D4 S1 Don Page - Possibilities for Probabilities

The Many-Worlds Interpretation of Quantum Mechanics: Current Status and Relation to Other Interpretations.
Research workshop of the Israeli Science Foundation, Tel-Aviv University, October 2022

Don Page

Possibilities for Probabilities

In ordinary situations involving a small part of the universe, Born'srule seems to work well for calculating probabilities of observations in quantum theory. However, there are a number of reasons for believing that it is not adequate for many cosmological purposes. Here a number of possible generalizations of Born's rule are discussed, explaining why they are consistent with the present statistical support for Born's rule in ordinary situations but can help solve various cosmological problems.