Gradient estimates, Harnack inequalities and estimates for heat kernels of the sum of squares of vector fields.
Yau, Shing-Tung ; Cao, Huai-Dong
Mathematische Zeitschrift, Tome 209 (1992), p. 485-504 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1992-01-01
EUDML-ID : urn:eudml:doc:174454 
@article{GDZPPN002440857,
     title = {Gradient estimates, Harnack inequalities and estimates for heat kernels of the sum of squares of vector fields.},
     journal = {Mathematische Zeitschrift},
     volume = {209},
     year = {1992},
     pages = {485-504},
     zbl = {0808.58037},
     url = {http://dml.mathdoc.fr/item/GDZPPN002440857}
}

Yau, Shing-Tung; Cao, Huai-Dong. Gradient estimates, Harnack inequalities and estimates for heat kernels of the sum of squares of vector fields.. Mathematische Zeitschrift, Tome 209 (1992) pp. 485-504. http://gdmltest.u-ga.fr/item/GDZPPN002440857/