Zobrazeno 1 - 10
of 839
pro vyhledávání: '"N. Shahzad"'
Publikováno v:
Journal of Function Spaces, Vol 2022 (2022)
One of the most interesting tasks in mathematics is, undoubtedly, to solve any kind of equations. Naturally, this problem has occupied the minds of mathematicians since the dawn of algebra. There are hundreds of techniques for solving many classes of
Externí odkaz:
https://doaj.org/article/ebd261de98164378b1f9c5ac6259d2f3
Publikováno v:
Electronic Journal of Qualitative Theory of Differential Equations, Vol 2014, Iss 45, Pp 1-12 (2014)
The boundedness character of positive solutions of the next max-type system of difference equations $$x_{n+1}=\max\left\{A,\frac{y_n^p}{x_{n-1}^q}\right\},\quad y_{n+1}=\max\left\{A,\frac{x_n^p}{y_{n-1}^q}\right\},\quad n\in\mathbb{N}_0,$$ with $\min
Externí odkaz:
https://doaj.org/article/e928118fd05f483aabf93346a41984ce
Publikováno v:
Electronic Journal of Qualitative Theory of Differential Equations, Vol 2013, Iss 47, Pp 1-18 (2013)
Here we study the following system of difference equations \begin{align} x_n&=f^{-1}\bigg(\frac{c_nf(x_{n-2k})}{a_n+b_n\prod_{i=1}^kg(y_{n-(2i-1)})f(x_{n-2i})}\bigg),\nonumber\\ y_n&=g^{-1}\bigg(\frac{\gamma_n g(y_{n-2k})}{\alpha_n+\beta_n \prod_{i=1
Externí odkaz:
https://doaj.org/article/9a959f690fca4c86b6b6d54a5e3321a5
Autor:
H. Pathak, N. Shahzad
Publikováno v:
Electronic Journal of Qualitative Theory of Differential Equations, Vol 2012, Iss 62, Pp 1-13 (2012)
In this paper, a generalization of Nadler's fixed point theorem is presented for $H^+$-type $k$-multi-valued weak contractive mappings. We consider a nonconvex Hammerstein type integral inclusion and prove an existence theorem by using an $H^+$-type
Externí odkaz:
https://doaj.org/article/8e5ebaf069754265a14e7e9fea938db5
Autor:
H. Zegeye, N. Shahzad
Publikováno v:
Abstract and Applied Analysis, Vol 2014 (2014)
We prove a strong convergence theorem for a common fixed point of a finite family of right Bregman strongly nonexpansive mappings in the framework of real reflexive Banach spaces. Furthermore, we apply our method to approximate a common zero of a fin
Externí odkaz:
https://doaj.org/article/4d7d5079314e43df9ea8715f4710ac3b
Autor:
N. Shahzad, O. Valero
Publikováno v:
Abstract and Applied Analysis, Vol 2014 (2014)
Asymmetric normed semilinear spaces are studied. A description of biBanach, left K-sequentially complete, and Smyth complete asymmetric normed semilinear spaces is provided and three appropriate notions of absolute convergence in the asymmetric norme
Externí odkaz:
https://doaj.org/article/c0ff3868df9f488bbbfd9df9b718515f
Autor:
H. Zegeye, N. Shahzad
Publikováno v:
Abstract and Applied Analysis, Vol 2013 (2013)
We introduce an iterative process which converges strongly to a zero of a finite sum of monotone mappings under certain conditions. Applications to a convex minimization problem are included. Our theorems improve and unify most of the results that ha
Externí odkaz:
https://doaj.org/article/89d3591a19334cb4920c848740158084
Publikováno v:
The Scientific World Journal, Vol 2013 (2013)
We introduce β-generalized weak contractive multifunctions and give some results about endpoints of the multifunctions. Also, we give some results about role of a point in the existence of endpoints.
Externí odkaz:
https://doaj.org/article/2164612837b14eb3bdab1ef6a34c4d87
Autor:
D. Pugliese, N. Shahzad, A. Sacco, G. Musso, A. Lamberti, G. Caputo, E. Tresso, S. Bianco, C. F. Pirri
Publikováno v:
International Journal of Photoenergy, Vol 2013 (2013)
Metal-free dye molecules for dye-sensitized solar cells application can avoid some of the typical drawbacks of common metal-based sensitizers, that are high production costs, relatively low molar extinction coefficient in the visible region, limited
Externí odkaz:
https://doaj.org/article/55fc9273a02e4a66ad39962c1ae28762
Autor:
H. Zegeye, N. Shahzad
Publikováno v:
Abstract and Applied Analysis, Vol 2013 (2013)
We provide an iterative process which converges strongly to a common fixed point of finite family of asymptotically k-strict pseudocontractive mappings in Banach spaces. Our theorems improve and unify most of the results that have been proved for thi
Externí odkaz:
https://doaj.org/article/a6f19c9417904d2b821297eb1051af81