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Quantization usually means the association of a Hilbert space to the classical phase space (in our case a Poisson manifold). However, in deformation quantization, this task is achieved indirectly, first through the construction of an associative $C^*$ algebra, in this case the deformed algebra of functions equipped with a star product which serves as the ...

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Comment: A Prof once said to me you should read the abstract, look at the pictures, then read the conclusion at the end, and then start reading the paper. It's only an overhead of minutes and you're slightly less lost and get an idea what the author thinks the value of the paper is. What I also like to do when taking notes is keeping in mind the search ...

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These scams typically operate in a very formulaic manner: first they make large press releases for the concept, ask for funding, find funding, make press releases claiming they are a year away from releasing a gigantic version of it, cite technical difficulties when the release date passes and ask for more funding, and so on. They never ask for funding to ...

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Now my question: Does this make sense? No. Or is it just esoteric hocuspocus? Yes. I didn't watch the video but read the text. Before mentioning the mechanism they tell you about their patents to make themselves seem legitimate. (first "red flag".) They claim that their product work by harnessing Earth Energy. "Earth Energy is electromagnetic ...

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Giving a precise answer to this is I suspect impossible, as the very notion of physical existence is quite subjective. Please therefore treat this answer as subjective - I would not expect all physicists to agree with it. But here goes… As a first stab, I’d be inclined to reason a bit like this: Your suggested philosophical definition of ‘having extension ...

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The first major step would be calculus. Really just becoming familiar with integration and differentiation on all types of functions. From there a little knowledge on differential equations can go a long way. Knowing just this can get you solving some basic problems. "Early Transcendentals" by Thomas is a good calculus book. Then there are some nice ...

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Assuming you mean a BS degree in Physics, she can get any job which only requires a BS degree. Since only the 4th year (of a typical 4 year study) is used to specialize (EE, CH, Phy, Math, etc.), these degrees are 75% the "same." Most hiring managers know this, that is why the specialty is not very important in the hiring process. What is most important is ...

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There is a recent textbook which gives a fairly complete and concise presentation of group theory, covering both structure and representations of both finite and continuous (Lie) groups, with a brief discussion on applications to music (finite groups) and elementary particles (Lie groups). The target level is advanced undergraduate and beginning graduate. It ...

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