Quartic Kitaoka
Kikina and Kuba proved Kitaoka’s Conjecture for quartic fields: There are actually no totally real quartic fields that admit a classical universal quadratic form of rank 3.
Current:
Current:
Kikina and Kuba proved Kitaoka’s Conjecture for quartic fields: There are actually no totally real quartic fields that admit a classical universal quadratic form of rank 3.