“…We refer to [21], [2], [30], [14], [17] for basics on the notion of finite-dimensional motive. An essential property of varieties with finite-dimensional motive is embodied by the nilpotence theorem:…”
Section: Finite-dimensional Motivesmentioning
confidence: 99%
“…Actually, the nilpotence property (for all powers of X) could serve as an alternative definition of finite-dimensional motive, as shown by a result of Jannsen [17,Corollary 3.9]. Conjecturally, all smooth projective varieties have finite-dimensional motive [21].…”
Section: Finite-dimensional Motivesmentioning
confidence: 99%
“…The notion of finite-dimensional motive, developed independently by Kimura and O'Sullivan [21], [2], [30], [17], [14] has given major new impetus to the field of algebraic cycles. To give but one example: thanks to this notion, we now know the Bloch conjecture is true for surfaces of geometric genus zero that are rationally dominated by a product of curves [21].…”
We study cycle-theoretic properties of the Fano variety of lines on a smooth cubic fivefold. The arguments are based on the fact that this Fano variety has finite-dimensional motive. We also present some results concerning Chow groups of Fano varieties of lines on certain cubics in other dimensions.
“…Some examples where it has been successfully exploited are the proof of Bloch's conjecture for surfaces dominated by a product of curves [11], the proof that rational and numerical equivalence coincide for products of elliptic curves over finite fields [9] and the proof of the Bloch-Beilinson conjecture for products of elliptic curves (over some special fields) [8].…”
We study mixed versions of the classical quotient functor from Chow motives to numerical motives. We compare two natural definitions, which turn out to be very different. We investigate fullness, conservativity and exactness of these two functors.
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