Maximum and antimaximum principles for a second order differential operator with variable coefficients of indefinite sign. (English) Zbl 1235.34064

Hakl, Robert; Torres, Pedro J.

Appl. Math. Comput. 217, No. 19, 7599-7611 (2011).

The authors study criteria for the existence of a maximum or anti-maximum principle of a general second order operator with periodic conditions and conditions for non-resonance.

Reviewer: Alfonso Montes-Rodriguez (Sevilla)

MSC:

34B15

Nonlinear boundary value problems for ordinary differential equations

Keywords:

maximum principle; anti-maximum principle; differential operators

References:

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