JournalspmVol. 78, No. 1

Volume 78, No. 1 (2021)

Portugaliae Mathematica

Port. Math. cover

pp. 1–41
Courant-sharp property for Dirichlet eigenfunctions on the Möbius strip
Pierre BérardBernard HelfferRola Kiwan
DOI 10.4171/PM/2059
pp. 43–63
Stability conditions for reversible and partially integrable systems
Claudio A. BuzziLuci Any F. RobertoMarco A. Teixeira
DOI 10.4171/PM/2060
pp. 65–99
The cost of approximate controllability of heat equation with general dynamical boundary conditions
Idriss BoutaayamouSalah-Eddine ChorfiLahcen ManiarOmar Oukdach
DOI 10.4171/PM/2061
pp. 101–128
On the asymptotic behavior of high order moments for a family of Schrödinger equations
Nikolay TzvetkovNicola Visciglia
DOI 10.4171/PM/2062