necessary and sufficient existence condition
A necessary and sufficient condition for global existence for a quasilinear reaction diffusion system
... the existence of global solutions in general depends on more than just the values of the exponents p and ...the existence of a global solution is also independent of the di ff usion term, although the di ff ...
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Group Analysis and Variational Principle for Nonlinear (3+1) Schrodinger Equation
... part of one parameter symmetry groups of these equations tur ns out to be their var iational symmetries. According to Noether theorem [5, 6] such as invariance of the elementary action is a necessary and ...
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Necessary and sufficient condition for the smoothness of intersection local time of subfractional Brownian motions
... tion 2, we recall some facts for the chaos expansion. In Section 3, we study the existence of the intersection local time. In Section 4, we show that the intersection local time is smooth in the sense of the ...
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A necessary and sufficient condition for uniqueness of the trivial solution in semilinear parabolic equations
... local existence property holds, and another in [12] to establish instantaneous blow-up for singular initial data even when all solutions of the corresponding ODE exist globally in ...
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On dynamical systems
... We express the quotient space in terms of a non-transitive subshift of finite type, give a necessary and sufficient condition for the existence of a local product structure and evaluate [r] ...
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An Iterative Method for Solving the Matrix Equation X-A^{*}XA-B^{*}X^{-1}B=I
... Eq. (1) has been introduced by Ali in [1], where an iterative method for computation a positive definite solution is proposed. A necessary and sufficient condition for the existence of a ...
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When can we do better than autarky?
... a necessary and sufficient condition for the existence of nonautarkic contracts in a model where two risk-averse agents face stochastic income and cannot ...This condition is easy to ...
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Necessary and sufficient condition for existence of periodic solutions of predator prey dynamic systems with Beddington DeAngelis type functional response
... the existence of periodic solutions of population models modeled by ordinary differential equations and their dis- crete analogues in the form of difference equations and extension of these results to more general ...
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Dynamical Behavior and Bifurcation Analysis of SEIR Epidemic Model and its Discretization
... A necessary and sufficient condition for existence of the solution of the SEIR epidemic model are obtained, and we also investigated the local stability of the fixed point of the epidemic ...
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Essential Data, Budget Sets and Rationalization
... the necessary and sufficient condition for the existence of a utility function rationalizing the experiment, namely, the cyclical consistency of the associated feasibility matrix, is ...
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Sufficient and necessary conditions on the existence of stationary distribution and extinction for stochastic generalized logistic system
... That is, system () still becomes extinct with zero exponential extinction rate. To prove Theorem ., let us present three lemmas which are essential to the proof. Lemma . [] Suppose that an n-dimensional stochastic ...
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Necessary and sufficient condition for the existence of positive solution to singular fractional differential equations
... Singular differential equation boundary value problems (BVP for short) arise from many branches of applied mathematics and physics. The theory of singular boundary value problems has become an important area of ...
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A necessary and sufficient condition for the existence of a unique solution of a discrete boundary value problem
... A kth-order linear difference equation with constant coefficients subject to bound- ary conditions is considered. A necessary and sufficient condition for the existence of a unique solution for such a ...
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Existence and Policy Effectiveness in Feedback Nash LQ-Games
... equilibrium existence in static LQ-games (see Acocella and Di Bartolomeo, 2004, ...a necessary condition for the equilibrium existence and a sufficient condition for policy ...
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On the Equilibrium Without Loss in the Discrete Time Models of Economic Dynamics
... the condition (14), that is necessary and sufficient condition of existence equilibrium prices without loss does not depend on the vector of distributed resources ...
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Vol 8, No 8 (2017)
... the existence of measurable function 𝑓 : ( 𝑅 𝑛 , 𝜏 , Σ , 𝜇 ) ⟶ [0,1] ⊂ ( 𝑅 , 𝜏 , Σ , 𝜇 ...the necessary and sufficient condition for normal property on measure space and on measure manifold ...
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A necessary and sufficient condition for non smooth linear state optimal control problems
... If M were absolutely continuous, we would be able to integrate the second term by parts and reach such a conclusion. Because M is possibly discontinuous, we must pro- ceed more carefully. Note that M is non-decreasing on ...
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A necessary and sufficient condition for the strong convergence of nonexpansive mappings in Banach spaces
... In this paper, we establish a necessary and sufficient condition for the strong convergence of nonexpansive mappings in a uniformly convex and 2-uniformly smooth Banach space. It is worth pointing out that we ...
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The CFSP in synergetic theorising: Explaining the CFSP via a multi-causal and muilti-level analytical model. Jean Monnet/Robert Schuman Paper Series Vol. 8, No. 7, May 2008.
... foreign policy field, a number of scholars suggested that synergies may be necessary (Koenig- Archibugi 2004: 168, Sedelmeier 2003: 21, Carlsneas 2004: 12-15). Although the overall academic environment is based on ...
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A Necessary Condition for the Existence of the Nontrivial Zeros of the Riemann Zeta Function
... In the past one hundred and fifty years, the intense research around the distribution of the nontrivial zeros of the zeta function have resulted in great progress both in the development of new mathematical tools and new ...
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