1. Alternative space definitions for P systems with active membranes

   • Artiom Alhazov
   • Alberto Leporati
   • Claudio Zandron

   Regular Paper Open access 16 April 2021 Pages: 87 - 96

2. Travelling salesman problem in tissue P systems with costs

   • Bogdan Aman
   • Gabriel Ciobanu

   Regular Paper 07 May 2021 Pages: 97 - 104

   

3. Division rules for tissue P systems inspired by space filling curves

   • Rodica Ceterchi
   • David Orellana-Martín
   • Gexiang Zhang

   Regular Paper 29 March 2021 Pages: 105 - 115

   

4. Memory associated with membranes systems

   • Gabriel Ciobanu
   • G. Michele Pinna

   Regular Paper 24 March 2021 Pages: 116 - 132

   

5. Spiking neural P systems: matrix representation and formal verification

   • Marian Gheorghe
   • Raluca Lefticaru
   • Henry N. Adorna

   Regular Paper Open access 27 April 2021 Pages: 133 - 148

   

6. A return to stochasticity and probability in spiking neural P systems

   • Prometheus Peter L. Lazo
   • Francis George C. Cabarle
   • Jan Michael C. Yap

   Regular Paper 16 March 2021 Pages: 149 - 161