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On the validity of some new acoustic scattering approximations
Comments on `Free of speckle ultrasonic imaging of soft tissue with account of second harmonic signal'
Directed fixed energy sandpile model
The appearance of the resolved singular hypersurface in the classical phase space of the Lie group SU (n )
Seiberg-Witten-type maps for currents and energy-momentum tensors in noncommutative gauge theories