{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,28]],"date-time":"2026-02-28T14:56:18Z","timestamp":1772290578056,"version":"3.50.1"},"reference-count":21,"publisher":"World Scientific Pub Co Pte Lt","issue":"03","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Int. J. Bifurcation Chaos"],"published-print":{"date-parts":[[2009,3]]},"abstract":"<jats:p> In this paper, we present a novel method to analyze the behavior of discontinuous piecewise-smooth autonomous systems (denominated Filippov systems) in the planar neighborhood of the discontinuity boundary (DB). The method uses the evaluation of the vector fields on DB to analyze the nonsmooth local dynamics of the Filippov system without the integration of the ODE sets. The method is useful in the detection of nonsmooth bifurcations in Filippov systems. We propose a classification of the points, events and events combinations on DB. This classification is more complete in comparison with the others previously reported. Additional characteristics as flow direction and sliding stability are included explicitly. The lines and the points are characterized with didactic symbols and the exclusive conditions for their existence are based on geometric criterions. Boolean-valued functions are used to formulate the conditions of existence. Different problems are analyzed with the proposed methodology. <\/jats:p>","DOI":"10.1142\/s0218127409023391","type":"journal-article","created":{"date-parts":[[2009,5,28]],"date-time":"2009-05-28T06:49:43Z","timestamp":1243493383000},"page":"947-975","source":"Crossref","is-referenced-by-count":3,"title":["INTEGRATION-FREE ANALYSIS OF NONSMOOTH LOCAL DYNAMICS IN PLANAR FILIPPOV SYSTEMS"],"prefix":"10.1142","volume":"19","author":[{"given":"IV\u00c1N","family":"ARANGO","sequence":"first","affiliation":[{"name":"Department of Mechanics Engineering, Universidad EAFIT, Medell\u00edn, Colombia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"JOHN ALEXANDER","family":"TABORDA","sequence":"additional","affiliation":[{"name":"Department of Electrical and Electronics Engineering and Computer Science, Universidad Nacional de Colombia, Sede Manizales Campus La Nubia, Manizales, Colombia"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"219","published-online":{"date-parts":[[2011,11,20]]},"reference":[{"key":"rf1","doi-asserted-by":"publisher","DOI":"10.1109\/TCSI.2004.841595"},{"key":"rf2","first-page":"36","volume":"1","author":"Arango I.","journal-title":"Int. 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