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Keywords: differential geometry
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Journal Article
Evan S Gawlik and Michael Neunteufel
IMA Journal of Numerical Analysis, draf004, https://doi.org/10.1093/imanum/draf004
Published: 26 March 2025
... for the evolution of certain geometric quantities under deformations of the metric. Einstein tensor finite element method Regge calculus Israel junction condition differential geometry Austrian Science Fund 10.13039/501100002428 10.55776/F65 National Science Foundation 10.13039/100000001 DMS...
Journal Article
Yifeng Fan and others
Information and Inference: A Journal of the IMA, Volume 10, Issue 3, September 2021, Pages 723–771, https://doi.org/10.1093/imaiai/iaab012
Published: 13 May 2021
... of MFCA by inspecting the spectral properties of a generalized local parallel transport operator through the lens of Wigner -matrices. We demonstrate the efficacy of the proposed algorithm with numerical experiments. representation theory spectral theory differential geometry Wigner matrices cryo...
Journal Article
Svenja Hüning and Johannes Wallner
IMA Journal of Numerical Analysis, Volume 42, Issue 1, January 2022, Pages 698–711, https://doi.org/10.1093/imanum/draa086
Published: 23 December 2020
... not enjoying any special properties like being interpolatory or having non-negative mask. refinement algorithm approximation theory differential geometry Austrian Science Fund 10.13039/501100002428 W1230 Subdivision schemes are iterative refinement algorithms used to produce smooth curves and surfaces...
Journal Article
Robert E. Kass
Journal of the Royal Statistical Society: Series B (Methodological), Volume 46, Issue 1, September 1984, Pages 86–92, https://doi.org/10.1111/j.2517-6161.1984.tb01280.x
Published: 05 December 2018
... regression, for any family of symmetric errors there is only one array and it is a constant multiple of that for the Gaussian family. non-linear models information metric alpha connections differential geometry REFERENCES 1 Amari , S. ( 1982a ) Geometrical theory of asymptotic ancillarity...
Journal Article
Luigi Augugliaro and others
Biometrika, Volume 103, Issue 3, September 2016, Pages 563–577, https://doi.org/10.1093/biomet/asw023
Published: 24 August 2016
... of predictors is fixed. Differential-geometric least angle regression Differential geometry Generalized linear model Group lasso Score statistic Let be a scalar random variable with exponential family probability density function, i.e., , where is the canonical parameter, is the dispersion...
Journal Article
Alexander I. Bobenko and others
Journal of Integrable Systems, Volume 1, Issue 1, January 2016, xyw005, https://doi.org/10.1093/integr/xyw005
Published: 04 August 2016
.... Communicated by: Prof. Alexander Veselov discrete integrable systems discrete differential geometry discrete elliptic coordinates Koenigs nets confocal quadrics Confocal quadrics in belong to the favourite objects of classical mathematics, due to their beautiful geometric properties and numerous...
Journal Article
Shahaf Armon and others
Journal of Experimental Botany, Volume 65, Issue 8, May 2014, Pages 2071–2077, https://doi.org/10.1093/jxb/eru062
Published: 04 April 2014
.... Arabidopsis curvature differential geometry growth leaf shape lobes waviness * To whom correspondence should be addressed. E-mail: [email protected] Shaping via growth of soft tissues is one of the most fascinating processes in nature. It involves biological, chemical, and physical mechanisms...
Journal Article
Luigi Augugliaro and others
Journal of the Royal Statistical Society Series B: Statistical Methodology, Volume 75, Issue 3, June 2013, Pages 471–498, https://doi.org/10.1111/rssb.12000
Published: 22 January 2013
... penalty theory Differential geometry Generalized degrees of freedom Generalized linear models Information geometry Least angle regression Path following algorithm Sparse models Variable selection This paper deals with the problem of how to study the sparse structure of a generalized linear model...
Journal Article
J. M. Selig
IMA Journal of Mathematical Control and Information, Volume 24, Issue 1, March 2007, Pages 95–113, https://doi.org/10.1093/imamci/dnl017
Published: 01 March 2007
... differential equations in some simple cases. However, these simple cases turn out to be highly relevant to robotics and mechanism theory. rigid-body motions; motion interpolation; robotics; differential geometry Received on 21 September 2005. Accepted on 4 April 2006. ...
Journal Article
Paul Marriott
Biometrika, Volume 89, Issue 1, March 2002, Pages 77–93, https://doi.org/10.1093/biomet/89.1.77
Published: 01 March 2002
...; Differential geometry; Measurement error; Mixture model; Prediction; Random effects model; Statistical manifold June 2000. July 2001. ...
Journal Article
FUMIYASU KOMAKI
Biometrika, Volume 83, Issue 2, June 1996, Pages 299–313, https://doi.org/10.1093/biomet/83.2.299
Published: 01 June 1996
... distributions is also obtained. Some key words: Bayes; Differential geometry, Kullback-Leibler divergence; Mean curvature; Second-order asymptotic theory. 1. INTRODUCTION Suppose that we have independent observations xl^N'= {x(l x(N)} from a distri- bution p(x; co...
Journal Article
M. Léger and others
Geophysical Journal International, Volume 121, Issue 1, April 1995, Pages 63–81, https://doi.org/10.1111/j.1365-246X.1995.tb03511.x
Published: 01 April 1995
...M. Léger; J.-M. Morvan; H. Rakotoarisoa differential geometry inversion sedimentary basin structural geology tomography 3-D References Bishop T.N. Bube K.P. Cutler R.T. Langan R.T. Love P.L. Resnick J.R. Shuey R.T. Spindler D.A. Wyld H.W...
Journal Article
Edward W. Bolton
Geophysical Journal International, Volume 115, Issue 3, December 1993, Pages 654–666, https://doi.org/10.1111/j.1365-246X.1993.tb01486.x
Published: 01 December 1993
... handbooks. We show how our notation relates to that of tensor analysis/differential geometry. As the analysis is not restricted to Euclidean geometry, our notation may be extended to Riemannian surfaces, such as spherical surfaces, so long as an orthogonal coordinate system is utilized. We discuss...
Journal Article
PHILIP J. BROWN and SAMUEL D. OMAN
Biometrika, Volume 78, Issue 1, March 1991, Pages 33–43, https://doi.org/10.1093/biomet/78.1.33
Published: 01 March 1991
... interval; Differential geometry; Double point; Estimation; Intrinsic curvature; Multivariate nonlinear calibration; Nonlinear regression. 1. INTRODUCTION In calibration problems one wishes to predict a quantity whose precise measurement £ is difficult or expensive...
Journal Article
MASAYUKI KUMON and SHUN-ICHI AMARI
Biometrika, Volume 71, Issue 3, December 1984, Pages 445–459, https://doi.org/10.1093/biomet/71.3.445
Published: 01 December 1984
... random variable. Furthermore, special versions of these results are given in concise form, and these are then applied to elucidate the efficiency of some examples. Some key words: Asymptotic theory; Bound for asymptotic variance; Differential geometry; Estimating function; Exponential and mixture...
Journal Article
SHUN-ICHI AMARI
Biometrika, Volume 69, Issue 1, April 1982, Pages 1–17, https://doi.org/10.1093/biomet/69.1.1
Published: 01 April 1982
...SHUN-ICHI AMARI © 1982 Biometrika Trust 1982 Abstract Differential geometry is applied to the problems of defining higher-order asymptotic ancillarity and of obtaining the asymptotic conditional distribution of an efficient estimator in multiparameter curved exponential families. It is shown...
Chapter

Nathalie Deruelle and Jean-Philippe Uzan
Published: 30 August 2018
...Relativity in Modern Physics. Nathalie Deruelle and Jean-Philippe Uzan © Oxford University Press 2018. Published in 2018 by Oxford University Press. DOI: 10.1093/oso/9780198786399.001.0001 This chapter presents some elements of differential geometry, the ‘vector’ version...
Chapter
Published: 16 February 2016
...This chapter deals with topological invariants and differential geometry. It first considers a topological space X for which singular homology and cohomology are defined, along with the Euler number e(X). The Euler number, also known as the Euler...
Chapter
Published: 06 May 2012
... present the tasks that are undertaken in each of the subsequent chapters. index theory Cauchy–Riemann geometry differential geometry Deser–Schwimmer conjecture Kähler geometry The aim of the present book is to provide a rigorous proof of a conjecture of Deser and Schwimmer, originally formulated...
Book
Published online: 01 February 2010
Published in print: 02 November 2000
... over the past twenty years. This book presents all the different aspects of the study of anomalies in an accessible and self-contained way. Much emphasis is now being placed on the formulation of the theory using the mathematical ideas of differential geometry and topology. This approach is followed...