Editorial: The Woodward-Hoffmann Rules …︁

Reformulating the Woodward-Hoffmann Rules in a Conceptual Density Functional Theory Context: the Case of Sigmatropic Reactions*

In this contribution, we have investigated the performance of the initial hardness response, a reactivity index from conceptual DFT, in the prediction of the allowed or forbidden character of a series of sigmatropic hydrogen shifts, which are traditionally explained using the famous Woodward-Hoffmann rules for pericyclic reactions. Previously, it was observed that this quantity can be linked to...

Gernot Hoffmann

Reply to Woodward

I thank Dr. Woodward for his illuminating review of my book Causality, for explicating so clearly the basic contributions of the book, and for giving me the opportunity to further clarify some aspects of the do-calculus, specifically those that pertain to the notion of intervention. Woodward’s concerns regarding the notion of atomic intervention (dubbedPI) fall into twomain categories. First, w...

Editorial overview: Social insects: The internal rules of ant societies

The evolution of eusociality, defined as the emergence of societies with reproductive division of labour, overlapping generations, and cooperative care of young, is considered one of the major transitions in evolution and the basis of the tremendous ecological success of social insects (ants, some bees and wasps, termites) [1,2]. However, the organisation of individuals into highly cooperative ...

SURGICAL CORRECTiON BY THE WOODWARD PROCEDURE

At The Hospital for Sick Children in Toronto, 21 undescended scapulae were corrected by the Woodward procedure in 20 patients over the past 18 years. The average age at operation was six years six months. The average follow-up period after operation was 8 years 9 months. Fifteen patients were girls and five were boys. All the patients had other associated abnormalities. Only one patient had a c...