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Questions related from Arpad Szaz
By Beer [Topologies on Closed and Closed Convex Sets, Kluwer, 1993, p. 28], gaps and excesses can be expressed in terms of the induced surroundings S_{r} = { (x, y) \in X^{2} : d(x,...
4 weeks ago 1,440 2 View
Namely, by using relators (generalized uniformities), this can also be well done. Concerning several reasonable continuity properties of relators with other ones, see the attached Pdf.
26 February 2025 765 2 View
A subset of a topological space is called delta-open if it is the intersection of countably many open sets. D. B. Gauld and others defined a topology on the set X=[0, +infinity[ by using...
22 September 2024 1,907 4 View
N. Elez and O. Papaz, [The new operators in topological spaces, Math. Moravica 17 (2013), 63--68] stated this fact without any proof. In the attached pdf, I have been able to worked out...
23 May 2024 6,741 1 View
Irina Zvina stated the corresponding statement in the proof of Lemma 2.3 [On i-topological spaces: generalization of the concept of a topological space via ideals, Appl. Gen. Top. 7(2006),...
16 January 2024 8,391 11 View
Your rigid system did not allow me to formulate my complete question: Why are vascular catastrophes more frequent among table tennis players, than chess or football players? I am not a...
10 December 2023 6,386 0 View
I could find only one dissertation (by Ballone), and a few papers (not very readable) on Volterra ( spaces. This is a very striking fact, since Volterra spaces are natural generalization of...
22 November 2023 2,730 8 View
The greatest stupidities are the recently introduced Similarity Index and the rule that every Reference Item have to be cited in the Text of the paper. There is also a reqirement for a...
17 November 2023 5,714 3 View
I was testing my students with this question. However, acceptable answers were not given. Two papers of mine help to give the best answer.
16 November 2023 7,145 3 View
Why are editors of modern mathematical journals and publishers applying crazy, bureaucratic rules in additon to very high article processing charges? They are behaving quite similarly to the...
01 January 1970 6,349 2 View