Her thesis advisor had moved to Berkeley in 1953 and Karp was appointed as a teaching assistant here from 1954 to 1956 while she worked on her doctoral thesis. Karp had married Arthur L Karp in 1952 and, in 1957, she moved to Japan with her husband who was in the US Navy.
Ang kanyang mga sanaysay taga-payo ay inilipat sa Berkeley sa 1953 at Karp ay hinirang bilang isang pagtuturo assistant dito 1954-1956 habang siya ay nagtrabaho sa kanyang doktor sanaysay. Karp had kasal Arthur L Karp sa 1952 at, sa 1957, siya inilipat sa bansang Hapon sa kanyang asawa na ay sa US Navy.