[Turkmath:2700] İstanbul Üniversitesi Matematik Bölümü Genel Semineri, 14 Aralık 2017, 15:00

[ŞÜKRÜ YALÇINKAYA]

Merhabalar,

İstanbul Üniversitesi Matematik Bölüm seminerinde Hacettepe
Üniversitesi'nden Uğur Gül "Invertibility in a C*-algebra of operators
acting on the Hardy space of the unit disc via tensor products" başlıklı
bir konuşma verecektir. Konuşmanın detayları aşağıdaki gibidir. İlgilenen
herkesi bekleriz.

Dear All,
Uğur Gül from Hacettepe University is going to give a talk entitled
"Invertibility
in a C*-algebra of operators acting on the Hardy space of the unit disc via
tensor products" at the Istanbul University Department of Mathematics
Colloquium. The details are given below. All interested are welcome.

Şükrü Yalçınkaya

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*Konuşmacı/Speaker*: Uğur Gül

*Başlık/Title*: Invertibility in a C*-algebra of operators acting on the
Hardy space of the unit disc via tensor products

*Özet/Abstract: *In this talk we will deal with invertibility of certain
linear algebraic sums in a C*-algebra generated by Toeplitz operators and
Fourier multipliers which act on the Hardy space of the unit disc. Finding
an invertibility criterion we will apply this criterion to the
characterization of Fredholmness for some elements in a tensor product
algebra which act on the Hardy space of the bi-disc. These results
constitute joint work with B.B.Koca of İstanbul University.

*Yer/Place*: Matematik Bölümü Bilgisayar Laboratuvarı

*Tarih-Zaman/Date-Time: *14 Aralık 2017, 15:00
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