نتایج جستجو برای: open functions

تعداد نتایج: 865641  

سلطانی, سینا, قیومی بیدهندی, مهرداد,

Khaniqah in the history of Iran, especially in pre-Safavid era, was among the most frequent building types. Nevertheless what we know about its architecture is almost nothing. Identifying the khaniqah architecture requires a vast multi-disciplinary research, which would cover all of the Islamic lands through all of the periods of their histories, based on the most related Arabic, Persian, and T...

In this paper, we introduce and investigate two new subclasses of the functions class $ Sigma $ of bi-univalent functions defined in the open unit disk, which are associated with the Aghalary-Ebadian-Wang operator. We  estimate the coefficients $|a_{2} |$ and  $|a_{3} |$ for functions in these new subclasses. Several  consequences of the result are also pointed out.

Let A(p) denote the class of functions which are analytic in the open unit disk U. By making use of certain integral operator,we obtain some interesting properties of multivalent analytic functions.

Journal: :bulletin of the iranian mathematical society 0
á. barciz department of economics‎, ‎babes-bolyai university‎, ‎400591 cluj-napoca‎, ‎romania and ‎institute of applied mathematics‎, ‎'obuda university‎, ‎1034 budapest‎, ‎hungary. s. kant department of mathematics‎, ‎government dungar college‎, ‎334001 bikaner‎, ‎india. j‎. ‎k‎. ‎ prajapat department of mathematics‎, ‎central university of rajasthan‎, ‎305817 kishangarh‎, ‎rajasthan‎, ‎india.

an operator associated with the wright function is introduced in the open unit disk. differential subordination and superordination results associated with this operator are obtained by investigating appropriate classes of admissible functions. in particular, some inequalities for modified bessel functions are also obtained.

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.

In the present investigation, we use the Horadam Polynomials to establish upper bounds for the second and third coefficients of functions belongs to a new subclass of analytic and $lambda$-pseudo-starlike bi-univalent functions defined in the open unit disk $U$. Also, we discuss Fekete-Szeg$ddot{o}$ problem for functions belongs to this subclass.

B. Amudhambigai N. Krithika

In this paper, the concepts of somewhat fuzzy automata continuous functions and somewhat fuzzy automata open functions in fuzzy automata topological spaces are introduced and some interesting properties of these functions are studied. In this connection, the concepts of fuzzy automata resolvable spaces and fuzzy automata irresolvable spaces are also introduced and their properties are studied.

Journal: :Proceedings of the American Mathematical Society 1984

Journal: :Topology and its Applications 2012

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