Search Results - "Santarsiero, Pierpaola"
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Publisher Correction to: An algorithm for the non-identifiability of rank-3 tensors
Published in Bollettino della Unione matematica italiana (2008) (2023)Get full text
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An algorithm for the non-identifiability of rank-3 tensors
Published in Bollettino della Unione matematica italiana (2008) (01-09-2023)“…We present an algorithm aimed to recognize if a given tensor is a non-identifiable rank-3 tensor…”
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Identifiability of Rank-3 Tensors
Published in Mediterranean journal of mathematics (01-08-2021)“…Rank-2 and rank-3 tensors are almost all identifiable with only few exceptions.We classify them all together with the dimensions and the structures of all the…”
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Decomposing tensor spaces via path signatures
Published in Journal of pure and applied algebra (01-01-2025)“…The signature of a path is a sequence of tensors whose entries are iterated integrals, playing a key role in stochastic analysis and applications. The set of…”
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An algorithm for the non-identifiability of rank-3 tensors
Published 11-11-2022“…We present an algorithm aimed to recognize if a given tensor is a non-identifiable rank-3 tensor…”
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Rank and symmetries of signature tensors
Published 29-07-2024“…The signature of a path is a sequence of tensors which allows to uniquely reconstruct the path. In this paper we propose a systematic study of basic properties…”
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Degree of the subspace variety
Published 19-02-2024“…Subspace varieties are algebraic varieties whose elements are tensors with bounded multilinear rank. In this paper, we compute their degrees by computing their…”
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The symmetric geometric rank of symmetric tensors
Published 30-03-2023“…Inspired by recent work of Kopparty-Moshkovitz-Zuiddam and motivated by problems in combinatorics and hypergraphs, we introduce the notion of the symmetric…”
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Decomposition loci of tensors
Published 25-07-2024“…The decomposition locus of a tensor is the set of rank-one tensors appearing in a minimal tensor-rank decomposition of the tensor. For tensors lying on the…”
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Geometry of first nonempty Terracini loci
Published 15-11-2023“…After a few results on curves, we characterize the smallest nonempty Terracini loci of Veronese and Segre-Veronese varieties. For del Pezzo surfaces, we give a…”
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Average degree of the essential variety
Published 10-11-2023“…La Matematica, 3 753-776 (2024) The essential variety is an algebraic subvariety of dimension $5$ in real projective space $\mathbb R\mathrm P^{8}$ which…”
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Terracini locus for three points on a Segre variety
Published 01-12-2020“…We introduce the notion of r-th Terracini locus of a variety and we compute it for at most three points on a Segre variety…”
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Decomposing Tensor Spaces via Path Signatures
Published 22-08-2023“…The signature of a path is a sequence of tensors whose entries are iterated integrals, playing a key role in stochastic analysis and applications. The set of…”
Get full text
Journal Article -
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Identifiability of rank-3 tensors
Published 28-01-2020“…Rank-2 and rank-3 tensors are almost all identifiable with only few exceptions. We classify them all together with the dimensions and the structures of all the…”
Get full text
Journal Article