feat: linear map from L^p (mu) to L^p (nu) when nu is bounded by a multiple of mu

[sgouezel]

---

[github-actions]

PR summary c05d43bff2

Import changes for modified files

No significant changes to the import graph

Import changes for all files

Files	Import difference

---

Declarations diff (regex)

+ LpToLpOfMeasureLeSMul
+ LpToLpOfMeasureLeSMulₗ
+ coeFn_LpToLpOfMeasureLeSMul
+ coeFn_LpToLpOfMeasureLeSMulₗ
+ eLpNorm_le_of_measure_le_smul
+ eLpNorm_smul_measure_le
+ enorm_LpToLpOfMeasureLeSMulₗ_apply_le
+ norm_LpToLpOfMeasureLeSMul_le
+ norm_LpToLpOfMeasureLeSMulₗ_apply_le
+ opENorm_flip
+ opENorm_lsmul
+ opENorm_lsmul_apply
+ opENorm_lsmul_le
+ opENorm_mul
+ opNNNorm_flip
+ tendsto_iff_enorm_div_tendsto_zero

You can run this locally as follows

## from your `mathlib4` directory:
git clone https://github.com/leanprover-community/mathlib-ci.git ../mathlib-ci

## summary with just the declaration names:
../mathlib-ci/scripts/pr_summary/declarations_diff.sh <optional_commit>

## more verbose report:
../mathlib-ci/scripts/pr_summary/declarations_diff.sh long <optional_commit>

The doc-module for scripts/pr_summary/declarations_diff.sh in the mathlib-ci repository contains some details about this script.

Declarations diff (Lean)

✅ Lean-aware diff — post-build, computed from the Lean environment (commit c05d43b).

• +18 new declarations
• −0 removed declarations

+ContinuousLinearMap.opENorm_flip
+ContinuousLinearMap.opENorm_lsmul
+ContinuousLinearMap.opENorm_lsmul_apply
+ContinuousLinearMap.opENorm_lsmul_le
+ContinuousLinearMap.opENorm_mul
+ContinuousLinearMap.opNNNorm_flip
+MeasureTheory.Lp.LpToLpOfMeasureLeSMul
+MeasureTheory.Lp.LpToLpOfMeasureLeSMulₗ
+MeasureTheory.Lp.LpToLpOfMeasureLeSMulₗ.congr_simp
+MeasureTheory.Lp.coeFn_LpToLpOfMeasureLeSMul
+MeasureTheory.Lp.coeFn_LpToLpOfMeasureLeSMulₗ
+MeasureTheory.Lp.enorm_LpToLpOfMeasureLeSMulₗ_apply_le
+MeasureTheory.Lp.norm_LpToLpOfMeasureLeSMul_le
+MeasureTheory.Lp.norm_LpToLpOfMeasureLeSMulₗ_apply_le
+MeasureTheory.eLpNorm_le_of_measure_le_smul
+MeasureTheory.eLpNorm_smul_measure_le
+tendsto_iff_enorm_div_tendsto_zero
+tendsto_iff_enorm_sub_tendsto_zero

---

No changes to strong technical debt.

No changes to weak technical debt.

Current commit c05d43bff2
Reference commit 555b02bc95

This script lives in the mathlib-ci repository. To run it locally, from your mathlib4 directory:

git clone https://github.com/leanprover-community/mathlib-ci.git ../mathlib-ci
../mathlib-ci/scripts/reporting/technical-debt-metrics.sh pr_summary

• The relative value is the weighted sum of the differences with weight given by the inverse of the current value of the statistic.
• The absolute value is the relative value divided by the total sum of the inverses of the current values (i.e. the weighted average of the differences).