activity
20142017
most citedOn the existence of a factorized unbounded operator between Fréchet spaces

1 citations · 2 across the 7 of their papers we have counts for

collaborators

7 papers

math.FA2017

A Remark on a paper of P. B. Djakov and M. S. Ramanujan

Elif Uyanık, Murat H. Yurdakul

Let l be a Banach sequence space with a monotone norm in which the canonical system (e_{n}) is an unconditional basis. We show that if there exists a continuous linear unbounded op…

math.FA2017

Bounded Operators to -Köthe Spaces

Elif Uyanık, Murat H. Yurdakul

For Fr{é}chet spaces E and F we write (E,F) \in {B} if every continuous linear operator from E to F is bounded. Let l be a Banach sequence space with a monotone norm in which the c…

math.FA2017

A note on triangular operators on Smooth Sequence Spaces

Elif Uyanık, Murat H. Yurdakul

For a scalar sequence {(θ_n)}_{n \in \mathbb{N}}, let C be the matrix defined by c_n^k = θ_{n-k+1} if n > k, c_n^k = 0 if n < k. The map between Köthe spaces λ(A) and λ(B) is calle…

math.FA2016★ 1 cited

On the existence of a factorized unbounded operator between Fréchet spaces

Ersin Kızgut, Murat Yurdakul

For locally convex spaces and , the continuous linear map is called bounded if there is a zero neighborhood of such that is bounded in . Our ma…

math.FA2016

Remarks on bounded operators in -Köthe spaces

Ersin Kızgut, Elif Uyanık, Murat Yurdakul

For locally convex spaces and , the continuous linear map is said to be bounded if it maps zero neighborhoods of into bounded sets of . We denote $(X,Y) \…

math.FA2015

Some stability results in projective tensor products

Ersin Kızgut, Murat Yurdakul

Let be a pair of Fréchet spaces. In this paper, we discuss whether a certain property enjoyed by both and is also satisfied by the complete tensor product $E \w…

math.FA2014★ 1 cited

Remarks on strictly singular operators

Ersin Kızgut, Murat Yurdakul

A continuous linear operator is called strictly singular if it cannot be invertible on any infinite dimensional closed subspace of its domain. In this note we discuss s…