2023
DOI: 10.5802/jep.229
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The space of finite-energy metrics over a degeneration of complex manifolds

Abstract: Given a degeneration of projective complex manifolds X → D * with meromorphic singularities, and a relatively ample line bundle L on X, we study spaces of plurisubharmonic metrics on L, with particular focus on (relative) finite-energy conditions. We endow the space E 1 (L) of relatively maximal, relative finite-energy metrics with a d 1 -type distance given by the Lelong number at zero of the collection of fiberwise Darvas d 1 -distances. We show that this metric structure is complete and geodesic. Seeing X a… Show more

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Cited by 4 publications
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“…As shown in [BLXZ23, § 3.2] and [Reb23, § 4.7], various functionals on the space of filtrations are convex along geodesics. These convexity results are proven in [BLXZ23, § 3.2] using a measure on (similarly to the proof of Theorem 1.1) and imply the uniqueness of minimizers of the -functional on the space of valuations on a Fano variety [BLXZ23, § 3.3].…”
Section: Relation To Global Resultsmentioning
confidence: 99%
“…As shown in [BLXZ23, § 3.2] and [Reb23, § 4.7], various functionals on the space of filtrations are convex along geodesics. These convexity results are proven in [BLXZ23, § 3.2] using a measure on (similarly to the proof of Theorem 1.1) and imply the uniqueness of minimizers of the -functional on the space of valuations on a Fano variety [BLXZ23, § 3.3].…”
Section: Relation To Global Resultsmentioning
confidence: 99%