Volume 78, No. 2 (2021)
Portugaliae Mathematica
pp. 129–146 Sparse versions of the Cayley–Bacharach theoremLaura Felicia MatusevichBruce Reznick
pp. 147–167 The set of numerical semigroups of a given multiplicity and Frobenius numberManuel B. BrancoIgnacio OjedaJosé Carlos Rosales
pp. 169–185 On Gaussian curvatures and singularities of Gauss maps of cuspidal edgesKeisuke Teramoto
pp. 187–210 Analysis of a bulk-surface thermistor model for large-area organic LEDsAnnegret GlitzkyMatthias LieroGrigor Nika
pp. 211–232 On a free boundary model for three-dimensional MEMS with a hinged top plate: Stationary caseKaterina Nik
pp. 233–253 The Talbot effect as the fundamental solution to the free Schrödinger equationDaniel Eceizabarrena