JournalspmVol. 79, No. 1/2

Volume 79, No. 1/2 (2022)

Portugaliae Mathematica

Port. Math. cover

S2O

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

pp. 1–28
The $b$ -function with respect to weights of hypergeometric ideals of codimension one
Helena Cobo
pp. 29–43
A short proof of a theorem of Cotti, Dubrovin and Guzzetti
Claude Sabbah
pp. 45–60
Approximation to the classical fractals by using non-affine contraction mappings
Nisa Aslanİsmail Aslan
pp. 61–83
The obstacle problem for noncoercive elliptic equations with variable growth and $L^{1}$ -data
Hocine AyadiFares MokhtariRezak Souilah
pp. 85–161
Overdetermined ODEs and rigid periodic states in network dynamics
Ian Stewart
pp. 163–197
Automorphisms of tropical Hassett spaces
Sam FreedmanJoseph HlavinkaSiddarth Kannan
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