Deformations of a complex mainfold near a strongly pseudo-convex real hypersurface and a realization of Kuranishi family of strongly pseudo-convex CR structures.
Kimio Miyajima (1990)
Mathematische Zeitschrift
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Kimio Miyajima (1990)
Mathematische Zeitschrift
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Jaak Peetre (1982)
Studia Mathematica
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K. Orlov, M. Stojanović (1974)
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H. B. Potoczny (1984)
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Rainald Schöneberg (1976)
Commentationes Mathematicae Universitatis Carolinae
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Takao Akahori (1989)
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Grzegorz Dymek (2015)
Discussiones Mathematicae - General Algebra and Applications
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The notions of a period of an element of a pseudo-BCI-algebra and a periodic pseudo-BCI-algebra are defined. Some of their properties and characterizations are given.
Rajab Ali Borzooei, Arsham Borumand Saeid, Akbar Rezaei, Akefe Radfar, Reza Ameri (2013)
Discussiones Mathematicae - General Algebra and Applications
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In this paper, we introduce the notion of pseudo BE-algebra which is a generalization of BE-algebra. We define the concepts of pseudo subalgebras and pseudo filters and prove that, under some conditions, pseudo subalgebra can be a pseudo filter. We prove that every homomorphic image and pre-image of a pseudo filter is also a pseudo filter. Furthermore, the notion of pseudo upper sets in pseudo BE-algebras introduced and is proved that every pseudo filter is an union of pseudo upper sets. ...
Young Bae Jun, Hee Sik Kim, J. Neggers (2006)
Matematički Vesnik
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Pap, Endre, Ralević, Nebojša M. (1999)
Novi Sad Journal of Mathematics
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