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Commit
2021-02-07 23:41
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feat(algebra/lie/basic): define the center of a Lie algebra and prove some related results (
#6013
)
Estimated changes
Modified
src/algebra/lie/basic.lean
added
theorem
lie_algebra.abelian_of_le_center
added
theorem
lie_algebra.abelian_radical_iff_solvable_is_abelian
added
theorem
lie_algebra.abelian_radical_of_semisimple
modified
def
lie_algebra.ad
added
def
lie_algebra.center
added
theorem
lie_algebra.center_eq_adjoint_kernel
added
theorem
lie_algebra.center_eq_bot_of_semisimple
added
theorem
lie_algebra.center_le_radical
added
theorem
lie_algebra.is_lie_abelian_iff_center_eq_top
deleted
theorem
lie_algebra.of_abelian_is_solvable
added
theorem
lie_algebra.subsingleton_of_semisimple_lie_abelian
deleted
theorem
lie_ideal.of_bot_eq_bot
added
theorem
lie_ideal.subsingleton_of_bot
deleted
theorem
lie_ideal.unique_of_bot
added
theorem
lie_module.is_trivial_iff_maximal_trivial_eq_top
added
def
lie_module.maximal_trivial_submodule
added
theorem
lie_module.mem_maximal_trivial_submodule
deleted
def
lie_module.to_endo_morphism
added
def
lie_module.to_endomorphism
added
theorem
lie_module.trivial_iff_le_maximal_trivial
deleted
theorem
lie_submodule.of_bot_eq_bot
added
theorem
lie_submodule.subsingleton_of_bot
deleted
theorem
lie_submodule.unique_of_bot