Search Results - "Seigal, Anna"

Sex Differences in Autism Spectrum Disorder: Evidence from a Large Sample of Children and Adolescents by Mandy, William, Chilvers, Rebecca, Chowdhury, Uttom, Salter, Gemma, Seigal, Anna, Skuse, David

“…Sex differences have been found amongst toddlers and young children with autism spectrum disorder (ASD). We investigated the presence and stability of these…”
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Principal Components Along Quiver Representations by Seigal, Anna, Harrington, Heather A., Nanda, Vidit

“…Quiver representations arise naturally in many areas across mathematics. Here we describe an algorithm for calculating the vector space of sections, or…”
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Long-Term Effects of Nonsteroidal Anti-Inflammatory Drugs and Cyclooxygenase-2 Selective Agents on the Small Bowel: A Cross-Sectional Capsule Enteroscopy Study by Maiden, Laurence, Thjodleifsson, Bjarni, Seigal, Anna, Bjarnason, Ingvar Iain, Scott, David, Birgisson, Sigurbjorn, Bjarnason, Ingvar

“…Background & Aims: Nonsteroidal anti-inflammatory drug (NSAID) gastropathy is sufficiently important as to warrant co-administration of misoprostol or proton…”
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Lower bounds on the rank and symmetric rank of real tensors by Wang, Kexin, Seigal, Anna

“…We lower bound the rank of a tensor by a linear combination of the ranks of three of its unfoldings, using Sylvester's rank inequality. In a similar way, we…”
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Real rank two geometry by Seigal, Anna, Sturmfels, Bernd

“…The real rank two locus of an algebraic variety is the closure of the union of all secant lines spanned by real points. We seek a semi-algebraic description of…”
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Rectifiable paths with polynomial log‐signature are straight lines by Friz, Peter K., Lyons, Terry, Seigal, Anna

“…The signature of a rectifiable path is a tensor series in the tensor algebra whose coefficients are definite iterated integrals of the path. The signature…”
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Singular vectors of orthogonally decomposable tensors by Robeva, Elina, Seigal, Anna

“…Orthogonal decomposition of tensors is a generalization of the singular value decomposition of matrices. In this paper, we study the spectral theory of…”
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Symmetries in directed Gaussian graphical models by Makam, Visu, Reichenbach, Philipp, Seigal, Anna

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Does Antibiotic Resistance Evolve in Hospitals? by Seigal, Anna, Mira, Portia, Sturmfels, Bernd, Barlow, Miriam

“…Nosocomial outbreaks of bacteria are well documented. Based on these incidents, and the heavy usage of antibiotics in hospitals, it has been assumed that…”
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Local dynamics of intersections: V. I. Arnold’s theorem revisited by Seigal, Anna Leah, Yakovenko, Sergei

“…V. I. Arnold proved in 1993 that the intersection multiplicity between two germs of analytic subvarieties at a fixed point of a holomorphic invertible self-map…”
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Tensor clustering with algebraic constraints gives interpretable groups of crosstalk mechanisms in breast cancer by Seigal, Anna, Beguerisse-Díaz, Mariano, Schoeberl, Birgit, Niepel, Mario, Harrington, Heather A

“…We introduce a tensor-based clustering method to extract sparse, low-dimensional structure from high-dimensional, multi-indexed datasets. This framework is…”
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Identifiability of overcomplete independent component analysis by Wang, Kexin, Seigal, Anna

“…Independent component analysis (ICA) studies mixtures of independent latent sources. An ICA model is identifiable if the mixing can be recovered uniquely. It…”
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Lower bounds on the rank and symmetric rank of real tensors by Wang, Kexin, Seigal, Anna

“…We lower bound the rank of a tensor by a linear combination of the ranks of three of its unfoldings, using Sylvester's rank inequality. In a similar way, we…”
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Structured Tensors and the Geometry of Data by Seigal, Anna Leah

“…We analyze data to build a quantitative understanding of the world. Linear algebra is the foundation to algorithms, dating back one hundred years, for…”
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Can autistic children read the mind of an animated triangle? by Salter, Gemma, Seigal, Anna, Claxton, Melanie, Lawrence, Kate, Skuse, David

“…Are children with an autism spectrum disorder (ASD), but normal-range intelligence, impaired on theory of mind skills measured by responses to abstract…”
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The Maximum Likelihood Degree Of Linear Spaces Of Symmetric Matrices by Amendola, Carlos, Gustafsson, Lukas, Kohn, Kathlén, Marigliano, Orlando, Seigal, Anna

“…We study multivariate Gaussian models that are described by linear conditions on the concentration matrix. We compute the maximum likelihood (ML) degrees of…”
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A Real Generalized Trisecant Trichotomy by Ranestad, Kristian, Seigal, Anna, Wang, Kexin

“…The classical trisecant lemma says that a general chord of a non-degenerate space curve is not a trisecant; that is, the chord only meets the curve in two…”
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Linear causal disentanglement via higher-order cumulants by Carreno, Paula Leyes, Meroni, Chiara, Seigal, Anna

“…Linear causal disentanglement is a recent method in causal representation learning to describe a collection of observed variables via latent variables with…”
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Contrastive independent component analysis by Wang, Kexin, Maraj, Aida, Seigal, Anna

“…Visualizing data and finding patterns in data are ubiquitous problems in the sciences. Increasingly, applications seek signal and structure in a contrastive…”
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Ranks and Symmetric Ranks of Cubic Surfaces by Seigal, Anna

“…We study cubic surfaces as symmetric tensors of format $4 \times 4 \times 4$. We consider the non-symmetric tensor rank and the symmetric Waring rank of cubic…”
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