Abhay Ashtekar

Horizons and Null Infinity: A Fugue in 4 voices

Open Discussion with today's speakers (Ashtekar, Surya, Vieira)

• Abhay Ashtekar Pennsylvania State University

• Sumati Surya Raman Research Institute

• Pedro Vieira Perimeter Institute for Theoretical Physics

Panel Discussion - Cosmological Puzzles (Ashtekar, Brandenberger, Geshnizjani, Sakellariadou, Yazdi)

• Abhay Ashtekar Pennsylvania State University

• Robert Brandenberger McGill University - Department of Physics

• Ghazal Geshnizjani Perimeter Institute for Theoretical Physics

• Mairi Sakellariadou King's College London

• Yasaman Kouchekzadeh Yazdi Dublin Institute For Advanced Studies

Glimpses into Loop Quantum Gravity

The fate of the big bang

• Abhay Ashtekar Pennsylvania State University

• Neil Turok University of Edinburgh

Bounce in Loop Quantum Cosmology and its Implications

Why there is no information loss

Quantum Nature of the Big bang in Simple Models.

Promising Paths: What Have We Learned So Far About Quantum Gravity?

• Abhay Ashtekar Pennsylvania State University

• Carlo Rovelli Aix-Marseille University

Even a tiny positive cosmological constant casts a long shadow

Even a tiny cosmological constant casts a long shadow

Loop Quantum Cosmology & The Very Early Universe Interplay between theory and Observations