The conjecture on specialization of 1-cycles
Let be as in the cited theorem of Kollár--Tian, with generic fiber and integer as in that theorem. Write and for the relevant Chow groups, and for the group of algebraically trivial 1-cycles. The specialization conjecture for 1-cycles. The natural homomorphisms
are isomorphisms.
This concerns specialization and algebraic equivalence of 1-cycles in the degeneration considered by the paper. The source gives no resolution status for the assertion.
References
Primary source
Morten Lüders, “On analogues of the Kato conjectures and proper base change for 1-cycles on rationally connected varieties”, arXiv:2409.14497 (2024).
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