User profiles for K. Sneppen
Kim SneppenProfessor at Niels Bohr Institute, Copenhagen University Verified email at nbi.dk Cited by 20180 |
Statistical multifragmentation of nuclei
…, AS Botvina, AS Iljinov, IN Mishustin, K Sneppen - Physics Reports, 1995 - Elsevier
This review is devoted to the Statistical Multifragmentation Model (SMFM) developed in
Copenhagen more than 10 years ago and widely used now for interpreting experimental data on …
Copenhagen more than 10 years ago and widely used now for interpreting experimental data on …
Simplified models of biological networks
… As before, for the feedback to have a chance of working, the parameters should satisfy τ L
·c L >K L and τ R ·c R >K R . This system is bistable when (a) c L ·τ L /K L and c R ·τ R /K R are …
·c L >K L and τ R ·c R >K R . This system is bistable when (a) c L ·τ L /K L and c R ·τ R /K R are …
Specificity and stability in topology of protein networks
… K 0 ,K 1 ) that two proteins with connectivities K 0 andK 1 are connected to each other by a
link and compared it to the same quantityP r (K 0 ,K … of the ratioP(K 0 ,K 1 )/P r (K 0 ,K 1 ) from 1…
link and compared it to the same quantityP r (K 0 ,K … of the ratioP(K 0 ,K 1 )/P r (K 0 ,K 1 ) from 1…
Punctuated equilibrium and criticality in a simple model of evolution
P Bak, K Sneppen - Physical review letters, 1993 - APS
… Following Sneppen and Jensen [10] we then measure the distribution, C(x), of the distance
… The exponent appears to be the same as the one studied in a stringmodel by Sneppen and …
… The exponent appears to be the same as the one studied in a stringmodel by Sneppen and …
Oscillations and temporal signalling in cells
The development of new techniques to quantitatively measure gene expression in cells has
shed light on a number of systems that display oscillations in protein concentration. Here we …
shed light on a number of systems that display oscillations in protein concentration. Here we …
Detection of topological patterns in complex networks: correlation profile of the internet
… P(K 1 |K 0 ) crosses over from K 1 /K 1 γ for K 1 ⪡K 1 ∗ =2E/K 0 to 1/K 1 γ power law tail for K
1 ⪢K 1 ∗ … Such a crossover results in an asymptotic scaling <K 1 > K 0 ∼K 0 γ−3 . We have …
1 ⪢K 1 ∗ … Such a crossover results in an asymptotic scaling <K 1 > K 0 ∼K 0 γ−3 . We have …
[HTML][HTML] Theoretical analysis of epigenetic cell memory by nucleosome modification
Chromosomal regions can adopt stable and heritable alternative states resulting in bistable
gene expression without changes to the DNA sequence. Such epigenetic control is often …
gene expression without changes to the DNA sequence. Such epigenetic control is often …
Statistical simulation of the break-up of highly excited nuclei
We employ a model of multifragmentation of highly excited nuclei based on the statistical
approach and a liquid-drop description of hot fragments. We consider the principal equations of …
approach and a liquid-drop description of hot fragments. We consider the principal equations of …
Evolution as a self-organized critical phenomenon.
K Sneppen, P Bak, H Flyvbjerg… - Proceedings of the …, 1995 - National Acad Sciences
We present a simple mathematical model of biological macroevolution. The model describes
an ecology of adapting, interacting species. The environment of any given species is …
an ecology of adapting, interacting species. The environment of any given species is …
Networks and cities: An information perspective
… In (b) we show number of loops of length 3, 4, that nodes of degree k participate in, normalized
by … 4(a) we show hAk i=hAr k i averaged over all nodes of degree k versus k. hAr k i is the …
by … 4(a) we show hAk i=hAr k i averaged over all nodes of degree k versus k. hAr k i is the …