[Turkmath:939] İstanbul Üniversitesi Matematik Analiz semineri

[SERAP ÖZTOP KAPTANOĞLU]

Değerli Liste Üyeleri, 
  
Kanada, Lakehead Üniversitesi'nden Elçim Elgun 
  
12  Ocak 2015 tarihinde , saat  14:00 'te, 

İ.Ü Matematik Bölümü seminer salonunda  aşağıda ayrıntıları verilen Analiz seminerini 

verecektir. 
  
İlgilenen herkes davetlidir. 
  
Bilgilerinize. 
Serap Öztop 

  
TItle:  The Eberlein Compactification of the Heisenberg Type Group  $\mathbb{Z} \times \mathbb{T} \times \mathbb{T}$ 


Abstract: Given a locally compact group $G$, the Eberlein compactification $G^e$ is the spectrum of the uniform closure of the Fourier-Stieltjes algebra $B(G)$. It is a semitopological semigroup compactification and thus a quotient of the weakly almost periodic compactification of $G$. In this talk we aim to study the Eberlein compactification of the group $\mathbb{Z} \times \mathbb{T} \times \mathbb{T}$ equipped with Heisenberg type multiplication. First, we will see that transitivity properties of the action of $\mathbb{Z} \times \mathbb{T}$ on the central subgroup $\mathbb{T}$  force some aspects of the structure of $(\mathbb{Z} \times \mathbb{T} \times \mathbb{T})^e$ to be quite simple. On the other hand, we will observe that the Eberlein compactification of the direct product group $\mathbb{Z} \times \mathbb{T}$ is large with a complicated structure, and can be realized as a quotient of the Eberlein compactification $(\mathbb{Z} \times \mathbb{T} \times \mathbb{T})^e$. 




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