On σ-porous and Φ-angle-small sets in metric spaces
Stefan Rolewicz (2003)
Control and Cybernetics
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Stefan Rolewicz (2003)
Control and Cybernetics
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Alimohammady, M., Roohi, M. (2008)
The Journal of Nonlinear Sciences and its Applications
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Verma, Ram U. (2009)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Cheng, Sui Sun, Zhang, Guang (1998)
Georgian Mathematical Journal
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Verma, Ram U. (2011)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Ian Stares (1998)
Commentationes Mathematicae Universitatis Carolinae
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We consider the class of decreasing (G) spaces introduced by Collins and Roscoe and address the question as to whether it coincides with the class of decreasing (A) spaces. We provide a partial solution to this problem (the answer is yes for homogeneous spaces). We also express decreasing (G) as a monotone normality type condition and explore the preservation of decreasing (G) type properties under closed maps. The corresponding results for decreasing (A) spaces are unknown. ...
Lj. Kočinac (1991)
Matematički Vesnik
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Kvinikadze, G. (1999)
Memoirs on Differential Equations and Mathematical Physics
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