asymptotical behaviour
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Author(s):  
Jann-Long Chern ◽  
Yong-Li Tang ◽  
Chang-Shou Lin ◽  
Junping Shi

The existence, stability and uniqueness of positive solutions to a semilinear elliptic system with sublinear nonlinearities are proved. It is shown that the precise global bifurcation diagram of the positive solutions is a monotone curve with different asymptotical behaviour according to the form of the nonlinearities. Equations with Hölder continuous nonlinearities are also considered.



2009 ◽  
Vol 30 (4) ◽  
pp. 1201-1214 ◽  
Author(s):  
ARNALDO NOGUEIRA

AbstractWe study the distribution on ℝ2 of the orbit of a vector under the linear action of SL(2,ℤ). Let Ω⊂ℝ2 be a compact set and x∈ℝ2. Let N(k,x) be the number of matrices γ∈SL(2,ℤ) such that γ(x)∈Ω and ‖γ‖≤k, k=1,2,…. If Ω is a square, we prove the existence of an absolute error term for N(k,x), as k→∞, for almost every x, which depends on the Diophantine property of the ratio of the coordinates of x. Our approach translates the question into a Diophantine approximation counting problem which provides the absolute error term. The asymptotical behaviour of N(k,x) is also obtained using ergodic theory.





2004 ◽  
Vol 330 (3) ◽  
pp. 441-472 ◽  
Author(s):  
Min-Chun Hong ◽  
Gang Tian


2003 ◽  
Vol 75 (3) ◽  
pp. 325-354 ◽  
Author(s):  
Daniela Bertacchi ◽  
Fabio Zucca

AbstractWe investigate the asymptotical behaviour of the transition probabilities of the simple random walk on the 2-comb. In particular, we obtain space-time uniform asymptotical estimates which show the lack of symmetry of this walk better than local limit estimates. Our results also point out the impossibility of getting sub-Gaussian estimates involving the spectral and walk dimensions of the graph.



2003 ◽  
Vol 267 (5) ◽  
pp. 1169-1174 ◽  
Author(s):  
Igor V. Andrianov ◽  
Jan Awrejcewicz


2002 ◽  
Vol 7 (3) ◽  
pp. 135-142
Author(s):  
Nguyen Minh Chuong ◽  
Ta Ngoc Tri

The integral wavelet transform is defined in weighted Sobolev spaces, in which some properties of the transform as well as its asymptotical behaviour for small dilation parameter are studied.



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