\HNNExtension.lean
/- Copyright (c) 2023 Chris Hughes. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Chris Hughes -/ import Mathlib.GroupTheory.Coprod.Basic import Mathlib.GroupTheory.Complement /-! ## HNN Extensions of Groups This file defines the HNN extension of a group `G`, `HNN...