Výsledky vyhledávání - "Johannes Huisman"

Akademický článek

Immediate ecotoxicological effects of short-lived oil spills on marine biota

Autor: Corina P. D. Brussaard, Louis Peperzak, Siham Beggah, Lukas Y. Wick, Birgit Wuerz, Jan Weber, J. Samuel Arey, Bart van der Burg, Arjen Jonas, Johannes Huisman, Jan Roelof van der Meer

Publikováno v: Nature Communications, Vol 7, Iss 1, Pp 1-11 (2016)

Large oil spills have negative effects on marine ecosystems, but the effects of chronic smallscale spills are less well understood. Here, Brussaard et al. detect high bioavailability and toxicity of small-scale crude oil spills within 24 hours after

Externí odkaz: https://doaj.org/article/7dbd24237bba4df38de0e31e20dfda7d

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Convolutional block codes with cryptographic properties over the semi-direct product $${\mathbb {Z}}/N{\mathbb {Z}} \rtimes {\mathbb {Z}}/M{\mathbb {Z}}$$ Z / N Z ⋊ Z / M Z

Autor: Roland Gautier, Marion Candau, Johannes Huisman

Publikováno v: Designs, Codes and Cryptography. 80:395-407

Classic convolutional codes are defined as the convolution of a message and a transfer function over $$\mathbb {Z}$$Z. In this paper, we study time-varying convolutional codes over a finite group G of the form $${\mathbb {Z}}/N{\mathbb {Z}} \rtimes {

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a0d0ba59d3982f3976bb3ce22cf2aa5b
https://doi.org/10.1007/s10623-015-0101-7

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First day of an oil spill on the open sea: Early mass transfers of hydrocarbons to air and water

Autor: Corina P. D. Brussaard, Christopher M. Reddy, Johannes Huisman, Jan Roelof van der Meer, Deedar Nabi, Lukas Y. Wick, Birgit Würz, Jonas Gros, J. Samuel Arey

Publikováno v: Environmental Science and Technology, 48(16), 9400-9411. American Chemical Society

During the first hours after release of petroleum at sea, crude oil hydrocarbons partition rapidly into air and water. However, limited information is available about very early evaporation and dissolution processes. We report on the composition of t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c4c64292278ed89dc40e0cc03e225559
https://hdl.handle.net/11245/1.436072

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Pencils on real curves

Autor: Johannes Huisman, Marc Coppens

Publikováno v: Mathematische Nachrichten. 286:799-816

We consider coverings of real algebraic curves to real rational algebraic curves. We show the existence of such coverings having prescribed topological degree on the real locus. From those existence results we prove some results on Brill-Noether Theo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fb21a99b63d238fd5e72c493ab3ba39c
https://doi.org/10.1002/mana.201100196

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Fonctions Régulues

Autor: Goulwen Fichou, Johannes Huisman, Frédéric Mangolte, Jean-Philippe Monnier

Publikováno v: Journal für die reine und angewandte Mathematik
Journal für die reine und angewandte Mathematik, Walter de Gruyter, 2016, 718 (718), pp.103-151. ⟨10.1515/crelle-2014-0034⟩
Journal für die reine und angewandte Mathematik, Walter de Gruyter, 2016, 718, pp.103-151. 〈10.1515/crelle-2014-0034〉
Journal für die reine und angewandte Mathematik, 2016, 718 (718), pp.103-151. ⟨10.1515/crelle-2014-0034⟩
Journal für die reine und angewandte Mathematik, Walter de Gruyter, 2016, 718, pp.103-151. ⟨10.1515/crelle-2014-0034⟩

We study the ring of rational functions admitting a continuous extension to the real affine space. We establish several properties of this ring. In particular, we prove a strong Nullstelensatz. We study the scheme theoretic properties and prove regul

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d292d0a29799c6fba0ad39d3854237d8
https://hal.archives-ouvertes.fr/hal-00652828

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Automorphisms of real rational surfaces and weighted blow-up singularities

Autor: Frédéric Mangolte, Johannes Huisman

Publikováno v: manuscripta mathematica. 132:1-17

Let X be a singular real rational surface obtained from a smooth real rational surface by performing weighted blow-ups. Denote by Aut(X) the group of algebraic automorphisms of X into itself. Let n be a natural integer and let e = [e1, . . . , el] be

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0c97e057afbc2d057ccc39e56a5e38ab
https://doi.org/10.1007/s00229-010-0330-z

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The moduli space of anisotropic Gaussian curves

Autor: Michele Lattarulo, Johannes Huisman

Publikováno v: Indiana University Mathematics Journal. 58:2409-2432

Let X be a real hyperelliptic curve. Its opposite curve X is the curve obtained from X by twisting the real structure on X by the hyperelliptic involution. The curve X is said to be Gaussian if X is isomorphic to X. In an earlier paper, we have studi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::04a5e597d11c4106f3e3db154fe7668d
https://doi.org/10.1512/iumj.2009.58.3577

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Principal bundles over a smooth real projective curve of genus zero

Autor: Indranil Biswas, Johannes Huisman

Publikováno v: advg. 8:451-472

Let H 0 denote the kernel of the endomorphism, defined by , of the real algebraic group given by the Weil restriction of . Let X be a nondegenerate anisotropic conic in . The principal -bundle over the complexification defined by the ample generator

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::96dafcab1f81bcd0f9d252fedfb36002
https://doi.org/10.1515/advgeom.2008.029

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Anisotropic real curves and bordered line arrangements

Autor: Johannes Huisman, Michele Lattarulo

Publikováno v: Pacific Journal of Mathematics. 229:365-379

Let X be a smooth projective real algebraic curve of genus g greater than 1. The canonical divisor on X defines a morphism k : X→Pg−1 from X into real projective space Pg−1. The image k(X) of k is isomorphic either to X , or to the real project

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::43aede5dfea5b267616ff508b56a461d
https://doi.org/10.2140/pjm.2007.229.365

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[Untitled]

Autor: Goulwen Fichou, Johannes Huisman

Publikováno v: Mathematische Nachrichten. :126-131

A pseudo–line of a real plane curve is a real branch that is not homologically trivial in ℙ2(ℝ). A real plane curve C of degree d is said to have many pseudo–lines if it has exactly d – 2 pseudo–lines and if the genus of its normalization

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::36293b29322b5d77f64e27702b46f812
https://doi.org/10.1002/mana.200310057

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