Geodesic stability and quasinormal modes of non-commutative Schwarzschild black hole employing Lyapunov exponentShobhit Giri, Hemwati Nandan, Lokesh Kumar Joshi and Sunil D. MaharajEur. Phys. J. Plus, 137 2 (2022) 181DOI: https://doi.org/10.1140/epjp/s13360-022-02403-5