TY - JOUR AU - Akbarbaglu, I. AU - Maghsoudi, S. AU - Seoane Sepúlveda, Juan Benigno PY - 2016 DO - http://dx.doi.org. 10.1007/s13398-014-0215-1 SN - 15787303 UR - https://hdl.handle.net/20.500.14352/24391 T2 - Revista de la Real Academia de Ciencias Exactas, Fisicas y Naturales - Serie A: Matematicas AB - In this paper, we consider the size of the set ( f, g) ∈ p(S) × q (S) : ∃ x ∈ S, | f |∗|g|(x) < ∞ , where p ∈ (1, +∞), q ∈ (0, +∞], and S stands for a discrete semigroup. In particular, we prove that if S is an infinite discrete semigroup, p ∈ (1,... LA - eng M2 - 7 PB - Springer Milan KW - Lebesgue space KW - σ-c-Lower porous set KW - Semigroup KW - Convolution TI - Porosity and the lp-conjecture for semigroups TY - journal article VL - 110 ER -