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I am assuming the final equality g g g 2 g g g 2 sqrt g g mu nu delta g mu nu

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Using the description of field theory and it s true both in classical field theory and quantum field theory fields interact

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Q A for active researchers academics and students of physics

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Most secondary school textbooks in their chapter about fluid dynamics seem to suggest that steady flow and

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I know this is an old and already answered question but I thought I d elaborate a bit on what s going on behind the scenes When

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If you forget about the affine ness for a moment you can parametrize a null geodesic in any way you want Actually you can

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To add or subtract moments of inertia of a global element the different parts of this element must be calculated according to THE

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gj255 it s not true that SU 2 U 1 S U 2 U 1 mathrm S mathrm U 2 times mathrm U 1 is isomorphic

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The question is not clear Is det 0 0 ne 0 not the definition of non degeneracy Do you know a different