DV Gorbachev, VI Ivanov… - International Mathematics …, 2016 - academic.oup.com
We study the two-parameter family of unitary operators F k, a= exp (i π 2 a (2〈 k〉+ d+ a− 2))
exp (i π 2 a Δ k, a), which are called (k, a)-generalized Fourier transforms and defined by the …