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In their 1983 paper "Remarks on correspondences and algebraic cycles" Bloch and Srinivas proved several interesting properties of smooth proper varieties (over universal domains) whose Chow groups of zero cycles are supported in positive codimension. Now there exist a lot of papers citing this one; so I would like to ask the following questions.

  1. Which texts describe 'the biggest' collections of varieties satisfying this support condition (or possibly some alternative one)?

  2. Did anybody study similar support conditions for (co)homology theories distinct from $Chow_0$ (computed over a universal domain)? This could include: $Chow_0$ (with integral coefficients) over fields that are not algebraically closed fields, higher Chow groups, certain Witt and Chow-Witt groups, K-theory.

  3. What interesting consequences are known to follow from support conditions of this type?

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    $\begingroup$ I recommend C. Voisin's book Chow Rings, Decomposition of the Diagonal, and the Topology of Families (Ann. Math. Studies 187) for many unexpected applications of this property. $\endgroup$
    – abx
    Commented Sep 29, 2014 at 12:17
  • $\begingroup$ Thank you!! This books contains plenty of information indeed. $\endgroup$
    – Mikhail Bondarko
    Commented Sep 30, 2014 at 19:09

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