Abstract
This chapter reports on the current status of the HRT Conjecture (also known as the linear independence of time–frequency shifts conjecture), and discusses its relationship with a longstanding conjecture in algebra known as the zero divisor conjecture.
∗ This work was partially supported by grants from the Simons Foundation (#229035 Heil; #244953 Speegle).
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References
Balan R. The noncommutative Wiener lemma, linear independence, and spectral properties of the algebra of time–frequency shift operators. Trans Am Math Soc. 2008;360:3921–41.
Balan R, Krishtal I. An almost periodic noncommutative Wiener’s lemma. J Math Anal Appl. 2010;370:339–49.
Benedetto JJ, Bourouihiya A. Linear independence of finite Gabor systems determined by behavior at infinity. J Geom Anal.2014; to appear.
Bownik M, Speegle D. Linear independence of Parseval wavelets. Illinois J Math. 2010;54:771–85.
Bownik M, Speegle D. Linear independence of time-frequency translates of functions with faster than exponential decay. Bull Lond Math Soc. 2013;45:554–66.
Christensen O, Lindner AM. Lower bounds for finite wavelet and Gabor systems. Approx Theory Appl (N.S.). 2001;17:18–29.
Daubechies I. Ten lectures on wavelets. Philadelphia: SIAM;1992.
Demeter C. Linear independence of time frequency translates for special configurations. Math Res Lett. 2010;17:761–79.
Demeter C, Gautam SZ. On the finite linear independence of lattice Gabor systems. Proc Am Math Soc. 2013;141:1735–47.
Demeter C, Zaharescu A. Proof of the HRT conjecture for \((2,2)\) configurations. J Math Anal Appl. 2012;388:151–9.
Formanek E. The zero divisor question for supersolvable groups. Bull Aust Math Soc. 1973;9:69–71.
Gröchenig K. Linear independence of time-frequency shifts? Preprint. 2014.
Haar A. Zur Theorie der orthogonalen Funktionensysteme. Math Ann. 1910;69:331–71; English translation in [17].
Heil C. Linear independence of finite Gabor systems, In: Heil C, Editor. Harmonic analysis and applications. Boston: Birkhäuser; 2006. p. 171–206.
Heil C. A basis theory primer, expanded Edition. Boston: Birkhäuser; 2011.
Heil C. WHAT IS … a frame? Notices Am Math Soc. 2013;60:748–50.
Heil C, Walnut DF, Editors. Fundamental papers in wavelet theory. Princeton: Princeton University Press; 2006.[AQ1]
Heil C, Ramanathan J, Topiwala P. Linear independence of time-frequency translates. Proc Am Math Soc. 1996;124:2787–95.
Higman G. The units of group-rings. Proc Lond Math Soc. 1940;46(2):231–48.
Kutyniok G. Linear independence of time–frequency shifts under a generalized Schrödinger representation. Arch Math. (Basel) 2002;78:135–44.
Linnell PA. Analytic versions of the zero divisor conjecture. In: Kropholler PH, Niblo GA, Stöhr R, Editors. Geometry and cohomology in group theory. London Mathematical Society Lecture Note Ser., Vol. 252. Cambridge: Cambridge University Press; 1998. p. 209–48.
Linnell PA. Von Neumann algebras and linear independence of translates. Proc Am Math Soc. 1999;127:3269–77.
Passman DS. The algebraic structure of group rings. New York: Wiley-Interscience; 1977.
Rosenblatt J. Linear independence of translations. Int J Pure Appl Math. 2008;45:463–73.
Snider RL. The zero divisor conjecture. In: McDonald BR, Morris RA, Editors. Ring theory, II. Lecture notes in pure and applied mathematics. Vol. 26. New York: Dekker; 1977. p. 261–95.
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Heil, C., Speegle∗, D. (2015). The HRT Conjecture and the Zero Divisor Conjecture for the Heisenberg Group. In: Balan, R., Begué, M., Benedetto, J., Czaja, W., Okoudjou, K. (eds) Excursions in Harmonic Analysis, Volume 3. Applied and Numerical Harmonic Analysis. Birkhäuser, Cham. https://doi.org/10.1007/978-3-319-13230-3_7
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