On positivity of the CM line bundle on K-moduli spaces
In this paper, we consider the CM line bundle on the K-moduli space, ie, the moduli space
parametrizing K-polystable Fano varieties. We prove it is ample on any proper subspace …
parametrizing K-polystable Fano varieties. We prove it is ample on any proper subspace …
Reductivity of the automorphism group of K-polystable Fano varieties
We prove that K-polystable log Fano pairs have reductive automorphism groups. In fact, we
deduce this statement by establishing more general results concerning the S-completeness …
deduce this statement by establishing more general results concerning the S-completeness …
K-stability of Fano varieties: an algebro-geometric approach
C Xu - EMS Surveys in Mathematical Sciences, 2021 - content.ems.press
K-stability of Fano varieties: an algebro-geometric approach Page 1 EMS Surv. Math. Sci. 8 (2021),
265–354 DOI 10.4171/EMSS/51 © 2021 European Mathematical Society Published by EMS …
265–354 DOI 10.4171/EMSS/51 © 2021 European Mathematical Society Published by EMS …
Uniqueness of the minimizer of the normalized volume function
We confirm a conjecture of Chi Li which says that the minimizer of the normalized volume
function for a klt singularity is unique up to rescaling. This is achieved by defining stability …
function for a klt singularity is unique up to rescaling. This is achieved by defining stability …
On properness of K-moduli spaces and optimal degenerations of Fano varieties
We establish an algebraic approach to prove the properness of moduli spaces of K-
polystable Fano varieties and reduce the problem to a conjecture on destabilizations of K …
polystable Fano varieties and reduce the problem to a conjecture on destabilizations of K …
The existence of the Kähler–Ricci soliton degeneration
We prove an algebraic version of the Hamilton–Tian conjecture for all log Fano pairs. More
precisely, we show that any log Fano pair admits a canonical two-step degeneration to a …
precisely, we show that any log Fano pair admits a canonical two-step degeneration to a …
[HTML][HTML] K-stability and birational models of moduli of quartic K3 surfaces
We show that the K-moduli spaces of log Fano pairs (P 3, c S) where S is a quartic surface
interpolate between the GIT moduli space of quartic surfaces and the Baily–Borel …
interpolate between the GIT moduli space of quartic surfaces and the Baily–Borel …
Algebraic uniqueness of K\"{a} hler-Ricci flow limits and optimal degenerations of Fano varieties
J Han, C Li - arXiv preprint arXiv:2009.01010, 2020 - arxiv.org
We prove that for any $\mathbb {Q} $-Fano variety $ X $, the special $\mathbb {R} $-test
configuration that minimizes the $ H $-functional is unique and has a K-semistable $\mathbb …
configuration that minimizes the $ H $-functional is unique and has a K-semistable $\mathbb …
Optimal destabilization of K–unstable Fano varieties via stability thresholds
We show that for a K–unstable Fano variety, any divisorial valuation computing its stability
threshold induces a nontrivial special test configuration preserving the stability threshold …
threshold induces a nontrivial special test configuration preserving the stability threshold …
Wall crossing for K‐moduli spaces of plane curves
We construct proper good moduli spaces parametrizing K‐polystable QQ‐Gorenstein
smoothable log Fano pairs (X, c D) (X,cD), where XX is a Fano variety and DD is a rational …
smoothable log Fano pairs (X, c D) (X,cD), where XX is a Fano variety and DD is a rational …