{"paper":{"title":"An extension of the Wright's 3/2-theorem for the KPP-Fisher delayed equation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.CA","authors_text":"Karel Hasik, Sergei Trofimchuk","submitted_at":"2013-02-05T17:52:04Z","abstract_excerpt":"We present a short proof of the following natural extension of the famous Wright's 3/2-stability theorem: the conditions $\\tau \\leq 3/2, \\ c \\geq 2$ imply the presence of the positive traveling fronts (not necessarily monotone) $u = \\phi(x\\cdot \\nu+ct), \\ |\\nu| =1,$ in the delayed KPP-Fisher equation $u_t(t,x) = \\Delta u(t,x) + u(t,x)(1-u(t-\\tau,x))$, $u\\geq 0,$ $x \\in \\R^m.$"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.1132","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}