Rovelli ’ s World

Unfinished Revolution

One hundred and forty-four years elapsed between the publication of Copernicus’s De Revolutionibus, which opened the great scientific revolution of the XVII century, and the publication of Newton’s Principia, the final synthesis that brought that revolution to a spectacularly successful end. During those hundred and forty-four years, the basic grammar for understanding the physical world change...

Introductive Chapter of a Book on Quantum Gravity, Edited by Daniele Oriti, That Will Appear with Cambridge University Press

Hundred and forty-four years have elapsed between the publication of Copernicus’s De Revolutionibus, which has opened the great scientific revolution of the XVII century, and the publication of Newton’s Principia, the final synthesis that has brought that revolution to a spectacularly successful end. During those hundred and forty-four years, the basic grammar for understanding the physical wor...

Diagnosis and incidence of acute promyelocytic leukemia (FAB M3 and M3 variant) in childhood.

Covariant Loop Quantum Gravity An elementary introduction to Quantum Gravity and Spinfoam Theory

The physical Hamiltonian in nonperturbative quantum gravity.

A quantum Hamiltonian which evolves the gravitational field according to time as measured by constant surfaces of a scalar field is defined through a regularization procedure based on the loop representation, and is shown to be finite and diffeomorphism invariant. The problem of constructing this Hamiltonian is reduced to a combinatorial and algebraic problem which involves the rearrangements o...