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Lemma 2.4 at page 8page 8 of these lecture notes on viscosity solutions theory is a classical and frequently used result in viscosity solutions theory.
Does the lemma (and its proof) hold true if we replace "local" with "global" throughout?
Lemma 2.4 at page 8 of these lecture notes is a classical result in viscosity solutions theory.
Lemma 2.4 at page 8 of these lecture notes on viscosity solutions theory is a classical and frequently used result.
Does the lemma (and its proof) hold true if we replace "local""local" with "global""global" throughout?