Algebraically special left-flat spaces and their associated space-times

✍ Scribed by Garry Ludwig

Publisher: Springer US
Year: 1983
Tongue: English
Weight: 527 KB
Volume: 15
Category: Article
ISSN: 0001-7701
DOI: 10.1007/bf00760062

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Left-flat spaces and their associated sp

Left-flat spaces and their associated space-times

✍ Garry Ludwig 📂 Article 📅 1983 🏛 Springer US 🌐 English ⚖ 773 KB

Special prehomogeneous vector spaces ass

Special prehomogeneous vector spaces associated to F4, E6, E7, E8 and simple Jordan algebras of rank 3

✍ Jean-Louis Clerc 📂 Article 📅 2003 🏛 Elsevier Science 🌐 English ⚖ 244 KB

A simple complex Lie algebra has a natural grading g = g -2 ⊕g -1 ⊕g 0 ⊕g 1 ⊕g 2 associated to the highest root. It is related to the quaternionic real form of g. The real rank of the associated symmetric space is shown to be at most 4. When the rank is equal to 4 (i.e., g = A n , C n , G 2 ), the s

Committee reports. Report on patent law

Committee reports. Report on patent law revision**The evidence in support of the Preambles and Resolutions and suggested additions to the copyright, patent and trade-mark laws contained in the first part of our report was not published in the May Journal owing to want of space. I am now sending you the remaining part of the report, by request, as it is considered quite necessary for the members of the Association to have in their hands before the next annual meeting, the entire document for consideration and study. It is believed that this will decidedly facilitate matters and save much time at the annual meeting which otherwise might be used up in unnecessary discussion of the subject.Your Committee wishes to again emphasize that fact that we have no desire to impose our personal views on the Association. The copyright and patent laws were designed to promote progress in science and the useful arts and the trade-mark laws to protect the public from fraud and imposition. It is generally conceded that the laws as now interpreted and applied fall short in accomplishing their purpose. It is therefore incumbent upon the A. Ph. A., representing the pharmacists of America, to suggest proper modifications of the law, of such kind as to secure the very important objects for which they were enacted.—F. E. Stewarcth, Chairman.

📂 Article 📅 1917 🏛 Elsevier ⚖ 359 KB 👁 1 views