Article (Scientific journals)
NODAL VOLUMES AS DIFFERENTIABLE FUNCTIONALS OF GAUSSIAN FIELDS
PECCATI, Giovanni; STECCONI, Michele
2025In Transactions of the American Mathematical Society, 378 (9), p. 6585 - 6654
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Published electronically: May 1, 2025 Additional Notes: This research was supported by the Luxembourg National Research Fund (Grant: 021/16236290/HDSA)
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Keywords :
Mathematics (all); Applied Mathematics
Abstract :
[en] We characterize the absolute continuity of the law and the Malliavin-Sobolev regularity of random nodal volumes associated with smooth Gaussian fields on generic C2 manifolds with arbitrary dimension. Our results extend and generalize the seminal contribution by Angst and Poly (2020) about stationary fields on Euclidean spaces and cover, in particular, the case of two-dimensional manifolds, possibly with boundary and corners. The main tools exploited in the proofs include the use of Gaussian measures on Banach spaces, Morse theory, and the characterization of Malliavin-Sobolev spaces in terms of ray absolute continuity. Several examples are analyzed in detail.
Disciplines :
Mathematics
Author, co-author :
PECCATI, Giovanni ;  University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Mathematics (DMATH)
STECCONI, Michele  ;  University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Mathematics (DMATH)
External co-authors :
no
Language :
English
Title :
NODAL VOLUMES AS DIFFERENTIABLE FUNCTIONALS OF GAUSSIAN FIELDS
Publication date :
September 2025
Journal title :
Transactions of the American Mathematical Society
ISSN :
0002-9947
eISSN :
1088-6850
Publisher :
American Mathematical Society
Volume :
378
Issue :
9
Pages :
6585 - 6654
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
Fonds National de la Recherche Luxembourg
Fonds National de la Recherche Luxembourg
Funding text :
Received by the editors May 1, 2024, and, in revised form, November 4, 2024, and January 15, 2025. 2020 Mathematics Subject Classification. Primary 60G15, 60H07, 60G60, 58K05, 28A75. This research was supported by the Luxembourg National Research Fund (Grant: 021/16236290/HDSA).
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