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Contact Process in a Wedge

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Abstract

We prove that the supercritical one-dimensional contact process survives in certain wedge-like space-time regions, and that when it survives it couples with the unrestricted contact process started from its upper invariant measure. As an application we show that a type of weak coexistence is possible in the nearest-neighbor “grass-bushes-trees” successional model introduced in Durrett and Swindle (Stoch. Proc. Appl. 37:19–31, 1991).

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Correspondence to Nevena Marić.

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J.T. Cox was supported in part by NSF Grant No. 0803517.

N. Marić was supported in part by NSF Grant No. 0803517.

R. Schinazi was supported in part by NSF Grant No. 0701396.

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Cox, J.T., Marić, N. & Schinazi, R. Contact Process in a Wedge. J Stat Phys 139, 506–517 (2010). https://doi.org/10.1007/s10955-010-9950-7

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  • DOI: https://doi.org/10.1007/s10955-010-9950-7

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