We study the Cauchy problem for a degenerate parabolic equation with source and inhomogeneous density of the form
in the case where the initial function slowly vanishes as |x| → ∞: We establish conditions for the existence and nonexistence of a global (in time) solution. These conditions strongly depend on the behavior of the initial data as |x| → ∞: In the case of global solvability, we establish a sharp estimate of the solution for large times.
Similar content being viewed by others
References
H. Fujita, “On the blowing up of solutions to the Cauchy problem for u t = ∆u + u 1 + α,” J. Fac. Sci. Univ. Tokyo, Sec. I, 13, 109–124 (1966).
A. A. Samarskii, V. A. Galaktionov, S. P. Kurdyumov, and A. P. Mikhailov, “On unbounded solutions of the Cauchy problem for the parabolic equation u t = ∇(u σ∇u)u + u β;” Dokl. Akad. Nauk SSSR, 252, No. 6, 1362–1364 (1980).
A. A. Samarskii, V. A. Galaktionov, S. P. Kurdyumov, and A. P. Mikhailov, Modes with Peaking in the Problems for Quasilinear Parabolic Equations [in Russian], Nauka, Moscow (1987).
D. Andreucci and E. Di Benedetto, “On the Cauchy problem and initial traces for a class of evolution equations with strongly nonlinear sources equations,” Ann. Sci. Norm. Super. Pisa, 18, 363–441 (1991).
V. A. Galaktionov, “On the conditions of absence of global solutions for a class of quasilinear parabolic equations,” Zh. Vychisl. Mat. Mat. Fiz., 22, No. 2, 322–338 (1982).
V. A. Galaktionov and H. A. Levine, “A general approach to critical Fujita exponents and systems,” Nonlin. Anal., 34, 1005–1027 (1998).
D. Andreucci and A. F. Tedeev, “A Fujita type result for degenerate Neumann problem in domains with noncompact boundary,” J. Math. Anal. Appl., 231, 543–567 (1999).
K. Hayakawa, “On nonexistence of global solutions of some semilinear parabolic differential equations,” Proc. Jpn. Acad., Ser. A, Math. Sci., 49, 503–505 (1973).
H. A. Levine, “The role of critical exponents in blow up theorems,” SIAM Rev., 32, 262–288 (1990).
K. Deng and H. A. Levine, “The role of critical exponents in blow up theorems: The sequel,” J. Math. Anal. Appl., 243, 85–126 (2000).
S. Kamin and P. Rosenau, “Nonlinear diffusion in a finite mass medium,” Comm. Pure Appl. Math., 35, 113–127 (1982).
S. Kamin and P. Rosenau, “Propagation of thermal waves in an inhomogeneous medium,” Comm. Pure Appl. Math., 34, 831–852 (1981).
S. Kamin and R. Kersner, “Disappearance of interfaces in finite time,” Meccanica, 28, 117–120 (1993).
M. Guedda, D. Hilhorst, and M. A. Peletier, “Disappearing interfaces in nonlinear diffusion,” Adv. Math. Sci. Appl., 7, 695–710 (1997).
V. A. Galaktionov and J. R. King, “On the behavior of blow-up interfaces for an inhomogeneous filtration equation,” J. Appl. Math., 57, 53–77 (1996).
R. Kersner, G. Reyes, and A. Tesei, “On a class of nonlinear parabolic equations with variable density and absorption,” Adv. Different. Equat., 7, No. 2, 155–176 (2002).
V. A. Galaktionov, S. Kamin, R. Kersner, and J. L. Vazquez, “Intermediate asymptotics for inhomogeneous nonlinear heat conduction,” J. Math. Sci., 120, No. 3, 1277–1294 (2004).
A. F. Tedeev, “Conditions for the existence and nonexistence of the global (in time) compact support of solutions to the Cauchy problem for quasilinear degenerating parabolic equations,” Sib. Mat. Zh., 45, No. 1, 189–200 (2004).
A. F. Tedeev, “The interface blow-up phenomenon and local estimates for doubly degenerate parabolic equations,” Appl. Anal., 86, No. 6, 755–782 (2007).
Y. W. Qi, “The critical exponents of parabolic equations and blow-up in \( {{\mathbb{R}}^n} \),” Proc. Roy. Soc. Edinburgh A, 128, 123–136 (1998).
Y. W. Qi and M. X. Wang, “Critical exponents of quasilinear parabolic equations,” J. Math. Anal. Appl., 267, 264–280 (2002).
X. Liu and M. Wang, “The critical exponent of doubly singular parabolic equations,” J. Math. Anal. Appl., 257, 170–188 (2001).
D. Andreucci and A. F. Tedeev, “Universal bounds at the blow-up time for nonlinear parabolic equations,” Adv. Different. Equat., 10, No. 1, 89–120 (2005).
A. V. Martynenko and A. F. Tedeev, “Cauchy problem for the quasilinear parabolic equation with source and inhomogeneous density,” Zh. Vychisl. Mat. Mat. Fiz., 47, No. 2, 245–255 (2007).
P. Cianci, A. V. Martynenko, and A. F. Tedeev, “The blow-up phenomenon for degenerate parabolic equations with variable coefficient and nonlinear source,” Nonlin. Anal.: Theory, Meth. Appl., 73, No. 7, 2310–2323 (2010).
A. V. Martynenko and A. F. Tedeev, “On the behavior of solutions of the Cauchy problem for the degenerating parabolic equation with inhomogeneous density and source,” Zh. Vychisl. Mat. Mat. Fiz., 48, No. 7, 1214–1229 (2008).
C. Wang and S. Zheng, “Critical Fujita exponents of degenerate and singular parabolic equations coefficient and nonlinear source,” Proc. Roy. Soc. Edinburgh, A, 136, 415–430 (2006).
K. Mukai, K. Mochuzuki, and Q. Huang, “Large time behavior and life span for a quasilinear parabolic equation with slow decay initial values,” Nonlin. Anal., 39A, No. 1, 33–45 (2000).
A. V. Martynenko, A. F. Tedeev, and V. N. Shramenko, “Cauchy problem for the degenerating parabolic equation with inhomogeneous density and source in the class of initial functions slowly approaching zero,” Izv. Ros. Akad. Nauk, Ser. Mat., 76, No. 3, 139–156 (2012).
N. V. Afanas’eva and A. F. Tedeev, “Fujita-type theorems for quasilinear parabolic equations in the case of slowly vanishing initial data,” Mat. Sb., 195, No. 4, 3–22 (2004).
D. Andreucci, “Degenerate parabolic equations with initial data measures,” Trans. Amer. Math. Soc., 340, No. 10, 3911–3923 (1997).
F. Bernis, “Existence results for doubly nonlinear higher order parabolic equations on unbounded domains,” Math. Ann., 279, 373–394 (1988).
H. W. Alt and S. Luckhaus, “Quasilinear elliptic-parabolic differential equations,” Math. Z., 183, 311–341 (1983).
A. V. Martynenko and A. F. Tedeev, “Regularity of solutions of degenerating parabolic equations with inhomogeneous density,” Ukr. Mat. Vestn., 5, No. 1, 116–145 (2008).
Author information
Authors and Affiliations
Additional information
Translated from Ukrains’kyi Matematychnyi Zhurnal, Vol. 64, No. 11, pp. 1500–1515, November, 2012.
Rights and permissions
About this article
Cite this article
Martynenko, A.V., Tedeev, A.F. & Shramenko, V.N. On the behavior of solutions of the Cauchy problem for a degenerate parabolic equation with source in the case where the initial function slowly vanishes. Ukr Math J 64, 1698–1715 (2013). https://doi.org/10.1007/s11253-013-0745-2
Received:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s11253-013-0745-2