caa a22 4500 605496625 CHVBK 20210128100537.0 cr unu---uuuuu 210128e20150401xx s 000 0 eng 10.1007/s10231-013-0381-3 doi (NATIONALLICENCE)springer-10.1007/s10231-013-0381-3 A new result on backward uniqueness for parabolic operators [Elektronische Daten] [Daniele Del Santo, Martino Prizzi] Using Bony's paramultiplication, we improve a previous backward uniqueness result for parabolic operators having coefficients non-Lipschitz continuous with respect to $$t$$ t but $${\mathcal {C}}^2$$ C 2 with respect to $$x$$ x (see Del Santo and Prizzi in J. Math. Pures Appl. 84:471-491, 2005), showing that a similar result is valid when $${\mathcal {C}}^2$$ C 2 regularity in $$x$$ x is replaced by Lipschitz regularity in $$x$$ x . Fondazione Annali di Matematica Pura ed Applicata and Springer-Verlag Berlin Heidelberg, 2014 Parabolic equations nationallicence Backward uniqueness nationallicence Bony's paramultiplication nationallicence Del Santo Daniele Dipartimento di Matematica e Geoscienze, Università di Trieste, Via A.Valerio 12/1, 34127, Trieste, Italy aut Prizzi Martino Dipartimento di Matematica e Geoscienze, Università di Trieste, Via A.Valerio 12/1, 34127, Trieste, Italy aut Annali di Matematica Pura ed Applicata (1923 -) Springer Berlin Heidelberg 194/2(2015-04-01), 387-403 0373-3114 194:2<387 2015 194 10231 https://doi.org/10.1007/s10231-013-0381-3 text/html Onlinezugriff via DOI BK010053 XK010053 XK010000 Metadata rights reserved Springer special CC-BY-NC licence nationallicence 1 research-article jats NATIONALLICENCE NATIONALLICENCE NL-springer NATIONALLICENCE 856 40 https://doi.org/10.1007/s10231-013-0381-3 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Del Santo Daniele Dipartimento di Matematica e Geoscienze, Università di Trieste, Via A.Valerio 12/1, 34127, Trieste, Italy aut NATIONALLICENCE 700 1- Prizzi Martino Dipartimento di Matematica e Geoscienze, Università di Trieste, Via A.Valerio 12/1, 34127, Trieste, Italy aut NATIONALLICENCE 773 0- Annali di Matematica Pura ed Applicata (1923 -) Springer Berlin Heidelberg 194/2(2015-04-01), 387-403 0373-3114 194:2<387 2015 194 10231