This article deals with - estimates for solutions of the wave equation associated to the Grushin operator on . We make use of the boundedness of Riesz transforms for the Grushin operator in studying the wave equation.
Funding statement: The work of the first author is supported by J. C. Bose National Fellowship from the Department of Science and Technology (DST), India. The work of the second author is supported by the Department of Science and Technology (DST), India and Indian Institute of Technology Hyderabad, India.
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