let us suppose
51On the Nature of Things — (Latin: De rerum natura ) is a first century BC poem by the Roman poet and philosopher Lucretius with the goal of explaining Epicurean philosophy to a Roman audience. The poem is divided into six books, and concentrates heavily on Epicurean… …
52Von Neumann entropy — In quantum statistical mechanics, von Neumann entropy refers to the extension of classical entropy concepts to the field of quantum mechanics.John von Neumann rigorously established the correct mathematical framework for quantum mechanics with… …
53Ralph P. Boas, Jr — Ralph Philip Boas, Jr (August 8, 1912 July 25, 1992) was a mathematician, teacher, and journal editor. He wroteover 200 papers, mainly in the fields of real and complex analysis.He was born in Walla Walla, Washington and got his A.B. degree and… …
54Dangerously irrelevant — In statistical mechanics and quantum field theory, a dangerously irrelevant operator is an operator which is irrelevant, but yet affects the infrared physics significantly because the vacuum expectation value of some field depends sensitively… …
55Disgregation — In the history of thermodynamics, disgregation was defined in 1862 by Rudolf Clausius as the magnitude of the degree in which the molecules of a body are separated from each other.[1] This term was modeled on certain passages in French physicist… …
56Alberti cipher — The Alberti Cipher was one of the first polyalphabetic ciphers. Leon Battista Alberti Created in the 15th century (1466/67) by Leon Battista Alberti, it was the peak of cryptography at that time.Its inventor was Leon Battista Alberti, an… …
57Van Gogh's family in his art — Memory of the Garden at Etten Artist Vincent van Gogh Year 1888 Type Oil on canvas Location The Hermitage, St. Petersburg, Russia (F496) …
58Dangerously irrelevant operator — In statistical mechanics and quantum field theory, a dangerously irrelevant operator (or dangerous irrelevant operator) is an operator which is irrelevant, yet affects the infrared physics significantly because the vacuum expectation value of… …
59De rerum natura — On the Nature of Things redirects here. For the documentary television series, see The Nature of Things. Penguin Books Classic edition of De rerum natura, under the title The Nature of Things, translated by A. E. Stallings De rerum natura (On the …
60Ralph Boas — Ralph P. Boas junior (* 8. August 1912 in Walla Walla, Washington; † 25. Juli 1992 in Seattle) war ein US amerikanischer Mathematiker, der sich mit Topologie und Analysis beschäftigte. Inhaltsverzeichnis 1 Leben und Werk 2 Anekdoten …
