In this work, we are studying about a special oscillator system, which consists of one spring and a magnet-mass. The system is placed in nonlinear magnetic field, produced by two other permanent magnets, which are oriented for attraction, where can appear different types of oscil...
Open access
Research Article10.9734/BJMCS/2016/20083
In this paper, we investigate the effect of the mean curvature of the boundary ∂Ω on the behavior of the blow-up solutions to the p-Laplacian type quasilinear elliptic equation div(|∇u|p-2∇u) = um|∇u|, p > 1, where the Ω ∈ RN be a boun...
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Research Article10.9734/BJMCS/2016/20768
It is known that the composition of a convex, increasing functional with a subharmonic function is subharmonic. In this paper we show that the composition of a superquadratic functional with a subharmonic function is subharmonic, with a sharper submean inequality. It is further d...
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Research Article10.9734/BJMCS/2016/21851
In the paper, generally,we solve a irregular vector functions inverse Riemann boundary value problem(R-problem). The kernel of our method is to regularize those equations via introducing some diagonal matrices. Then, we get the solution of the problem at the end of the paper.
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Research Article10.9734/BJMCS/2016/20274
A problem of suppressing vibrations of elastic structures through controlling their finitedimensional approximations was addressed in various publications which primarily utilize collocated sensors and actuators. This engineering approach, however, raised concerns that a control...
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Research Article10.9734/BJMCS/2016/20644
This paper is concerned with the blow-up phenomena for a type of parabolic equations with weighted nonlinear source where Ω ⊂ RN (N ≥ 3) is a smooth bounded domain. Through constructing some suitable auxiliary functions and using the rst-order di...
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Research Article10.9734/BJMCS/2016/20736
On the real line equipped with the Euclidean metric every two effective separating sequences which have a common computable point are equivalent. We prove that the same result holds for every linear metric on the real line.
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Research Article10.9734/BJMCS/2016/21852
The bounds on the sum and product of chromatic numbers of a graph and its complement are known as Nordhaus-Gaddum inequalities. In this paper, some variations on this result is studies. First, recall their theorem, which gives bounds on the sum and the product of the chromatic nu...
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Research Article10.9734/BJMCS/2016/20823
Let G be a finite group and δ (G) denote the least n ∈ such that G is isomorphic to a subgroup of the symmetric group Sn. The number δ (G) is called the degree of G. This paper is a note on δ (G) for a nite p-group G with derived subgroup of order p. Our method is based on quas...
Open access
Research Article10.9734/BJMCS/2016/21606