1. Asymptotic structure of space-time with a positive cosmological constant Open Access Author: Kesavan, Aruna Title: Asymptotic structure of space-time with a positive cosmological constant Graduate Program: Physics Keywords: AsymptoticsDark EnergyGravitational RadiationCosmological Constant File: Download ArunaKesavan-Dissertation.pdf Committee Members: Abhay Vasant Ashtekar, Dissertation Advisor/Co-AdvisorAbhay Vasant Ashtekar, Committee Chair/Co-ChairSarah Elizabeth Shandera, Committee MemberEugenio Bianchi, Committee MemberSteinn Sigurdsson, Outside Member