The seminar of statistics of the Prussian office of statistics. How to educate administration employers in statistics. (Le séminaire de statistiques du Bureau prussien de statistique (1862–1900). Former des administrateurs à la statistique.)
The present paper provides a test case for the significance of the historical category “structuralism” in the history of modern mathematics. We recapitulate the various approaches to the fundamental group present in Poincaré’s work and study how they were developed by the next generations in more “structuralist” manners. By contrasting this development with the late introduction and comparatively marginal use of the notion of fundamental groupoid and the even later consideration of equivalence relations...
We investigate an approach of Bass to study the Jacobian Conjecture via the degree of the inverse of a polynomial automorphism over an arbitrary ℚ-algebra.
Analysis of some answers to the following questions : is there a generic notion of definition ? What is the difference between “analytic definition” and “synthetic definition” ? What is a good definition ?