On the Allen-Cahn equation in theGrushin plane: A monotone entire solution that is notone-dimensional

Isabeau Birindelli; Enrico Valdinoci

doi:10.3934/dcds.2011.29.823

Article Contents

2011, Volume 29, Issue 3: 823-838. Doi: 10.3934/dcds.2011.29.823

This issue Previous Article On the critical nongauge invariant nonlinear Schrödinger equation Next Article Hamiltonian formalism for models of rotating shallow water in semigeostrophic scaling

On the Allen-Cahn equation in the Grushin plane: A monotone entire solution that is not one-dimensional

Isabeau Birindelli^1, and
Enrico Valdinoci^2,

1.
Dipartimento di Matematica, Università di Roma La Sapienza, Piazzale Aldo Moro, 2, I-00185 Roma
2.
Università degli Studi di Milano, Dipartimento di Matematica Via Saldini, 50, 20133 Milano

Received: October 31, 2009

Revised: June 30, 2010

Published: August 2011

Abstract Related Papers Cited by

Abstract

We consider solutions of the Allen-Cahn equation in the whole Grushin plane and we show that if they are monotone in the vertical direction, then they are stable and they satisfy a good energy estimate.
However, they are not necessarily one-dimensional, as a counter-example shows.

Keywords:

Mathematics Subject Classification: Primary: 35J15, 35J62; Secondary: 35H20, 53A35.

Citation:

Related Papers

Cited by

References

[1]	G. Alberti, L. Ambrosio and X. Cabré, On a long-standing conjecture of E. De Giorgi: Symmetry in 3D for general nonlinearities and a local minimality property, Acta Appl. Math., 65 (2001), 9-33. Special issue dedicated to Antonio Avantaggiati on the occasion of his 70th birthday.
[2]	H. Berestycki and L. Nirenberg, On the method of moving planes and the sliding method, Bol. Soc. Bras. Mat., 22 (1991), 1-37.doi: 10.1007/BF01244896.
[3]	T. Bieske, Fundamental solutions to $P$-Laplace equations in Grushin vector fields, preprint (2008), http://shell.cas.usf.edu/~tbieske/.
[4]	I. Birindelli and E. Lanconelli, A negative answer to a one-dimensional symmetry problem in the Heisenberg group, Calc. Var. Partial Differ. Equ., 18 (2003), 357-372.
[5]	I. Birindelli and J. Prajapat, Monotonicity results for nilpotent stratified groups, Pacific J. Math., 204 (2002), 1-17.doi: 10.2140/pjm.2002.204.1.
[6]	E. De Giorgi, Convergence problems for functionals and operators, in "Proceedings of the International Meeting on Recent Method in Nonlinear Analysis (Rome, 1978)," Pitagora, Bologna, (1979), 131-188.
[7]	A. Farina, B. Sciunzi and E. Valdinoci, Bernstein and De Giorgi type problems new results via a geometric approach, Ann. Sc. Norm. Super. Pisa Cl. Sci. (5), 7 (2008), 741-791.
[8]	F. Ferrari and E. Valdinoci, Geometric PDEs in the Grushin plane: Weighted inequalities and flatness of level sets, Int. Math. Res. Not. IMRN, 22 (2009), 4232-4270.
[9]	B. Franchi and E. Lanconelli, Hölder regularity theorem for a class of linear nonuniformly elliptic operators with measurable coefficients, Ann. Scuola Norm. Sup. Pisa Cl. Sci. (4), 10 (1983), 523-541.
[10]	B. Franchi and R. Serapioni, Pointwise estimates for a class of strongly degenerate elliptic operators: A geometrical approach, Ann. Scuola Norm. Sup. Pisa Cl. Sci. (4), 14 (1988), 527-568.
[11]	V. V. Grushin, On a class of hypoelliptic operators, Math. USSR-Sb., 12 (1970), 458-476.doi: 10.1070/SM1970v012n03ABEH000931.
[12]	Q. Han and F. Lin, "Elliptic Partial Differential Equations," Courant Lecture Notes in Mathematics, 1, New York University, Courant Institute of Mathematical Sciences, New York, American Mathematical Society, Providence, RI, 1997.
[13]	N. V. Krylov, Hölder continuity and $L^p$ estimates for elliptic equations under general Hörmander's condition, Topol. Methods Nonlinear Anal., 9 (1997), 249-258.
[14]	N. Th. Varopoulos, L. Coulhon and T. Saloff-Coste, "Analysis and Geometry on Groups," Cambridge Tracts in Mathematics, 100, Cambridge University Press, Cambridge, 1992.