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Träfflista för sökning "LAR1:cth ;lar1:(gu);lar1:(cth);pers:(Häggström Olle 1967)"

Search: LAR1:cth > University of Gothenburg > Chalmers University of Technology > Häggström Olle 1967

  • Result 1-10 of 146
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2.
  • Andersson, Jenny, 1976, et al. (author)
  • The Volume Fraction of a Non-overlapping Germ-grain Model
  • 2006
  • In: Electronic Communications in Probability. - 1083-589X. ; 11, s. 78-88
  • Journal article (peer-reviewed)abstract
    • We discuss the volume fraction of a model of non--overlapping convex grains. It is obtained from thinning a Poisson process where each point has a weight and is the centre of a grain, by removing any grain that is overlapped by one of larger or equal weight. In the limit as the intensity of the Poisson process tends to infinity, the model can be identified with the intact grains in the dead leaves model if the weights are independent of the grain sizes. In this case we can show that the volume fraction is at most $1/2^d$ for $d=1$ or $2$ if the shape is fixed, but the size and the orientation are random. The upper bound is achieved for centrally symmetric sets of the same size and orientation. For general $d$ we can show the upper bound, $1/2^d$, for spherical grains with two--point radius distribution. If dependence between weight and size is allowed, it is possible to achieve a volume fraction arbitrarily close to one.
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3.
  • Arrhenius, Gustaf, et al. (author)
  • Bevare oss för det brittiska utvärderingseländet
  • 2012
  • In: Universitetsläraren. - 0282-4973. ; 2012:18 dec
  • Journal article (other academic/artistic)abstract
    • SVENSKA universitetsledningar tenderar numera att prioritera lärosätets intäkter högre än allt annat, inklusive klassiska akademiska ideal som bildning och fri forskning. Därför fruktar vi att ett genomförande av Jan Björklunds planer kommer att leda till samma slags vansinne i Sverige som vi nu ser i Storbritannien.
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4.
  • Axelson-Fisk, Marina, 1972, et al. (author)
  • Biased random walk in a one-dimensional percolation model
  • 2009
  • In: Stochastic processes and their Applications. - : Elsevier BV. - 0304-4149. ; 119:10, s. 3395-3415
  • Journal article (peer-reviewed)abstract
    • We consider random walk with a nonzero bias to the right, on the infinite cluster in the following percolation model: take i.i.d.\ bond percolation with retention parameter $p$ on the so-called infinite ladder, and condition on the event of having a bi-infinite path from $-\infty$ to $\infty$. The random walk is shown to be transient, and to have an asymptotic speed to the right which strictly positive or zero depending on whether the bias is below or above a certain critical value which we compute explicitly.
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5.
  • Axelson-Fisk, Marina, 1972, et al. (author)
  • Conditional percolation on one-dimensional lattices
  • 2009
  • In: Advances in Applied Probability. - : Cambridge University Press (CUP). - 0001-8678 .- 1475-6064. ; 41:4, s. 3395-3415
  • Journal article (peer-reviewed)abstract
    • Conditioning i.i.d.\ bond percolation with retention parameter $p$ on a one-dimensional periodic lattice on the event of having a bi-infinite path from $-\infty$ to $\infty$ is shown to make sense, and the resulting model exhibits a Markovian structure that facilitates its analysis. Stochastic monotonicity in $p$ turns out to fail in general for this model, but a weaker monotonicity property does hold: the average edge density is increasing in $p$.
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10.
  • Broman, Erik, 1977, et al. (author)
  • Refinements of Stochastic Domination
  • 2006
  • In: Probability theory and related fields. - : Springer Science and Business Media LLC. - 0178-8051 .- 1432-2064. ; 136:4, s. 587-603
  • Journal article (peer-reviewed)abstract
    • In a recent paper by two of the authors, the concepts of upwards and downwards epsilon-movability were introduced, mainly as a technical tool for studying dynamical percolation of interacting particle systems. In this paper, we further explore these concepts which can be seen as refinements or quantifications of stochastic domination, and we relate them to previously studied concepts such as uniform insertion tolerance and extractability.
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  • Result 1-10 of 146
Type of publication
journal article (83)
other publication (41)
review (6)
book chapter (5)
book (4)
conference paper (4)
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editorial collection (1)
doctoral thesis (1)
licentiate thesis (1)
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Type of content
other academic/artistic (105)
peer-reviewed (41)
Author/Editor
Häggström, Olle,... (146)Undo refine
Deijfen, Maria (8)
Dubhashi, Devdatt, 1 ... (5)
Deijfen, Maria, 1975 ... (4)
Steif, Jeffrey, 1960 (4)
Jonasson, Johan, 196 ... (4)
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Mossel, Elchanan (4)
van den Berg, J (2)
Kahn, J (2)
Johansson, Daniel, 1 ... (2)
Andersson, Jenny, 19 ... (2)
Månsson, Marianne, 1 ... (2)
Strannegård, Claes, ... (2)
Eriksson, Kimmo (2)
Axelson-Fisk, Marina ... (2)
Johansson, Morgan (2)
Holst, Sören (2)
Benjamini, Itai (2)
Peres, Yuval (2)
Sturmark, Christer (2)
Bagley, Jonathan (2)
Goksör, Mattias, 197 ... (1)
Marklund, Mattias, 1 ... (1)
Rosen, Arne, 1939 (1)
Lundström, Ingemar (1)
Wessberg, Johan, 196 ... (1)
Eklund, Klas (1)
Cederwall, Martin, 1 ... (1)
Broman, Erik, 1977 (1)
Forssell-Aronsson, E ... (1)
Rummukainen, Markku (1)
Sandelius, Anna Stin ... (1)
Turova, Tatyana (1)
Arrhenius, Gustaf (1)
Holroyd, A. E. (1)
Wästlund, Johan, 197 ... (1)
Balkenius, Christian (1)
Dannefjord, Per (1)
Pendrill, Ann-Marie, ... (1)
Berggren, Karl-Fredr ... (1)
ONeill, Brian (1)
Bjursell, Gunnar, 19 ... (1)
Rothstein, Bo, 1954 (1)
Fredriksson, Billy (1)
Mårtensson, Ann-Sofi ... (1)
Wennberg, Ann-Marie, ... (1)
Bjereld, Ulf, 1957 (1)
Forsne, Chris (1)
Verendel, Vilhelm, 1 ... (1)
Engström, Fredrik, 1 ... (1)
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University
University of Gothenburg  (146)Undo refine
Chalmers University of Technology  (146)Undo refine
Stockholm University (2)
Lund University (2)
Mälardalen University (1)
Linköping University (1)
Language
English (100)
Swedish (46)
Research subject (UKÄ/SCB)
Natural sciences (124)
Humanities (22)
Social Sciences (21)
Engineering and Technology (3)
Medical and Health Sciences (1)

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