Abstract Scale-free percolation is a stochastic model for complex networks. In this spatial random graph model, vertices $x,y\in\mathbb{Z}^d$ are linked by an edge with probability depending on independent and identically distributed vertex weights the Euclidean distance $|x-y|$ . Depending various parameters involved, we get rich phase diagram. We study compare it to of vertices. Our main atte...

The effects of root exudate (RE) treatment on nodule occupancy by Bradyrhizobium japonicum were investigated by a rapid colored-nodule assay, which is based on the observation that B. japonicum L-110 and its antibiotically marked derivatives form dark-red nodules on certain soybean (Glycine max) cultivars, whereas other strains form beige nodules. The efficacy of the assay was confirmed by dire...

Cultures of Entamoeba histolytica were subjected to pure gamma radiation from a cobalt-60 source. No effect upon population growth was noticed following dosages below 100,000 RAD. A noticeable increase in lag phase was observed following exposure to about 100,000 RAD. A dose of more than 195,300 RAD resulted in death as indicated by failure of cultures to grow. The relation between increasing l...

We revisit lower bounds on the regret in the case of multi-armed bandit problems. We obtain nonasymptotic bounds and provide straightforward proofs based only on well-known properties of Kullback-Leibler divergences. These bounds show that in an initial phase the regret grows almost linearly, and that the well-known logarithmic growth of the regret only holds in a final phase. The proof techniq...

We study the critical properties in cubic systems of antiferromagnetically coupled spin dimers near magnetic-field-induced quantum phase transitions. The quantum critical points in the zero-temperature phase diagram are determined from quantum Monte Carlo simulations. Furthermore, scaling properties of the uniform magnetization and the staggered transverse magnetization across the quantum phase...

Phase transitions of reaction-diffusion systems with site occupation restriction and with particle creation that requires n=3,4 parents, whereas explicit diffusion of single particles (A) is present are investigated in low dimensions by the mean-field approximation and simulations. The mean-field approximation of general nA-->(n+k)A, mA-->(m-l)A type of lattice models is solved and a different ...