کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5777838 | 1633059 | 2017 | 20 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Universality on frames
ترجمه فارسی عنوان
جهانی بودن در فریم ها
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
ریاضیات
هندسه و توپولوژی
چکیده انگلیسی
In the present paper we consider so-called saturated classes of frames of weight less than or equal to a given infinite cardinal Ï. Such classes are saturated by universal elements. We consider three kinds of saturated classes. The saturated classes of any considered kind have the following basic property: the intersection of not more than Ï many saturated classes is also a saturated class and therefore in this intersection there are also universal elements. We prove that the classes RegFrm(Ï) of regular and CRegFrm(Ï) of completely regular frames of weight â¤Ï are saturated classes in any of these kinds. This fact implies that in the classes RegFrm(Ï,μ) and CRegFrm(Ï,μ) of regular and completely regular frames, respectively, of weight â¤Ï and decomposition invariant (see [10]) μâ¤Ï there are universal elements.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Topology and its Applications - Volume 220, 1 April 2017, Pages 173-188
Journal: Topology and its Applications - Volume 220, 1 April 2017, Pages 173-188
نویسندگان
P.S. Gevorgyan, S.D. Iliadis, Yu.V. Sadovnichy,