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math.AP2014
Bochner-Riesz profile of anharmonic oscillator
Peng Chen, Waldemar Hebisch, Adam Sikora
We investigate spectral multipliers, Bochner-Riesz means and convergence of eigenfunction expansion corresponding to the Schrödinger operator with anharmonic potential ${\mathcal L…
math.AP2014
Grušin operators, Riesz transforms and nilpotent Lie groups
Derek W Robinson, Adam Sikora
We establish that the Riesz transforms of all orders corresponding to the Grušin operator , and the first-order operators $(\nabla_{x},x^ν…