نتایج جستجو برای: closed functions

تعداد نتایج: 603212  

A. Sanatpour H. Mahyar

We investigate compact composition operators on ceratin Lipschitzspaces of analytic functions on the closed unit disc of the plane.Our approach also leads to some results about compositionoperators on Zygmund type spaces.

Journal: :Transactions of the American Mathematical Society 1934

Journal: :Topology and its Applications 2007

Journal: :Časopis pro pěstování matematiky 1964

A. Heidary and M. Kyvanfar, M. Kahrizi,

Analysis of aperture-coupled microstrip antennas with a superstrate using space domain closed form Greens functions is presented. Integral equations are derived from applying the boundary conditions on the radiating patch, across the aperture, and on the microstrip feedline. The computation of space domain greens functions is performed using the closed-form. The solution of the integral equatio...

A. Heidary and M. Kyvanfar, M. Kahrizi,

Analysis of aperture-coupled microstrip antennas with a superstrate using space domain closed form Green's functions is presented. Integral equations are derived from applying the boundary conditions on the radiating patch, across the aperture, and on the microstrip feedline. The computation of space domain green's functions is performed using the closed-form. The solution of the integral equat...

Journal: :iranian journal of numerical analysis and optimization 0
mojtaba moniri jafar s. eivazloo

in an earlier work we showed that for ordered fields f not isomorphic to the reals r, there are continuous 1-1 unctions on [0, 1]f which map some interior point to a boundary point of the image (and so are not open). here we show that over closed bounded intervals in the rationals q as well as in all non-archimedean ordered fields of countable cofinality, there are uniformly continuous 1-1 func...

Journal: :Journal of Mathematical Analysis and Applications 2010

2002
BASSAM AL-NASHEF

The family of regular closed subsets of a topological space is used to introduce two concepts concerning a function f from a space X to a space Y . The first of them is the notion of f being rc-continuous. One of the established results states that a space Y is extremally disconnected if and only if each continuous function from a space X to Y is rc-continuous. The second concept studied is the...

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