Doctora Mathématiques
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Item Limit cycles of continuous and discontinuous piecewise differential systems separated by straight line and formed by two arbitrary quadratic centers(UNIVERSITY BBA, 2024-06-12) Imane Benabdallah, BenabdallahOur thesisisdevotedtosolvingasignificantandchallengingissueinthequalitativetheory of differentialsystemscalledthesixteenthHilbertproblem.Moreprecisely,weusethefirst integralstodeterminethemaximumnumberoflimitcyclesofsomefamiliesofdiscontinuous piecewise nonlineardifferentialsystemsseparatedbyastraightline