# A necessary and sufficient condition for dual Weyl-Heisenberg frames to be compactly supported

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 @article{gabor,     author = {Bölcskei, Helmut},     title = {A necessary and sufficient condition for dual Weyl-Heisenberg frames to be compactly supported},     journal = {The Journal of Fourier Analysis and Applications},     volume = 5,     number = 5,     pages = {409--419},     year = 1999,     keywords = {Gabor expansions, Weyl-Heisenberg frames, compact support, Zak transform, unimodularity, polynomial matrices, tight frames, oversampling},     url = {http://www.nari.ee.ethz.ch/pubs/p/gabor} } 
 \bibitem{gabor} H. Bölcskei, A necessary and sufficient condition for dual Weyl-Heisenberg frames to be compactly supported,'' \emph{The Journal of Fourier Analysis and Applications}, Vol. 5, No. 5, pp. 409-419, 1999. 
 H. Bölcskei, "A necessary and sufficient condition for dual Weyl-Heisenberg frames to be compactly supported," The Journal of Fourier Analysis and Applications, Vol. 5, No. 5, pp. 409-419, 1999.