نتایج جستجو برای: differential inequalities

تعداد نتایج: 329014  

2010
Ravi P. Agarwal Shusen Ding Jozsef Szabados

The L-theory of solutions of the homogeneous A-harmonic equation d A x, dω 0 for differential forms has been very well developed in recent years. Many L-norm estimates and inequalities, including the Hardy-Littlewood inequalities, Poincaré inequalities, Caccioppoli-type estimates, and Sobolev imbedding inequalities, for solutions of the homogeneous A-harmonic equation have been established; see...

Journal: :bulletin of the iranian mathematical society 0
á. barciz department of economics‎, ‎babes-bolyai university‎, ‎400591 cluj-napoca‎, ‎romania and ‎institute of applied mathematics‎, ‎'obuda university‎, ‎1034 budapest‎, ‎hungary. s. kant department of mathematics‎, ‎government dungar college‎, ‎334001 bikaner‎, ‎india. j‎. ‎k‎. ‎ prajapat department of mathematics‎, ‎central university of rajasthan‎, ‎305817 kishangarh‎, ‎rajasthan‎, ‎india.

an operator associated with the wright function is introduced in the open unit disk. differential subordination and superordination results associated with this operator are obtained by investigating appropriate classes of admissible functions. in particular, some inequalities for modified bessel functions are also obtained.

Journal: :Journal of Mathematical Analysis and Applications 1968

Journal: :Annales Polonici Mathematici 1965

Journal: :Journal of Mathematical Analysis and Applications 1975

Journal: :Proceedings of the American Mathematical Society 1964

2010
Zixin Liu Shu Lü Shouming Zhong Mao Ye

In this paper, some new nonlinear generalized Gronwall-Bellman-Type integral inequalities with mixed time delays are established. These inequalities can be used as handy tools to research stability problems of delayed differential and integral dynamic systems. As applications, based on these new established inequalities, some p-stable results of a integro-differential equation are also given. T...

2009
Angela Gallo Anna Maria Piccirillo Juan J. Nieto

We present some new nonlinear integral inequalities Bellman-Bihari type with delay for discontinuous functions integro-sum inequalities; impulse integral inequalities . Some applications of the results are included: conditions of boundedness uniformly , stability by Lyapunov uniformly , practical stability by Chetaev uniformly for the solutions of impulsive differential and integrodifferential ...

2006
Danuta Jaruszewska-Walczak

The paper deals with systems of hyperbolic differential-functional inequalities related to initial problem on the generalized Haar pyramid for equations ∂tzλ(t, x) = fλ(t, x, z, ∂xzλ(t, x)), λ ∈ Λ, where (t, x) = (t, x1, . . . , xn), z = {zλ}λ∈Λ and Λ is a compact set of indices. A theorem on strong differential-functional inequalities is the main result of the paper. Extremal solutions of init...

Journal: :Appl. Math. Lett. 2002
Juan J. Nieto

The theory of differential inequalities plays a central role in the qualitative and quantitative study of differential equations. In this paper, we present several comparison results for a class of functional differential equations of first order with periodic boundary value conditions. The inequalities obtained are, generally speaking, of the following type: Pv 5 0 implies that v 5 0, where P ...

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