Existence of pulses for a reaction-diffusion system of blood coagulation

Nicolas Ratto, Martine Marion, Vitaly A. Volpert


The paper is devoted to the investigation of a reaction-diffusion system of equations describing the process of blood coagulation. Existence of pulse solutions, that is, positive stationary solutions with zero limit at infinity is studied. It is shown that such solutions exist if and only if the speed of the travelling wave described by the same system is positive. The proof is based on the Leray-Schauder method using topological degree for elliptic problems in unbounded domains and a priori estimates of solutions in some appropriate weighted spaces.


Reaction-diffusion system; blood coagulation; existence of pulses; Leray-Schauder method

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