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- Vasile Berinde, Madalina Pacurar
- Ninth International Symposium on Symbolic and…
- 2007

In this paper we present a very general class of weakly Picard mappings. The fixed point theorems thus obtained are generalizations of the well-known contraction mapping principle for single-valued mappings and of several of its subsequent generalizations, as well as of the well-known Nadler's fixed point theorem for multi-valued mappings and of many of its… (More)

- Marin Borcut, Vasile Berinde
- Applied Mathematics and Computation
- 2012

- Maryam A. Alghamdi, Vasile Berinde, Naseer Shahzad
- J. Applied Mathematics
- 2013

The study of fixed points of single-valued self-mappings or multivalued self-mappings satisfying certain contraction conditions has a great majority of results inmetric fixed point theory. All these results are mainly generalizations of Banach contraction principle. The Banach contraction principle guarantees the existence and uniqueness of fixed points of… (More)

Let X be a linear space. A p-norm on X is a real-valued function on X with 0 < p ≤ 1, satisfying the following conditions: (i) ‖x‖p ≥ 0 and ‖x‖p = 0⇔ x = 0, (ii) ‖αx‖p = |α|p‖x‖p, (iii) ‖x+ y‖p ≤ ‖x‖p +‖y‖p for all x, y ∈ X and all scalars α. The pair (X ,‖,‖p) is called a p-normed space. It is a metric linear space with a translation invariant metric dp… (More)

- VASILE BERINDE
- 2004

In the last three decades many papers have been published on the iterative approximation of fixed points for certain classes of operators, using the Mann and Ishikawa iteration methods, see [4], for a recent survey. These papers were motivated by the fact that, under weaker contractive type conditions, the Picard iteration (or the method of successive… (More)

- Vasile Berinde
- Applied Mathematics and Computation
- 2009

- Vasile Berinde
- 2010

- N. HUSSAIN, V. BERINDE, N. SHAFQAT
- 2009

We establish common fixed point theorems for weakly compatible generalized φ-contractions. As applications, various common fixed point and best approximation results for Cq-commuting and compatible maps are derived. Our results unify, extend and complement various known results existing in the literature. Acknowledgement. The authors would like to thank the… (More)

- Vasile Berinde
- Computers & Mathematics with Applications
- 2012

The aim of this paper is to extend the Kannan fixed point theorem from single-valued self mappings The obtained tripled fixed point theorems extend and unify several related results in literature. Acknowledgements. The paper has been finalized during the visit of the first two authors to Department of Mathematics , Universita di Roma Tre. They gratefully… (More)