analysis.normed_space.algebra | Mathlib porting status

Changes since the initial port

The following section lists changes to this file in mathlib3 and mathlib4 that occured after the initial port. Most recent changes are shown first. Hovering over a commit will show all commits associated with the same mathlib3 commit.

Changes in mathlib3

17ef379e

(last sync)

Changes in mathlib3port

mathlib3

mathlib3port

087c325a

bump to nightly-2024-02-06-08

mathlib commit https://github.com/leanprover-community/mathlib/commit/65a1391a0106c9204fe45bc73a039f056558cb83

5db42cbe

Diff

@@ -42,7 +42,7 @@ variable [NontriviallyNormedField 𝕜] [NormedRing A] [NormedAlgebra 𝕜 A] [C
 
 #print WeakDual.CharacterSpace.norm_le_norm_one /-
 theorem norm_le_norm_one (φ : characterSpace 𝕜 A) : ‖toNormedDual (φ : WeakDual 𝕜 A)‖ ≤ ‖(1 : A)‖ :=
-  ContinuousLinearMap.op_norm_le_bound _ (norm_nonneg (1 : A)) fun a =>
+  ContinuousLinearMap.opNorm_le_bound _ (norm_nonneg (1 : A)) fun a =>
     mul_comm ‖a‖ ‖(1 : A)‖ ▸ spectrum.norm_le_norm_mul_of_mem (apply_mem_spectrum φ a)
 #align weak_dual.character_space.norm_le_norm_one WeakDual.CharacterSpace.norm_le_norm_one
 -/

087c325a

bump to nightly-2023-09-24-06

mathlib commit https://github.com/leanprover-community/mathlib/commit/ce64cd319bb6b3e82f31c2d38e79080d377be451

5655435f

Diff

@@ -3,9 +3,9 @@ Copyright (c) 2022 Frédéric Dupuis. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Frédéric Dupuis
 -/
-import Mathbin.Topology.Algebra.Module.CharacterSpace
-import Mathbin.Analysis.NormedSpace.WeakDual
-import Mathbin.Analysis.NormedSpace.Spectrum
+import Topology.Algebra.Module.CharacterSpace
+import Analysis.NormedSpace.WeakDual
+import Analysis.NormedSpace.Spectrum
 
 #align_import analysis.normed_space.algebra from "leanprover-community/mathlib"@"087c325ae0ab42dbdd5dee55bc37d3d5a0bf2197"
 
@@ -55,7 +55,7 @@ instance [ProperSpace 𝕜] : CompactSpace (characterSpace 𝕜 A) :=
     intro φ hφ
     rw [Set.mem_preimage, mem_closedBall_zero_iff]
     exact (norm_le_norm_one ⟨φ, ⟨hφ.1, hφ.2⟩⟩ : _)
-  exact isCompact_of_isClosed_subset (is_compact_closed_ball 𝕜 0 _) character_space.is_closed h
+  exact IsCompact.of_isClosed_subset (is_compact_closed_ball 𝕜 0 _) character_space.is_closed h
 
 end CharacterSpace

087c325a

bump to nightly-2023-07-20-09

mathlib commit https://github.com/leanprover-community/mathlib/commit/8ea5598db6caeddde6cb734aa179cc2408dbd345

9c56d0dd

Diff

@@ -2,16 +2,13 @@
 Copyright (c) 2022 Frédéric Dupuis. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Frédéric Dupuis
-
-! This file was ported from Lean 3 source module analysis.normed_space.algebra
-! leanprover-community/mathlib commit 087c325ae0ab42dbdd5dee55bc37d3d5a0bf2197
-! Please do not edit these lines, except to modify the commit id
-! if you have ported upstream changes.
 -/
 import Mathbin.Topology.Algebra.Module.CharacterSpace
 import Mathbin.Analysis.NormedSpace.WeakDual
 import Mathbin.Analysis.NormedSpace.Spectrum
 
+#align_import analysis.normed_space.algebra from "leanprover-community/mathlib"@"087c325ae0ab42dbdd5dee55bc37d3d5a0bf2197"
+
 /-!
 # Normed algebras

087c325a

bump to nightly-2023-06-13-21

mathlib commit https://github.com/leanprover-community/mathlib/commit/9fb8964792b4237dac6200193a0d533f1b3f7423

829520ac

Diff

@@ -43,10 +43,12 @@ namespace CharacterSpace
 
 variable [NontriviallyNormedField 𝕜] [NormedRing A] [NormedAlgebra 𝕜 A] [CompleteSpace A]
 
+#print WeakDual.CharacterSpace.norm_le_norm_one /-
 theorem norm_le_norm_one (φ : characterSpace 𝕜 A) : ‖toNormedDual (φ : WeakDual 𝕜 A)‖ ≤ ‖(1 : A)‖ :=
   ContinuousLinearMap.op_norm_le_bound _ (norm_nonneg (1 : A)) fun a =>
     mul_comm ‖a‖ ‖(1 : A)‖ ▸ spectrum.norm_le_norm_mul_of_mem (apply_mem_spectrum φ a)
 #align weak_dual.character_space.norm_le_norm_one WeakDual.CharacterSpace.norm_le_norm_one
+-/
 
 instance [ProperSpace 𝕜] : CompactSpace (characterSpace 𝕜 A) :=
   by

087c325a

bump to nightly-2023-06-13-03

mathlib commit https://github.com/leanprover-community/mathlib/commit/9fb8964792b4237dac6200193a0d533f1b3f7423

c9322c77

Diff

@@ -4,7 +4,7 @@ Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Frédéric Dupuis
 
 ! This file was ported from Lean 3 source module analysis.normed_space.algebra
-! leanprover-community/mathlib commit 17ef379e997badd73e5eabb4d38f11919ab3c4b3
+! leanprover-community/mathlib commit 087c325ae0ab42dbdd5dee55bc37d3d5a0bf2197
 ! Please do not edit these lines, except to modify the commit id
 ! if you have ported upstream changes.
 -/
@@ -15,6 +15,9 @@ import Mathbin.Analysis.NormedSpace.Spectrum
 /-!
 # Normed algebras
 
+> THIS FILE IS SYNCHRONIZED WITH MATHLIB4.
+> Any changes to this file require a corresponding PR to mathlib4.
+
 This file contains basic facts about normed algebras.
 
 ## Main results

17ef379e

bump to nightly-2023-06-11-17

mathlib commit https://github.com/leanprover-community/mathlib/commit/c471da714c044131b90c133701e51b877c246677

e85a8bfe

Diff

@@ -43,7 +43,7 @@ variable [NontriviallyNormedField 𝕜] [NormedRing A] [NormedAlgebra 𝕜 A] [C
 theorem norm_le_norm_one (φ : characterSpace 𝕜 A) : ‖toNormedDual (φ : WeakDual 𝕜 A)‖ ≤ ‖(1 : A)‖ :=
   ContinuousLinearMap.op_norm_le_bound _ (norm_nonneg (1 : A)) fun a =>
     mul_comm ‖a‖ ‖(1 : A)‖ ▸ spectrum.norm_le_norm_mul_of_mem (apply_mem_spectrum φ a)
-#align weak_dual.character_space.norm_le_norm_one WeakDual.characterSpace.norm_le_norm_one
+#align weak_dual.character_space.norm_le_norm_one WeakDual.CharacterSpace.norm_le_norm_one
 
 instance [ProperSpace 𝕜] : CompactSpace (characterSpace 𝕜 A) :=
   by

17ef379e

bump to nightly-2023-02-21-16

mathlib commit https://github.com/leanprover-community/mathlib/commit/bd9851ca476957ea4549eb19b40e7b5ade9428cc

1107b979

Changes in mathlib4

mathlib3

mathlib4

17ef379e

chore: rename op_norm to opNorm (#10185)

Co-authored-by: adomani <adomani@gmail.com>

e3a011e5

Diff

@@ -38,7 +38,7 @@ namespace CharacterSpace
 variable [NontriviallyNormedField 𝕜] [NormedRing A] [NormedAlgebra 𝕜 A] [CompleteSpace A]
 
 theorem norm_le_norm_one (φ : characterSpace 𝕜 A) : ‖toNormedDual (φ : WeakDual 𝕜 A)‖ ≤ ‖(1 : A)‖ :=
-  ContinuousLinearMap.op_norm_le_bound _ (norm_nonneg (1 : A)) fun a =>
+  ContinuousLinearMap.opNorm_le_bound _ (norm_nonneg (1 : A)) fun a =>
     mul_comm ‖a‖ ‖(1 : A)‖ ▸ spectrum.norm_le_norm_mul_of_mem (apply_mem_spectrum φ a)
 #align weak_dual.character_space.norm_le_norm_one WeakDual.CharacterSpace.norm_le_norm_one

17ef379e

chore(Topology/SubsetProperties): rename isCompact_of_isClosed_subset (#7298)

As discussed on Zulip.

Co-authored-by: grunweg <grunweg@posteo.de>

b68cba43

Diff

@@ -48,7 +48,7 @@ instance [ProperSpace 𝕜] : CompactSpace (characterSpace 𝕜 A) := by
     intro φ hφ
     rw [Set.mem_preimage, mem_closedBall_zero_iff]
     exact (norm_le_norm_one ⟨φ, ⟨hφ.1, hφ.2⟩⟩ : _)
-  exact isCompact_of_isClosed_subset (isCompact_closedBall 𝕜 0 _) CharacterSpace.isClosed h
+  exact (isCompact_closedBall 𝕜 0 _).of_isClosed_subset CharacterSpace.isClosed h
 
 end CharacterSpace

17ef379e

chore: banish Type _ and Sort _ (#6499)

We remove all possible occurences of Type _ and Sort _ in favor of Type* and Sort*.

This has nice performance benefits.

32de3f67

Diff

@@ -29,7 +29,7 @@ normed algebra, character space, continuous functional calculus
 -/
 
 
-variable {𝕜 : Type _} {A : Type _}
+variable {𝕜 : Type*} {A : Type*}
 
 namespace WeakDual

17ef379e

chore: script to replace headers with #align_import statements (#5979)

depends on: #5966

Co-authored-by: Eric Wieser <wieser.eric@gmail.com> Co-authored-by: Scott Morrison <scott.morrison@gmail.com>

89aa3a3b

Diff

@@ -2,16 +2,13 @@
 Copyright (c) 2022 Frédéric Dupuis. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Frédéric Dupuis
-
-! This file was ported from Lean 3 source module analysis.normed_space.algebra
-! leanprover-community/mathlib commit 17ef379e997badd73e5eabb4d38f11919ab3c4b3
-! Please do not edit these lines, except to modify the commit id
-! if you have ported upstream changes.
 -/
 import Mathlib.Topology.Algebra.Module.CharacterSpace
 import Mathlib.Analysis.NormedSpace.WeakDual
 import Mathlib.Analysis.NormedSpace.Spectrum
 
+#align_import analysis.normed_space.algebra from "leanprover-community/mathlib"@"17ef379e997badd73e5eabb4d38f11919ab3c4b3"
+
 /-!
 # Normed algebras

17ef379e

feat: port Analysis.NormedSpace.Algebra (#4971)

depends on: #4946

Co-authored-by: Chris Hughes <chrishughes24@gmail.com>

50d067d2

`analysis.normed_space.algebra` ⟷ `Mathlib.Analysis.NormedSpace.Algebra`

Changes since the initial port

Changes in mathlib3

Changes in mathlib3port

Changes in mathlib4

Dependencies 12 + 1135

analysis.normed_space.algebra ⟷ Mathlib.Analysis.NormedSpace.Algebra

Changes since the initial port

Changes in mathlib3

Changes in mathlib3port

Changes in mathlib4

Dependencies 12 + 1135

`analysis.normed_space.algebra` ⟷ `Mathlib.Analysis.NormedSpace.Algebra`