475 results on '"Porcu, Emilio"'
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2. Vector-valued Gaussian processes on non-Euclidean product spaces: constructive methods and fast simulations based on partial spectral inversion
3. Positive semidefinite kernels that are axially symmetric on the sphere and stationary in time: spectral and semi-spectral theory, and constructive approaches
4. Multivariate Random Fields Evolving Temporally Over Hyperbolic Spaces
5. Convergence arguments to bridge cauchy and matérn covariance functions
6. Temporally-Evolving Generalised Networks and their Reproducing Kernels
7. Compatibility of Space-Time Kernels with Full, Dynamical, or Compact Support
8. Hybrid Parametric Classes of Isotropic Covariance Functions for Spatial Random Fields
9. The Mat\'ern Model: A Journey through Statistics, Numerical Analysis and Machine Learning
10. Hybrid Parametric Classes of Isotropic Covariance Functions for Spatial Random Fields
11. Sobolev Spaces, Kernels and Discrepancies over Hyperspheres
12. Nonseparable Space-Time Stationary Covariance Functions on Networks cross Time
13. Dimension Walks on Generalized Spaces
14. Rudin Extension Theorems on Product Spaces, Turning Bands, and Random Fields on Balls cross Time
15. Integral representations, extension theorems and walks through dimensions under radial exponential convexity
16. Multivariate Gaussian Random Fields over Generalized Product Spaces involving the Hypertorus
17. Compactly-Supported Isotropic Covariances on Spheres Obtained from Matrix-Valued Covariances in Euclidean Spaces
18. A deep look into the Dagum family of isotropic covariance functions
19. Spectral Simulation of Gaussian Vector Random Fields on the Sphere
20. A catalogue of nonseparable positive semidefinite kernels on the product of two spheres
21. The $\mathcal{F}$-family of covariance functions: A Mat\'ern analogue for modeling random fields on spheres
22. Flexible Validity Conditions for the Multivariate Mat\'ern Covariance in any Spatial Dimension and for any Number of Components
23. Asymptotically Equivalent Prediction in Multivariate Geostatistics
24. Multivariate Kalman filtering for spatio-temporal processes
25. SPACE-TIME ESTIMATION AND PREDICTION UNDER FIXED-DOMAIN ASYMPTOTICS WITH COMPACTLY SUPPORTED COVARIANCE FUNCTIONS
26. Minimax Density Estimation on Sobolev Spaces With Dominating Mixed Smoothness
27. New decouplers of fractal dimension and Hurst effects
28. The Schoenberg kernel and more flexible multivariate covariance models in Euclidean spaces
29. A Riemann-Stein Kernel Method
30. Extending the Gneiting class for modeling spatially isotropic and temporally symmetric vector random fields
31. New Validity Conditions for the Multivariate Matérn Coregionalization Model, with an Application to Exploration Geochemistry
32. Elastodynamic problem on tensor random fields with fractal and Hurst effects
33. Relations between Schoenberg Coefficients on Real and Complex Spheres of Different Dimensions
34. Modeling Daily Seasonality of Mexico City Ozone using Nonseparable Covariance Models on Circles Cross Time
35. Fast and exact simulation of isotropic Gaussian random fields on $\mathbb{S}^{2}$ and $\mathbb{S}^{2}\times \mathbb{R}$
36. Towards a Complete Picture of Stationary Covariance Functions on Spheres Cross Time
37. Schoenberg coefficients and curvature at the origin of continuous isotropic positive definite kernels on spheres
38. Nonparametric Bayesian modelling of longitudinally integrated covariance functions on spheres
39. Unifying compactly supported and Matérn covariance functions in spatial statistics
40. The effect of the COVID-19 pandemic on deceased and living organ donors in the United States of America
41. Modeling Temporally Evolving and Spatially Globally Dependent Data
42. Asymmetric Matrix-Valued Covariances for Multivariate Random Fields on Spheres
43. Positive Definite Functions on Complex Spheres and their Walks through Dimensions
44. Space-Time Geostatistical Models with both Linear and Seasonal Structures in the Temporal Components
45. Schoenberg's theorem for real and complex Hilbert spheres revisited
46. Covariance Functions for Multivariate Gaussian Fields Evolving Temporally over Planet Earth
47. Orthogonal expansions related to compact Gelfand pairs
48. Estimating covariance functions of multivariate skew-Gaussian random fields on the sphere
49. The dimple problem related to space-time modeling under the Lagrangian framework
50. Regularity properties and simulations of Gaussian random fields on the Sphere cross Time
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