English
There is a compatibility between intTrace and the algebra map when embedding A into K and B into L, matching trace values through the isomorphism of integral closures.
Русский
Существуют совместимости между intTrace и отображениями по базам через изоморфизм интегральных замкнений, согласующие значения следа.
LaTeX
$$$[IsIntegrallyClosed A]\\ [IsIntegrallyClosed B] \\Rightarrow algebraMap A K (Algebra.intTrace A B x) = Algebra.trace K L (algebraMap B L x)$$$
Lean4
theorem map_intNormAux (x : B) : algebraMap A K (Algebra.intNormAux A K L B x) = Algebra.norm K (algebraMap B L x) :=
by
dsimp [Algebra.intNormAux]
exact IsIntegralClosure.algebraMap_mk' _ _ _