Stability of a non-commutative Jackiw–Teitelboim gravity D.V. Vassilevich, R. Fresneda and D.M. Gitman Eur. Phys. J. C, 47 1 (2006) 235-240 Published online: 15 May 2006 DOI: 10.1140/epjc/s2006-02544-4