Results 51 to 60 of about 97,711 (239)

Continual decision‐making dynamics across biological organisms

Biological Reviews, EarlyView.
ABSTRACT Decision‐making is a central function of adaptive behaviour in biological agents. However, strategies for adaptive decision‐making can vary substantially across species. Here, we aim to extend the comparative scope of decision‐making analyses to phylogenetically diverse organisms.
Liberty Severs, Qiuran Wang
wiley   +1 more source

Levy flight-improved grey wolf optimizer algorithm-based support vector regression model for dam deformation prediction

Frontiers in Earth Science, 2023
Considering the strong non-linear time-varying behavior of dam deformation, a novel prediction model, called Levy flight-based grey wolf optimizer optimized support vector regression (LGWO-SVR), is proposed to forecast the displacements of hydropower ...
Peng He, Wenjing Wu
doaj   +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

The spread of non‐native species

Biological Reviews, EarlyView.
ABSTRACT The global redistribution of species through human agency is one of the defining ecological signatures of the Anthropocene, with biological invasions reshaping biodiversity patterns, ecosystem processes and services, and species interactions globally.
Phillip J. Haubrock, Ali Serhan Tarkan, Irene Martín‐Forés, Stelios Katsanevakis, Ronaldo Sousa, Ismael Soto, Andy J. Green, Antonín Kouba, Teun Everts, Victoria Dominguez Almela, Nadège Belouard, Cang Hui, Jamie Bojko, Victor Deklerck, Margaux Boeraeve, Franz Essl, J. Robert Britton   +16 more
wiley   +1 more source

Path Planning of Autonomous Mobile Robots Based on an Improved Slime Mould Algorithm

Drones, 2023
Path planning is a crucial component of autonomous mobile robot (AMR) systems. The slime mould algorithm (SMA), as one of the most popular path-planning approaches, shows excellent performance in the AMR field. Despite its advantages, there is still room
Ling Zheng, Yan Tian, Hu Wang, Chengzhi Hong, Bijun Li   +4 more
doaj   +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

Sentience in cephalopod molluscs: an updated assessment

Biological Reviews, EarlyView.
ABSTRACT This article evaluates the evidence for sentience – the capacity to have feelings – in cephalopod molluscs: octopus, cuttlefish, squid, and nautilus. Our framework includes eight criteria, covering both whether the animal's nervous system could support sentience and whether their behaviour indicates sentience.
Alexandra K. Schnell, Heather Browning, Andrew Crump, Charlotte C. Burn, Jonathan Birch   +4 more
wiley   +1 more source

Levy flights from a continuous-time process

, 2000
The Levy-flight dynamics can stem from simple random walks in a system whose operational time (number of steps n) typically grows superlinearly with physical time t.
A. Blumen, A. Ott, A. P. Prudnikov, E. Barkai, E. W. Montroll, F. Oberhettinger, F. Oberhettinger, H. C. Fogedby, H. C. Fogedby, H. C. Fogedby, H. Risken, H. Scher, I. M. Sokolov, I. M. Sokolov, I. M. Sokolov, J. Klafter, J. Klafter, J.-P. Bouchaud, M. Bologna, O. V. Bychuk, O. V. Bychuk, P. Santini, R. Metzler, S. Glarum, S. Jespersen, T. H. Solomon, W. D. Luedtke, W. Feller   +27 more
core   +1 more source

The ageing holobiont: crosstalk between telomere dynamics, oxidative stress and the gut microbiome

Biological Reviews, EarlyView.
ABSTRACT The gut tissue is at the frontline of early onset of ageing. It exhibits high cell turnover rates and rapid telomere shortening, which can have systemic effects on the developing or senescing organism. We conducted a literature review of studies on the crosstalk between telomere length dynamics, telomerase activity, oxidative stress, and gut ...
Michael L. Pepke, Søren B. Hansen, Morten T. Limborg   +2 more
wiley   +1 more source

Improved Black Hole Algorithm Based on Golden Sine Operator and Levy Flight Operator

IEEE Access, 2019
The black hole (BH) algorithm is a new type of natural heuristic algorithm inspired by the movement law of the “black hole” celestial body in the universe.
W. Xie, J. S. Wang, Y. Tao
doaj   +1 more source