TY - JOUR AU - Romero Ruiz del Portal, Francisco PY - 2004 DO - 10.1016/j.jde.2003.11.002 SN - 0022-0396 UR - https://hdl.handle.net/20.500.14352/50341 T2 - Journal of Differential Equations AB - Let WCR2 be an open subset and f :W-f ðWÞCR2 be an orientation reversing homeomorphism. We prove that if pAW is an isolated and stable fixed point of f then thefixed point index of f at p; iR2 ð f ; pÞ; is 1. We apply our theorem to the study of the... LA - eng M2 - 179 PB - Elsevier KW - Isolated periodic orbits KW - Flows KW - Stability KW - Fixed-point index KW - Prime ends compactification TI - Planar isolated and stable fixed points haveindex =1 TY - journal article VL - 199 ER -