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feat(NumberTheory/Height/NumberField): comparison of heights across extensions of number fields#41606

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feat(NumberTheory/Height/NumberField): comparison of heights across extensions of number fields#41606
tb65536 wants to merge 8 commits into
leanprover-community:masterfrom
tb65536:tb_absht

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@tb65536 tb65536 commented Jul 10, 2026

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@tb65536 tb65536 added awaiting-CI This PR does not pass CI yet. This label is automatically removed once it does. t-number-theory Number theory (also use t-algebra or t-analysis to specialize) t-algebra Algebra (groups, rings, fields, etc) labels Jul 10, 2026
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github-actions Bot commented Jul 10, 2026

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PR summary 70bcdebf97

Import changes for modified files

Dependency changes

File Base Count Head Count Change
Mathlib.NumberTheory.Height.NumberField 3207 3211 +4 (+0.12%)
Import changes for all files
Files Import difference
Mathlib.NumberTheory.Height.NumberField 4

Declarations diff (regex)

+ _root_.NumberField.FinitePlace.equivHeightOneSpectrum_symm_apply_algebraMap
+ _root_.NumberField.InfinitePlace.liesOver_iff_comap_eq
+ absMulHeight₁
+ absMulHeight₁_eq
+ finrank_nsmul_logHeight
+ finrank_nsmul_logHeight₁
+ foobar_mul
+ mulHeight_pow_finrank
+ mulHeight_pow_finrank_aux
+ mulHeight₁_pow_finrank
+ mult_mul_finrank

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 -- pending)

Computed after the build finishes.


No changes to strong technical debt.

No changes to weak technical debt.

Current commit 70bcdebf97
Reference commit a33a5ccd63

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).

@mathlib-dependent-issues mathlib-dependent-issues Bot added the blocked-by-other-PR This PR depends on another PR (this label is automatically managed by a bot) label Jul 10, 2026
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awaiting-CI This PR does not pass CI yet. This label is automatically removed once it does. blocked-by-other-PR This PR depends on another PR (this label is automatically managed by a bot) t-algebra Algebra (groups, rings, fields, etc) t-number-theory Number theory (also use t-algebra or t-analysis to specialize)

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