the intersection of a finite number of open sets is open

... này mang tính tương đối trang trọng. Sau A large amount of và a great deal of là danh từ không đếm được. Ví dụ: * She has spent a great deal of time in Europe. Sau A large number of là ... đó là danh từ không đếm được và danh từ số nhiều. Ví dụ: * There is plenty of time. * Plenty of shops accept credit cards. A large amount of, a great deal of , a large number of Cách ... chia tương ứng với dạng số nhiều. Ví dụ: * A lot of my friends live abroad. * Lots of time is needed to learn a language. Plenty of Plenty of mang ngh a : “đủ và nhiều hơn n a , theo sau...

Ngày tải lên: 02/04/2014, 13:20

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Ngày tải lên: 27/07/2014, 15:21

... B=MIC B ị=n where A and B are the MICs of drug A and drug B in the combination, MIC A and MIC B are the MICs of drug A and drug B alone, FIC A and FIC B are the FICs of drug A and drug B and n is the number of ... & Batoni G (2008) Comparative analysis of the bactericidal activities of amphibian peptide analogues against multidrug-resistant nosocomial bacterial strains. Antimicrob Agents Chemother 52, ... purchased from Avanti Polar Lipids (Alabaster, AL, USA). FITC-Ds were purchased from Sigma. All other chemicals were reagent grade. For antimicrobial assays, the commercially available quality...

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Ngày tải lên: 09/08/2014, 18:21

... of Asp11, Asp14 and Asp21, the amide oxygen atom of Gln15 and the carbonyl oxygen atoms of Asp11 and Asn23 (Fig. 3) in an arrangement similar to what is observed in VPRK. Both PRK and VPRK have ... binding affinity (higher K M value) SPRK has towards the synthetic suc-AAPF-nitroanilide substrate than PRK has [18]. The volume of the S4 site in the bacterial enzymes is larger than in PRK. It is there- fore ... [18]. The biophysical characteri- zation of SPRK did not reveal the classical cold adap- ted features [19], but still initial comparative studies showed that the catalytic turnover was at least...

Ngày tải lên: 19/02/2014, 07:20

... population. Type D personality and mechanisms of disease Six studies examined behavioral and biological mechan- isms of disease as a function of Type D personality in apparently health individuals ... infarction, and the associated risk was similar to that of traditio nal car- diovascular risk factors [7]. Some studies that are included in this review explored the behavioral and biological ... of social inhibition and negative affectivity on health. Stan- dardisation of the use of valid Type D questionnaires is essential f or adequate evaluation and mutual compari- son of studies. Finally,...

Ngày tải lên: 18/06/2014, 19:20

... point sets of a family of nonexpansive mapping see 6, 7. The ploblem of finding a common element of EPF, A and the set of all common fixed points of a family of nonexpansive mappings is of wide ... in Hilbert spaces,” Journal of Mathematical Analysis and Applications, vol. 331, no. 1, pp. 506–515, 2007. 11 S. Takahashi and W. Takahashi, “Strong convergence theorem for a generalized equilibrium ... 2010. 13 W. Takahashi, Nonlinear Functional Analysis: Fixed Point Theory and Its Applications, Yokohama Publishers, Yokohama, Japan, 2000. 14 H K. Xu, “Iterative algorithms for nonlinear operators,”...

Ngày tải lên: 21/06/2014, 11:20

... points of families of nonex- pansive mappings,” Journal of Mathematical Analysis and Applications, vol. 211, no. 1, pp. 71–83, 1997. [5] W. Takahashi, T. Tamura, and M. Toyoda, “Approximation of ... mappings. It is unclear if they are sufficient. The objective of this paper is to show another generalization of Mann and Halpern iterative algorithm to a setting of a finite family of nonexpansive mappings. ... points of families of nonexpansive mappings,” to appear in Taiwanese Journal of Mathematics. [7] R. Wittmann, “Approximation of fixed points of nonexpansive mappings,” Archiv der Mathe- matik,...

Ngày tải lên: 22/06/2014, 18:20

... and J C. Yao, “Stability of iterative procedures with errors for approximating com- mon fixed points of a couple of q-contractive-like mappings in Banach spaces,” Journal of Math- ematical Analysis ... methods with variable par ameters for variational inequalities,” to appear in Journal of Optimization Theory and Applications. [9] L. C. Ceng, P. Cubiotti, and J C. Yao, “Approximation of common ... mappings and applications,” to appear in Nonlinear Analysis. [11] L C. Zeng, S. Y. Wu, and J C. Yao, “Generalized KKM theorem with applications to generalized minimax inequalities and generalized...

Ngày tải lên: 22/06/2014, 19:20

... beanonemptyclosedconvexsubsetofarealHilbertspaceH and T a nonexpansive mapping from K into itself. If T has a fixed point, then I − T is demiclosed at zero, where I is the identity mapping of H,thatis,whenever {x n } isasequenceinK weakly ... H. The interest and importance of construction of fixed points of nonexpansive map- pings stem mainly from the fact that it may be applied in many areas, such as imagine recover y and signal processing ... in Hilbert space,” Journal of Mathematical Analysis and Applications, vol. 20, no. 2, pp. 197–228, 1967. [2] C. Byrne, A unified treatment of some iterative algorithms in signal processing and image re- construction,”...

Ngày tải lên: 22/06/2014, 22:20

... methods with variable par ameters for variational inequalities,” to appear in Journal of Optimization Theory and Applications. [9] L. C. Ceng, P. Cubiotti, and J C. Yao, “Approximation of common ... procedures with errors for approximating com- mon fixed points of a couple of q-contractive-like mappings in Banach spaces,” Journal of Math- ematical Analysis and Applications, vol. 321, no. 2, ... Point Theory and Applications, vol. 2005, no. 1, pp. 103–123, 2005. [19] H K. Xu, “Viscosity approximation methods for nonexpansive mappings,” Journal of Mathe- matical Analysis and Applications,...

Ngày tải lên: 22/06/2014, 22:20

... Department of Mathematics, University of Nigeria, Nsukka, Nigeria E-mail address: osilike@yahoo.com B. G. Akuchu: Department of Mathematics, University of Nigeria, Nsukka, Nigeria E-mail address: ... on Development and Exchanges (CDE) of the International Mathematical Union, and the University of Nigeria, Nsukka, for generous travel support. His research is supported by a grant from TWAS (99-181 RG/MATHS/AF/AC). ... Asymptotically pseudocontractive maps References [1] M.O.Osilike,S.C.Aniagbosor,andB.G.Akuchu,Fixed points of asymptotically demicontrac- tive mappings in arbitrary Banach spaces, Panamer. Math....

Ngày tải lên: 23/06/2014, 00:20

... habtuzh@yahoo.com Naseer Shahzad: Department of Mathematics, Faculty of Sciences, King Abdul Aziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia E-mail address: nshahzad@kau.edu.sa C. E. Chidume et al. ... in B anach spaces, Comm. Appl. Nonlinear Anal., 11 (2004), no. 2, 25–32. [4] I. Cioranescu, Geometr y of Banach Spaces, Duality Mappings and Nonlinear Problems, Mathe- matics and Its Applications, ... be a retraction if Q 2 = Q.IfamappingQ is a retraction, then Qz = z for every z ∈ R(Q), range of Q.AsubsetK of E is said to be a sunny nonexpansive retract of E if there exists a sunny nonexpansive...

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