نتایج جستجو برای: delay dierential equation

تعداد نتایج: 355902  

1997
Xian-Mo Zhang Yuliang Zheng Hideki Imai

Due to the success of dierential and linear attacks on a large number of encryption algorithms, it is important t o investigate relationships among the various cryptographic, including dierential and linear, characteristics of an S-box (substitution box). After discussing a precise relationship among three tables, namely the dierence, auto-correlation and correlation immunity distribution table...

Journal: :bulletin of the iranian mathematical society 2015
s. balamuralitharan

in this paper the periodic solutions of fourth order delay differential equation of the form $ddddot{x}(t)+adddot{x}(t)+f(ddot{x}(t-tau(t)))+g(dot{x}(t-tau(t)))+h({x}(t-tau(t)))=p(t)$  is investigated. some new positive periodic criteria are given.

Journal: :international journal of mathematical modelling and computations 0
hossein towsyfyan

the purpose of this study is to demonstrate the potential of imperialist competitivealgorithm (ica) for solving blasius dierential equation. this algorithm is inspiredby competition mechanism among imperialists and colonies and has demonstrated excellentcapabilities such as simplicity, accuracy, faster convergence and better global optimumachievement in contrast to other evolutionary algorithms...

2007
M. NOUMI T. UMEDA M. WAKAYAMA

[UW] T. Umeda and M. Wakayama, Another look at the dierential operators on quantum matrix spaces and its applications, in preparation.

E. Keshava Reddy M. P. Jeyaramana T. K. Suresh

Strong dierential subordination and superordination properties are determined for some familiesanalytic functions in the open unit disk which are associated with the Komatu operator by investigatingappropriate classes of admissible functions. New strong dierential sandwich-type results arealso obtained.

Journal: :journal of mahani mathematical research center 0
haniyeh fattahpour department of mathematical sciences, isfahan university of technology, isfahan, iran, 84156-83111 hamid r. z. zangeneh department of mathematical sciences, isfahan university of technology, isfahan, iran, 84156-83111

‎in this paper‎, ‎first we discuss a local stability analysis of model was introduced by p‎. ‎j‎. ‎mumby et‎. ‎al‎. ‎(2007)‎, ‎with $frac{gm^{2}}{m+t}$ as the functional response term‎. ‎we conclude that the grazing intensity is the important parameter to control the existence or extinction of the coral reef‎. ‎next‎, ‎we consider this model under the influence of the time delay as the bifurcat...

1996

[12] N. Takayama, Computation of intersection numbers of a twisted homology group of a locally constant sheaf of more than 1 dimension, 1995, preprint. Corollary 5.2. The monodromy matrices of solutions of the dierential equation (z d dz p Y k=2 z d dz + b k 0 1 0 z p Y k=1 z d dz + a k) y = 0 which correspond to the compact chambers of the hyperplane arrangement ((1 0 t 1)(z 0 t p01) p02 Y i=1...

Journal: :international journal of mathematical modelling and computations 0
mahnaz barkhordarii iran, islamic republic of n. kiani nasser mikaeilvand

in this paper, the (m+1)-step adams-bashforth, adams-moulton, and predictor-correctormethods are used to solve rst-order linear fuzzy ordinary dierential equations. the conceptsof fuzzy interpolation and generalised strongly dierentiability are used, to obtaingeneral algorithms. each of these algorithms has advantages over current methods. moreover,for each algorithm a convergence formula can b...

2012
Jean Krivine Vincent Danos Jérôme Feret Walter Fontana Russell Harmer

CMACS workshop NYC 2012 " Programs as models " project Import tools from theoretical computer science in order to describe and analyze biological systems Develop new technique to cope with the complexity of the cell Theoretical computer science Abstract interpretation Concurrency theory Abstract. Modelling is becoming a necessity in studying biological signalling pathways, because the combinato...

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