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1
Content available remote On iterate minimal structures and M-iterate continuous functions
Noiri T., Popa V.
Fasciculi Mathematici
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2013
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Nr 50
109--119
EN
We introduce the notion of mIT-structures determined by operators mint and mCl on an m-space (X, mX). By using mIT-structures, we introduce and investigate a function f : (X, mIT) → (Y, mY) called MIT-continuous. As special cases of M/T -continuity, we obtain M-semicontinuity [21] and M-precontinuity [23].
2
Content available remote Between closed sets and *g - closed sets
Ravi O, Rodrigo J A R, Tharmar S, Vijayalakshmi K
Fasciculi Mathematici
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2012
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Nr 49
127--136
EN
Veerakumar [16] introduced the notion of *g-closed sets and further properties of *g-closed sets are investigated. In this paper, we introduce the notion of m*g-closed sets and obtain the unified characterizations for certain families of subsets between closed sets and *g-closed sets.
3
Content available remote Type-II InAs/GaSb photodiodes and focal plane arrays aimed at high operating temperatures
Razeghi M., Abdollahi Pour S., Huang E. K., Chen G., Haddadi A., Nguyen B. M.
Opto-Electronics Review
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2011
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Vol. 19, No. 3
261-269
EN
Recent efforts to improve the performance of type II InAs/GaSb superlattice photodiodes and focal plane arrays (FPA) have been reviewed. The theoretical bandstructure models have been discussed first. A review of recent developments in growth and characterization techniques is given. The efforts to improve the performance of MWIR photodiodes and focal plane arrays (FPAs) have been reviewed and the latest results have been reported. It is shown that these improvements has resulted in background limited performance (BLIP) of single element photodiodes up to 180 K. FPA shows a constant noise equivalent temperature difference (NEDT) of 11 mK up to 120 K and it shows human body imaging up to 170 K.
4
Content available remote Further properties of quasi M-continuous functions
Noiri T., Popa V.
Fasciculi Mathematici
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2011
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Nr 47
29--46
EN
We obtain the further properties of quasi Mconti¬nuous functions which were introduced and investigated in order to establish the unified theory for several variations of quasi-conti¬nuity between bitopological spaces.
5
Content available remote A generalization of ω-continuity
Noiri T., Popa V.
Fasciculi Mathematici
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2010
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Nr 45
71-86
EN
In this paper, by using mg*-closed sets [23], we define and investigate the notion of mg*-continuity which is a generalization of ω-continuity [32] or g-continuity [35].
6
Content available remote The unified theory of certain types of generalizations of Lindelof spaces
Noiri T., Popa V.
Demonstratio Mathematica
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2010
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Vol. 43, nr 1
203-212
EN
We introduce a new class of sets called u-m-open sets which are defined on a family of sets satisfying m-structures with the property of being closed under arbitrary union. The sets enable us to obtain some unified properties of certain types of generalizations of Lindelof spaces.
7
Content available remote Minimal structures, m-open multifunctions in the sense of Kuratowski and bitopological spaces
Noiri T., Popa V.
Fasciculi Mathematici
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2009
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Nr 41
107-117
EN
By using m-open multifunctions from a topological space into an m-space, we establish the unified theory for several weak forms of open multifunctions in the sense of Kuratowski between bitopological spaces.
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