Abhay Vasant Ashtekar (an haife shi a ranar 5 ga Yuli, 1949) masanin ilimin kimiyyar lissafi ne na Indiya. Shi Farfesa ne na Eberly na Physics kuma Daraktan Cibiyar Nazarin Jiki da Jiki a Jami'ar Jihar Pennsylvania. A matsayin mahaliccin masu canzawa na Ashtekar, yana ɗaya daga cikin waɗanda suka kafa mahimmancin ma'auni na ma'auni da kuma ma'auni na ma'auni na ma'auni. Ya kuma rubuta wasu kwatancin ma'auni na ma'auni wanda ba a iya amfani da su ga masu ilimin lissafi ba. A cikin 1999, Ashtekar da abokan aikinsa sun iya lissafin entropy don ramin baki, wanda ya dace da tsinkayen 1974 na Oxford Hawking. Masanin ilimin lissafi Roger Penrose ya bayyana tsarin Ashtekar game da ma'auni a matsayin "Mafi mahimmancin duk ƙoƙarin da aka yi na 'ƙaddamar da' ma'auni na ma'auni".
ba masana kimiyyar lissafi ba