Schmã¼dgen (3 results)

Hardcover. Condition: Good. Ex-library copy with usual markings.

Hardcover. Condition: Near Fine. No Dust Jacket. First Edition; First Impression. Very minor shelf wear ONLY.; Algebras of unbounded operators in Hilbert space naturally arise in unitary representation theory of Lie groups and quantum field theory. They appear as representations of Lie algebras or as field operator systems. While some foundational tools, such as the weak commutant, were introduced earlier, a systematic study began in the 1970s, led by Borchers, Lassner, Powers, Uhlmann, and Vasiliev. The theory connects with areas like von Neumann algebras, locally convex spaces, distribution theory, and noncommutative probability.; 17.7 x 23.6 x 2.9 cm; 380 pages.…

paperback. Condition: Good. Our good condition books are generally good for reading but not for gifting or collecting. They could have imperfections such as creasing, fanning, inscriptions, margin notes, yellowing, staining on edge or cover or pages, bumps, scuffs, etc etc (sometimes multiple of these). It's a wide category that encompasses anything that isn't almost-new down to anything that is slightly better than poor. We would NOT recommend gifting Good books - these should be considered reading copies. Our books are dispatched from a Yorkshire former cotton mill. We list via barcode/ISBN so please note that the images are stock images and may not be the exact copy you receive, furthermore the details about edition and year might not be accurate as many publishers reuse the same ISBN for multiple editions and as we simply scan a barcode or enter an ISBN we do not check the validity of the edition data when listing. If you're looking for an exact edition please don't order (at least not without checking with us first, although we don't always have time to check). We aim to dispatch prompty, the service used will depend on order value and book size. We can ship to most countries, see our shipping policies. Payment is via Abe only.…