Results 71 to 80 of about 98,123 (253)

Primary Sequences of Protein-Like Copolymers: Levy Flight Type Long Range Correlations

, 2001
We consider the statistical properties of primary sequences of two-letter HP copolymers (H for hydrophobic and P for polar) designed to have water soluble globular conformations with H monomers shielded from water inside the shell of P monomers. We show,
A. Irbäck, A. Irbäck, A.R. Khokhlov, A.R. Khokhlov, Alexander L. Borovinsky, Alexander Yu. Grosberg, Alexei R. Khokhlov, E.A. Zheligovskaya, Elena N. Govorun, I. Grosse, J. Virtanen, N.V. Dokholyan, Pavel G. Khalatur, V. Pande, V.A. Ivanov, V.I. Lozinskii, V.S. Pande, Victor A. Ivanov   +17 more
core   +1 more source

Area‐restricted search under realistic constraints

Oikos, EarlyView.
Abstract Area‐restricted search (ARS) is one of the most influential and widely used concepts in foraging theory, capturing a simple rule by which animals intensify local search following a resource encounter. Because ARS performs well in many spatially structured environments, it serves as a basic model for interpreting movement patterns across taxa ...
Inon Scharf, Arik Dorfman
wiley   +1 more source

Levy statistical fluctuations from a Random Amplifying Medium

, 2005
We report the studies of emission from a novel random amplifying medium that we term a ``Levy Laser'' due to the non-Gaussian statistical nature of its emission over the ensemble of random realizations.
Kumar, N., Ramachandran, Hema, Sharma, Divya   +2 more
core   +2 more sources

A generalized spin model of financial markets [PDF]

, 1998
We reformulate the Cont-Bouchaud model of financial markets in terms of classical "super-spins" where the spin value is a measure of the number of individual traders represented by a portfolio manager of an investment agency.
D. Chowdhury A, D. Stauffer B, Società Italiana Di Fisica   +2 more
core   +3 more sources

Exploring consumer preferences for wild meat and other animal proteins in Gamba, Gabon: Implications for conservation and management of natural resources alongside extractive industry

People and Nature, EarlyView.
Abstract The town of Gamba in southwest Gabon represents an exceptional example of how the development of an extractive industry (in this case oil production) may impact wild meat consumption in an area of global importance for biodiversity. Studies in the 1990s identified an active wild meat trade; however, no studies have been undertaken since, and ...
James McNamara, Landry Tchignoumba, Gabriel Koumba, Ghislain Guissouegou, Anna Feistner   +4 more
wiley   +1 more source

Path Planning of Unmanned Aerial Vehicles Based on an Improved Bio-Inspired Tuna Swarm Optimization Algorithm

Biomimetics
The Sine–Levy tuna swarm optimization (SLTSO) algorithm is a novel method based on the sine strategy and Levy flight guidance. It is presented as a solution to the shortcomings of the tuna swarm optimization (TSO) algorithm, which include its tendency to
Qinyong Wang, Minghai Xu, Zhongyi Hu
doaj   +1 more source

Examining the multi‐disciplinary origins of biophobia towards threatening and non‐threatening wildlife in a highly urbanised city in China

People and Nature, EarlyView.
Abstract Urbanisation is reshaping how people experience wildlife, reducing our shared spaces with local biodiversity. Fewer opportunities for human–wildlife interactions weaken our emotional attachments to nature and precipitate a loss of species knowledge and familiarity.
Sam S. S. Lau, Jason W. L. Fong, Andras N. Zsido, Matthew H. E. M. Browning   +3 more
wiley   +1 more source

Does strange kinetics imply unusual thermodynamics?

, 2000
We introduce a fractional Fokker-Planck equation (FFPE) for Levy flights in the presence of an external field. The equation is derived within the framework of the subordination of random processes which leads to Levy flights.
A. Blumen, A. Blumen, A.P. Prudnikov, B.B. Mandelbrot, C. Tsallis, E. Barkai, G.M. Zaslavsky, H. Risken, H.C. Fogedby, H.C. Fogedby, H.G.E. Hentschel, I. M. Sokolov, I.M. Sokolov, J. Klafter, J. Klafter, J. Klafter, J.-P. Bouchaud, M.F. Shlesinger, R. Metzler, R. Metzler, V.V. Uchaikin, W. Feller   +21 more
core   +1 more source

Abattoir antemortem inspection protocol: Observation of unloading improves detection of transport welfare compromises in livestock

Veterinary Record, EarlyView.
Abstract Background Ensuring livestock welfare throughout the production chain, including transport, is an ethical and regulatory imperative. However, protocols to assess transport‐related welfare during routine abattoir inspections are not standardised, including antemortem (AM) inspection by an official veterinarian at UK abattoirs.
Sayaka Mochizuki, Declan Arden, Kurt Arden   +2 more
wiley   +1 more source

Assessing physiological, behavioral and movement responses to Suprelorin implant delivery methods in free‐ranging eastern grey kangaroos Macropus giganteus

Wildlife Biology, EarlyView.
Overabundant populations of eastern grey kangaroos Macropus giganteus in peri‐urban areas pose ecological and social challenges. Current management strategies are often hindered by animal welfare and logistical concerns. This study aimed to assess stress responses of kangaroos to two contraceptive delivery methods.
Fabiola R. O. Silva, Sebastien Comte, Tamara Keeley, Maquel Brandimarti, Catherine A. Herbert   +4 more
wiley   +1 more source