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pro vyhledávání: '"Konidas, C. A."'
Autor:
Konidas, C. A.
Let $X$ be a topological vector space of complex-valued sequences and $Y$ be a subset of $X$. We provide conditions for $X \setminus Y \cup \{0\}$ to contain uncountably infinitely many linearly independent dense vector subspaces of $X$. We also prov
Externí odkaz:
http://arxiv.org/abs/2211.04541
Autor:
Konidas, C. A., Nestoridis, V.
It has been shown that the set of universal functions on trees contains a linear subspace except zero, dense in the space of harmonic functions. In this paper we show that the set of universal functions contains two linear subspaces except zero, dens
Externí odkaz:
http://arxiv.org/abs/2210.10028
Autor:
Konidas, C. A.
It is well known that the set of universal functions on a tree contains a vector space except zero which is dense in the set of harmonic functions. In this paper we improve this result by proving that the set of universal functions on a tree contains
Externí odkaz:
http://arxiv.org/abs/2201.00268