Additive involutions and Hamel bases

Verfasser / Beitragende:
[Wojciech Jabłoński]
Ort, Verlag, Jahr:
2015
Enthalten in:
Aequationes mathematicae, 89/3(2015-06-01), 575-582
Format:
Artikel (online)
ID: 605508453
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024 7 0 |a 10.1007/s00010-013-0241-7  |2 doi 
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100 1 |a Jabłoński  |D Wojciech  |u Department of Mathematics, University of Rzeszow, Rejtana 16 A, 35-310, Rzeszów, Poland  |4 aut 
245 1 0 |a Additive involutions and Hamel bases  |h [Elektronische Daten]  |c [Wojciech Jabłoński] 
520 3 |a Our aim is to give other proofs of some slight generalizations of results from Baron (Aequat Math, 2013). We describe larger classes of discontinuous additive involutions $${a:X\to X}$$ a : X → X on a topological vector space X such that $${a(H)\setminus H\neq\emptyset}$$ a ( H ) \ H ≠ ∅ holds for a sufficiently numerous set $${H\subset X}$$ H ⊂ X of vectors linearly independent over $${{\mathbb{Q}}}$$ Q . We also consider the topological vector space $${{\mathcal{A}}_X}$$ A X of all additive functions $${a:X\to X}$$ a : X → X with the topology induced by the Tychonoff topology of the space X X . We prove in a simple way that some classes of discontinuous additive involutions are dense in the topological vector space $${{\mathcal{A}}_X}$$ A X . 
540 |a The Author(s), 2013 
690 7 |a Additive function  |2 nationallicence 
690 7 |a involution  |2 nationallicence 
690 7 |a Hamel base  |2 nationallicence 
690 7 |a Tychonoff topology  |2 nationallicence 
773 0 |t Aequationes mathematicae  |d Springer Basel  |g 89/3(2015-06-01), 575-582  |x 0001-9054  |q 89:3<575  |1 2015  |2 89  |o 10 
856 4 0 |u https://doi.org/10.1007/s00010-013-0241-7  |q text/html  |z Onlinezugriff via DOI 
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950 |B NATIONALLICENCE  |P 100  |E 1-  |a Jabłoński  |D Wojciech  |u Department of Mathematics, University of Rzeszow, Rejtana 16 A, 35-310, Rzeszów, Poland  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Aequationes mathematicae  |d Springer Basel  |g 89/3(2015-06-01), 575-582  |x 0001-9054  |q 89:3<575  |1 2015  |2 89  |o 10