Two stochastic population models, a birth-and-death model and a stochastic difference equation model, are compared, using data for a giant-Canada-goose population. The quasistationary probability distribution predicted by the stochastic...

In this paper we study the existence of periodic solutions for differential inclusions. We prove existence theorems under various sets of hypotheses for both the nonconvex and convex problems. Also we show the existence of extreme solut...

In Ghd Straightener Repairs Uk the work, Ghd Salon Styler Uk based on the formulas of discrete mechanics in a rotating frame, a discretization of classical Hill's equations of the moon motion is worked out. It is proved that the propose...

Let GB(n,d)GB(n,d) be the set of bipartite graphs with order n   and diameter d  . This paper characterizes the extremal graph with the maximal spectral radius in GB(n,d)GB(n,d). Furthermore, the maximal spectral radius is a d...

The paper deals with the expected number of trials in the birthday problem. Two possible models are studied, corresponding to different methods of computer simulation. The problem of finding moments of the random variable, called waitin...

A one-pot deamination of a wide variety of substituted anilines is described. The process involves a diazotization-dediazotization utilizing acetic acid, sodium nitrite, and sodium bisulfite- inexpensive, ‘green’ reagents. The proce...

New solutions for shear-free gravitational collapse with heat flow are generated from known solutions for bounded spherical perfect fluids. The known solutions can be either static or in shear-free collapse. The new interiors are matche...

Air Products and Chemicals Inc has signed a long-term hydrogen supply agreement with Petroplus Refining Cressier SA to build, own and operate a 7 million standard-cubic-feet-per-day hydrogen facility for Petroplus’s Cressier, Switzerl...

We prove an upper bound for the spectral radius of the Hadamard product of nonnegative matrices and a lower bound for the minimum eigenvalue of the Fan product of M-matrices. These improve two existing results. During the annual planni...

A microwave cavity spectrometer of the Stark-dc-voltage sweep type with a fixed resonance frequency in the X-band region is described. The spectrometer was applied to the study of the Zeeman effect in molecules as well as to pollutant m...

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