Electronic Journal of Differential Equations, Vol. 2007(2007), No. 165, pp. 1-6. Title: Space dimension can prevent the blow-up of solutions for parabolic problems Author: Alkis S. Tersenov (Univ. of Crete, Greece) Abstract: In the present paper, we investigate the preventive role of space dimension for semilinear parabolic problems. Conditions guaranteeing the absence of the blow-up of the solutions are formulated. Submitted May 16, 2007. Published November 30, 2007. Math Subject Classifications: 35K57. Key Words: Semilinear parabolic equations; a priori estimates; blow-up.