cobble
发表于 2025-3-21 19:57:28
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uveitis
发表于 2025-3-21 22:31:51
Deformed Gauge Theoriesal gauge theories, but several changes are forced upon us. The Leibniz rule has to be changed such that the theory is now based on a twisted Hopf algebra. Nevertheless, this twisted symmetry structure leads to conservation laws. The symmetry has to be extended from Lie algebra valued to enveloping a
滑稽
发表于 2025-3-22 02:06:22
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泥土谦卑
发表于 2025-3-22 07:52:47
Deformed Gauge Theory: Twist Versus Seiberg–Witten Approachormations is unchanged, but the Leibniz rule is changed (compared with gauge theories on commutative space). Consistency of the equations of motion requires enveloping algebravalued gauge fields, which leads to new degrees of freedom. In the second approach we have to go to the enveloping algebra ag
Lime石灰
发表于 2025-3-22 08:43:25
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fastness
发表于 2025-3-22 13:33:36
Noncommutative Spacesefore complement the previous chapters where noncommutative spaces have been described by the commutation relations of their coordinates. The full algebraic description of ordinary (commutative) spaces requires the completion of the algebra of coordinates into a .-algebra, this encodes the Hausdorff
法官
发表于 2025-3-22 17:07:39
Noncommutative Symmetries and Gravityacetime diffeomorphisms are twisted into noncommutative diffeomorphisms. Their deformed Lie algebra structure and that of infinitesimal Poincaré transformations is defined and explicitly constructed. We can then define covariant derivatives (that implement the principle of general covariance on nonc
牛的细微差别
发表于 2025-3-22 21:44:55
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占卜者
发表于 2025-3-23 04:25:56
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Condescending
发表于 2025-3-23 07:48:16
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