A new invariant from cycle maps on curves shows that a smooth threefold intersection of two quadrics over a subfield of C is rational if and only if it contains a line over that field.
Title resolution pending
1 Pith paper cite this work. Polarity classification is still indexing.
1
Pith paper citing it
fields
math.AG 1years
2019 1verdicts
CONDITIONAL 1representative citing papers
citing papers explorer
-
Cycle class maps and birational invariants
A new invariant from cycle maps on curves shows that a smooth threefold intersection of two quadrics over a subfield of C is rational if and only if it contains a line over that field.