feat(NumberTheory/ModularForms): E₄ and E₆ generate the graded ring of level-1 modular forms freely#38813

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CBirkbeck:e4-e6-generate-graded-ring

Commits on Apr 3, 2026

save
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Commits on Apr 8, 2026

feat(NumberTheory/ModularForms): add cusp form submodule and level one dimension formula

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chore(NumberTheory/ModularForms): address PR review comments

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chore(NumberTheory/ModularForms): inline more haves in dimension formula proofs

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feat(NumberTheory/ModularForms): add E₄ and E₆ abbreviations

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golf
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feat(Algebra/Order/Floor/Semifield): add `Nat.floor_div_eq_one_add_floor_sub_div`

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refactor(NumberTheory/ModularForms): pull q-coordinate eta-product helpers up to DedekindEta

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refactor(NumberTheory/ModularForms): derive z-coord eta lemmas from q-coord base

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chore(NumberTheory/ModularForms): shorten `multipliableLocallyUniformlyOn_eta`

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refactor(NumberTheory/ModularForms): decompose dimension-formula proofs

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chore(NumberTheory/ModularForms): tighten dimension-formula proofs after decomposition

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chore(NumberTheory/ModularForms): wrap long lines to ≤ 100 chars

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chore(NumberTheory/ModularForms): drop redundant show in E₄/E₆ qExpansion lemmas

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some golfs
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more golfs
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Merge remote-tracking branch 'upstream/master' into Modular_form_dim_fomula_lvl1
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Commits on Apr 10, 2026

cleanup
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Commits on May 1, 2026

Commits on May 3, 2026

Commits on May 4, 2026

Commits on May 11, 2026

Merge remote-tracking branch 'upstream/master' into e4-e6-generate-graded-ring

CBirkbeck
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Chris Birkbeck
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Commits on May 12, 2026

Merge remote-tracking branch 'upstream/master' into e4-e6-generate-graded-ring
CBirkbeck
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fix: drop duplicate discriminant identity (now in LevelOne/GradedRing)
Chris Birkbeck
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cleanup: omega → lia, => → ↦
Chris Birkbeck
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