Geodesic
On the maximum principle for a class of nonlinear parabolic equations
Vestnik Samarskogo universiteta. Estestvennonaučnaâ seriâ, no. 6 (2015), pp. 89-92

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In this paper, we consider solutions of nonlinear parabolic equations in the half-space. It is well-known that, in the case of linear equations, one needs to impose additional conditions on solutions for the validity of the maximum principle. The most famous of them are the conditions of Tikhonov and Täcklind. We show that such restrictions are not needed for a wide class of nonlinear equations. In so doing, the coefficients of lower-order derivatives can grow arbitrarily as the spatial variables tend to infinity. We give an example which demonstrates an application of the obtained results for nonlinearities of the Emden–Fowler type.
Mots-clés : parabolic equations, Täcklind's condition.
Keywords: maximum principle, nonlinear differential operators, Tikhonov's condition 
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     author = {A. A. Kon'kov},
     title = {On the maximum principle for a class of nonlinear parabolic equations},
     journal = {Vestnik Samarskogo universiteta. Estestvennonau\v{c}na\^a seri\^a},
     pages = {89--92},
     publisher = {mathdoc},
     number = {6},
     year = {2015},
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     url = {http://geodesic.mathdoc.fr/item/VSGU_2015_6_a10/}
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A. A. Kon'kov. On the maximum principle for a class of nonlinear parabolic equations. Vestnik Samarskogo universiteta. Estestvennonaučnaâ seriâ, no. 6 (2015), pp. 89-92. http://geodesic.mathdoc.fr/item/VSGU_2015_6_a10/