Zobrazeno 1 - 10
of 151
pro vyhledávání: '"PERSSON Leif"'
A new method for constructing absolutely continuous two--dimensional copulas by differential equations is presented. The copulas are symmetric with respect to reflection in the opposite diagonal. The support of the copula density may be prescribed to
Externí odkaz:
http://arxiv.org/abs/1905.09306
Autor:
Sigray, Peter, Linné, Markus, Andersson, Mathias H., Nöjd, Andreas, Persson, Leif K.G., Gill, Andrew B., Thomsen, Frank
Publikováno v:
In Marine Pollution Bulletin July 2022 180
Autor:
Brännström, Niklas, Persson, Leif Å
We consider a bilevel optimatisation method for inverse linear atmospheric dispersion problems where both linear and non-linear model parameters are to be determined. We propose that a smooth weighted Mahalanobis distance function is used and derive
Externí odkaz:
http://arxiv.org/abs/1607.04804
We show that the lower and upper Frech\'{e}t-Hoeffding copulas, which are singular, can be regularized to absolutely continuous copulas. The method, which is constructive and explicit, states sufficient conditions for when an absolutely continuous co
Externí odkaz:
http://arxiv.org/abs/1603.03693
Autor:
Lejon, Christian, Vågberg, Daniel, Schönfeldt, Fredrik, Liljedahl, Birgitta, Persson, Leif, Burman, Jan, Elfverson, Daniel, Rydman, Joakim Eriksson, Sjöström, Jan, Björnham, Oscar
Publikováno v:
Air Quality, Atmosphere & Health; Oct2024, Vol. 17 Issue 10, p2077-2089, 13p
Autor:
Brännström, Niklas, Persson, Leif Å
Footprint analysis, also known as the study of Influence areas, is a first order method for solving inverse atmospheric dispersion problems. We revisit the concept of footprints giving a rigorous definition of the concept (denoted posterior footprint
Externí odkaz:
http://arxiv.org/abs/1409.5419
Autor:
Brännström, Niklas, Persson, Leif Å
Using measure theoretic arguments, we provide a general framework for describing and studying the general linear inverse dispersion problem where no a priori assumptions on the source function has been made. We investigate the source-sensor relations
Externí odkaz:
http://arxiv.org/abs/1305.6906
Publikováno v:
In Journal of Environmental Radioactivity July 2018 187:1-7
Publikováno v:
In Journal of South American Earth Sciences March 2018 82:207-214
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