4 papers
On the evolution of the concept of probability as a mirror of the evolution of reason
Jean-Louis Le Mouël, Vincent Courtillot, Dominique Gibert +6
Over the centuries, probability theory has grown from the calculus of games of chance into a central framework for reasoning under uncertainty. This article interprets that evoluti…
On the weak synchronization of a nonlinear solar dynamo oscillator by coherent planetary timing
Jean-Louis Le Mouël, Vincent Courtillot, Vladimir Kossobokov +4
The solar cycle is commonly interpreted as an internally generated magnetic oscillation, yet its phase stability and long-term amplitude modulation remain difficult to explain thro…
On a planetary forcing of global seismicity
Stéphanie Dumont, Jean de Bremond d'Ars, Jean-Baptiste Boulé +10
We have explored the temporal variability of the seismicity at global scale over the last 124 years, as well as its potential drivers. To achieve this, we constructed and analyzed…
On the tilt of the Earth's polar axis (climat): Some 'impressionist' remarks
V. Courtillot, F. Lopes, V. Kossobokov +4
In this lengthy letter, we wanted to discuss the concept of climate based on definitions established for over a century and direct observations that we have been collecting for mor…