Yes, There is an Oblivious RAM Lower Bound!

Kasper Green Larsen Jesper Buus Nielsen

Published in: IACR Cryptol. ePrint Arch. (2018)

Keyphrases

lower bound
upper bound
branch and bound algorithm
lower and upper bounds
optimal solution
branch and bound
objective function
np hard
worst case
upper and lower bounds
sufficiently accurate
main memory
design considerations
lower bounding
search space
dynamic programming