Kuroda's Class Number Formula
arXiv:2607.27034
summary
The paper provides an algebraic (non‑analytic) proof of the class number formula specifically for biquadratic extensions of number fields.
Abstract
We give a non-analytic proof of the class number formula for biquadratic extensions of number fields.
Topics & keywords
#class number formula#biquadratic extensions#algebraic number theory#number fields#non‑analytic proofsclass numberbiquadratic extensionDedekind zetaalgebraic proofnumber field