quantum groups and noncommutative spaces - persps on quantum geometry - m marcolli, d parashar (teubner, 2011) ww

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Ngày tải lên: 31/03/2014, 16:18

... the conformal anomaly is not canceled? For example, if we look at the - model just as a stat istical system of two-dimensional surfaces embedded into d- dimensional space and having so me internal ... cosmological constant. Then the conformal mode of the metric becomes a dynamical field and one should ga uge fix only the world sheet diffeomorphisms. It can be done, for example, using the...

Ngày tải lên: 17/03/2014, 14:41

... complete sample calculations. We have made every effort to include in the derivations all assumptions and all mathematical steps implied, avoiding omission of supposedly ‘trivial’ information. Much ... is derived and used as an alternative description of continuous quantum systems. Section 4 is devoted to a detailed presentation of the harmonic oscillator, introducing algebraic technique...

Ngày tải lên: 17/03/2014, 14:41

... of Clif- ford and Graßmann-Cayley algebras, e.g. Clifford product, Clifford co-product (time- and normal-ordered operator products and correlation functions based on dotted and undot- ted exterior ... exterior wedge products), meet and join products, co-meet and co-join, left and right contraction by arbitrary elements, left and right co-contractions, etc. • We introduce non...

Ngày tải lên: 31/03/2014, 15:07

... cell may be thought of as an immersed bag of fluid with a high concentration of potassium ions on the inside and a high concentration of sodium ions on the outside. These concentration gradients mean ... at deep, important, and long- standing difficulties in the interpretation of physics. Although my model could be disproved by new information from biology, I do not think that it has any...

Ngày tải lên: 18/04/2014, 15:28