JournalspmVol. 79, No. 1/2

Volume 79, No. 1/2 (2022)

Portugaliae Mathematica

S2O

Articles of this issue are accessible as open access under our subscribe to open model.

Port. Math. cover

pp. 1–28
The $b$ -function with respect to weights of hypergeometric ideals of codimension one
Helena Cobo
DOI 10.4171/PM/2076
pp. 29–43
A short proof of a theorem of Cotti, Dubrovin and Guzzetti
Claude Sabbah
DOI 10.4171/PM/2077
pp. 45–60
Approximation to the classical fractals by using non-affine contraction mappings
Nisa Aslanİsmail Aslan
DOI 10.4171/PM/2078
pp. 61–83
The obstacle problem for noncoercive elliptic equations with variable growth and $L^{1}$ -data
Hocine AyadiFares MokhtariRezak Souilah
DOI 10.4171/PM/2079
pp. 85–161
Overdetermined ODEs and rigid periodic states in network dynamics
Ian Stewart
DOI 10.4171/PM/2080
pp. 163–197
Automorphisms of tropical Hassett spaces
Sam FreedmanJoseph HlavinkaSiddarth Kannan
DOI 10.4171/PM/2075
pp. 199–210
A fixed point result for mappings on the $ℓ_{\infty}$ -sum of a closed and convex set based on the degree of nondensifiability
Gonzalo García
DOI 10.4171/PM/2081