ARI guest talk by Rosario Corso

27. February 2019

14.30 o'clock

Seminar Room, Wohllebengasse 12-14 / Ground Floor 

We will talk about operator representation of frames, that is the possibility to write a frame of a Hilbert space as orbit of an operator on a single element. The iteration of the operator can be over the natural numbers or over all the integer numbers. The existence of such a representation is equivalent to the linear independence of the frame, but the operator might be unbounded. Necessary and sufficient conditions are known to guarantee that the operator is bounded and they are related to shift-invariance of the kernel of the synthesis operator. In particular, we will focus on an open question, regarding the possibility of representing a Gabor frame as orbit over Z of a bounded operator.

Upcoming Events

Improving speech technology with the open source VOiCES dataset

ARI guest talk by Michael R. Lomnitz

19. September 2019

14.30

Seminar Room, Wohllebengasse 12-14 / Ground Floor

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SSW10

The 10th ISCA Speech Synthesis Workshop

20. - 22. September 2019

Vienna, Austria

 

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