The Sirens of Eleven Dimensions
نویسنده
چکیده
While most theorists are tied to the mast of four dimensions, some have found it irresistible to speculate about eleven dimensions, the domain of M-theory. We outline a program which starts from the light-cone description of supergravity, and tracks its divergences to suggest the existence of an infinite component theory which in the light-cone relies on the coset F4/SO(9), long known to be linked to the Exceptional Jordan Algebra
منابع مشابه
"You've Been Warned?": Public Perceptions of Outdoor Sirens and Their Alternatives for Tornadoes
Outdoor emergency sirens are used as a major component of the Emergency Management Agency’s Emergency Alert and Notification System in tornado-prone Alabama and many other areas of the U.S. This study examines public perceptions and reactions to the sirens for notification of tornadoes as well as perceptions of the usefulness of alternative means of notification. In April 2011 a major tornado s...
متن کاملMultidimensional analysis of complex networks
The analysis of Complex Networks turn out to be a very promising field of research, testified by many research projects and works that span different fields. Until recently, those analysis have been usually focused on deeply characterize a single aspect of the system, therefore a study that considers many informative axes along with a network evolve is lacking. In this Thesis, we propose a new ...
متن کاملShort GRB and Binary Black Hole Standard Sirens as a Probe of Dark Energy
Observations of the gravitational radiation from well-localized, inspiraling compact-object binaries can measure absolute source distances with high accuracy. When coupled with an independent determination of redshift through an electromagnetic counterpart, these standard sirens can provide an excellent probe of the expansion history of the Universe and the dark energy. Short γ-ray bursts, if p...
متن کاملOccupational exposure to noise from authorized emergency vehicle sirens.
Warning signals generated by sirens of authorized emergency vehicles should be audible and recognizable to all road users. Currently, there is no legislation in Poland defining sound pressure levels (SPLs) of audible warning signals generated by sirens of authorized emergency vehicles. Measured A-weighted SPLs of those signals range between 104 and 108 dB. While for road users, an audible warni...
متن کاملPartial cystectomy for invasive bladder: the sirens' song?
© The Canadian Journal of UrologyTM; 21(6); December 2014 Address correspondence to Dr. Daniel J. Canter, Einstein Health Network, 60 E. Township Line Road, Elkins Park, PA 19027 USA Partial cystectomy for invasive bladder: the sirens’ song? Daniel J. Canter, MD1,2,3 1Einstein Health Network, Philadelphia, Pennsylvania, USA 2Urologic Institute of Southeastern Pennsylvania, Philadelphia, Pennsyl...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
دوره شماره
صفحات -
تاریخ انتشار 2004