Re: [math-fun] discrete version of exp(d/dz)

From: "mcintosh@servidor.unam.mx" <mcintosh@servidor.unam.mx> To: Dan Asimov <dasimov@earthlink.net>; math-fun <math-fun@mailman.xmission.com>; Dan Asimov <dasimov@earthlink.net> Cc: mcintosh@servidor.unam.mx Sent: Mon, December 28, 2009 1:24:53 PM Subject: Re: [math-fun] discrete version of exp(d/dz) .... Wintner's paper, as I recall, used the trace argument and the ladder operators had infinite traces, so there was a convergence anomaly; in 1950 this did seem to strike at the roots of quantum mechanics. -hvm ________________________________ Can you explain the "strike at the roots of quantum mechanics"? -- Gene