DIAS-STP-08-05 Constraints from CMB on spacetime noncommutativity and causality violation. E. Akofor, A.P. Balachandran, A. Joseph, B.A. Qureshi & L. Pekowsky This preprint is available on Arxiv.org This preprint is available for download : Portable Document Format (Size: 180K) Postscript (Size: 96K) To obtain copies of any of the preprints in the archives, please contact … Continue reading 2008-05 – Constraints from CMB on spacetime noncommutativity and causality violation.