Zobrazeno 1 - 5
of 5
pro vyhledávání: '"Maria Elisa Anacleto"'
Publikováno v:
Boletín de la Sociedad Matemática Mexicana. 29
Publikováno v:
Rendiconti del Circolo Matematico di Palermo Series 2. 72:1739-1750
Autor:
Claudio Vidal, Maria Elisa Anacleto
Publikováno v:
Mathematical Methods in the Applied Sciences. 43:5708-5728
Publikováno v:
Nonlinear Analysis: Real World Applications
Publikováno v:
Nonlinear Analysis: Real World Applications. 60:103281
We show that discontinuous planar piecewise differential systems formed by linear centers and separated by two concentric circles can have at most three limit cycles. Usually is a difficult problem to provide the exact upper bound that a class of dif