Zobrazeno 1 - 10
of 49
pro vyhledávání: '"O. A. S. Karamzadeh"'
Publikováno v:
Applied General Topology, Vol 16, Iss 2, Pp 183-207 (2015)
Let $C_c(X)=\{f\in C(X) : |f(X)|\leq \aleph_0\}$, $C^F(X)=\{f\in C(X): |f(X)|
Externí odkaz:
https://doaj.org/article/72b35701d8fc45479b0e412df41eb50b
Autor:
O. A. S. Karamzadeh
Publikováno v:
The Mathematical Intelligencer. 43:76-78
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d64df4309991b54e5ad9555c0b24703f
https://doi.org/10.1007/s00283-021-10063-z
https://doi.org/10.1007/s00283-021-10063-z
Autor:
O. A. S. Karamzadeh
Publikováno v:
The Mathematical Intelligencer. 43:3-4
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c2c64c921bbde0710c1ac70a11fc6fa8
https://doi.org/10.1007/s00283-021-10137-y
https://doi.org/10.1007/s00283-021-10137-y
Publikováno v:
Bulletin of the Iranian Mathematical Society. 45:173-187
Let $$C_c(X)$$ (resp. $$C^F(X)$$ ) denote the subring of $$C(X)$$ consisting of functions with countable (resp. finite) image and $$C_F(X)$$ be the socle of $$C(X)$$ . We characterize spaces X with $$C^*(X)=C_c(X)$$ , which generalizes a celebrated r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::61600b60fd22f0b7e2935bc88da61809
https://doi.org/10.1007/s41980-018-0124-8
https://doi.org/10.1007/s41980-018-0124-8
Autor:
O. A. S. Karamzadeh, N. Nazari
Publikováno v:
Communications in Algebra. 46:5083-5115
We observe that every non-commutative unital ring has at least three maximal commutative subrings. In particular, non-commutative rings (resp., finite non-commutative rings) in which there are exac...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::70c75d0cb9a10a68696ee9fc4744fd3d
https://doi.org/10.1080/00927872.2018.1424862
https://doi.org/10.1080/00927872.2018.1424862
Autor:
O. A. S. Karamzadeh, Z. Keshtkar
Publikováno v:
Quaestiones Mathematicae. 41:1135-1167
The c-realcompact spaces are fully studied and most of the important and well-known properties of realcompact spaces are extended to these spaces. For a zero-dimensional space X, the space υ0X, whi...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::497a9db87a01abf315013f153f8e95d4
https://doi.org/10.2989/16073606.2018.1441919
https://doi.org/10.2989/16073606.2018.1441919
Publikováno v:
Mathematica Slovaca. 67:1001-1010
We introduce and study the concept of the super socle of C(X), denoted by SCF (X) (i.e., the set of elements of C(X), which are zero everywhere except on a countable number of points of X). Using this concept we extend some of the basic results conce
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::255ced8a4db1b06a0546b6ebd5a69ff1
https://doi.org/10.1515/ms-2017-0028
https://doi.org/10.1515/ms-2017-0028
Autor:
O. A. S. Karamzadeh, M. Davoudian
Publikováno v:
Communications in Algebra. 44:3907-3917
We introduce and study the concept of dual perfect dimension which is a Krull-like dimension extension of the concept of acc on finitely generated submodules. We observe some basic facts for modules with this dimension, which are similar to the basic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::886524fdfed045698a91e6e1b352a6d3
https://doi.org/10.1080/00927872.2015.1065863
https://doi.org/10.1080/00927872.2015.1065863
Publikováno v:
Quaestiones Mathematicae. 38:139-154
It is observed that X is an F-space if and only if C(X) is locally a domain (i.e., C(X)P is a domain for each prime ideal P of C(X)). Consequently, X is an F-space if and only if the primary ideals of C(X) in any given maximal ideal in C(X) are compa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d0872ebfcf29c5228995b3a90245daf7
https://doi.org/10.2989/16073606.2014.923189
https://doi.org/10.2989/16073606.2014.923189
Autor:
O. A. S. Karamzadeh
Publikováno v:
The Mathematical Intelligencer. 36:4-7
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f4ea7c9d2b74bd831f8c0c5573de8903
https://doi.org/10.1007/s00283-014-9481-1
https://doi.org/10.1007/s00283-014-9481-1