Some remarks on the comparison principle in Kirchhoff equations
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🧮 math.AP
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kirchhoffsomecomparisonequationsmethodprinciplesub-supersolutionalternative
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In this paper we study the validity of the comparison principle and the sub-supersolution method for Kirchhoff type equations. We show that these principles do not work when the Kirchhoff function is increasing, contradicting some previous results. We give an alternative sub-supersolution method and apply it to some models.
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