cal Abstract Algebraic Logic: Leibniz Equality and Homomorphism Theorems George Voutsadakis Received: 24 May 2006 / Accepted: 28 August 2006 / Published online: 25 October 2006
and abstract phase-locked attractor network models of early olfactory systems Received: 12 May 2005 / Accepted: 18 July 2005 / Published online: 8 September 2005