1. Obituary Narahari Umanath (‘Uma’) Prabhu (April 25th, 1924–October 14th, 2022)

   • Vidyadhar Kulkarni
   • Michel Mandjes

   Obituary 13 June 2023 Pages: 151 - 153

2. Stability of a cascade system with two stations and its extension for multiple stations

   • Masakiyo Miyazawa
   • Evsey Morozov

   OriginalPaper 26 July 2023 Pages: 155 - 174

3. Proof of the conjecture on the stability of a multi-class retrial queue with constant retrial rates

   • Bara Kim
   • Jeongsim Kim

   OriginalPaper 22 June 2023 Pages: 175 - 185

   

4. Minimizing the mean slowdown in the M/G/1 queue

   • Samuli Aalto
   • Ziv Scully

   OriginalPaper Open access 04 September 2023 Pages: 187 - 210

   

5. Proofs of conjectures on the competition between observable and unobservable servers

   • Bara Kim
   • Jeongsim Kim
   • Chia-Li Wang

   OriginalPaper 01 September 2023 Pages: 211 - 238

   

6. Externalities in the M/G/1 queue: LCFS-PR versus FCFS

   • Royi Jacobovic
   • Nikki Levering
   • Onno Boxma

   OriginalPaper Open access 08 June 2023 Pages: 239 - 267