# Limit cycles of discontinuous piecewise differential systems formed by linear centers in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" id="d1e59" altimg="si1.svg"><mml:msup><mml:mrow><mml:mi mathvariant="double-struck">R</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msup></mml:math> and separated by two circles

> Research article (Nonlinear Analysis Real World Applications, 2021) · cited 10× · AI/ML

**Wikidata**: [openalex:W3127793984](https://www.wikidata.org/wiki/openalex:W3127793984)  
**Source**: https://4ort.xyz/entity/limit-cycles-of-discontinuous-piecewise-differential-systems-formed-by-linear-centers-in-mml-math-xmlns-mml-http-www-w3-