We review mathematical and algorithmic problems of reconstructing evolutionary features at ancestors in a known phylogeny. In particular, we revisit a generic framework for the problem that was introduced by Sankoff and Rousseau [“Locating the vertices of a Steiner tree in an arbitrary metric space,” Mathematical Programming, 9:240–246, 1975].

SEVERIN HORNUNG*, DENISE M. ROUSSEAU, JÜRGEN GLASER, PETER ANGERER AND MATTHIAS WEIGL Department of Management and Marketing, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong Heinz School of Public Policy and Management and Tepper School of Business, Carnegie Mellon University, Pittsburgh, Pennsylvania, U.S.A. Institute and Outpatient Clinic for Occupational, Social, and Envir...

Roddy Hiram, Edmond Rizcallah, Chantal Sirois, Marco Sirois, Caroline Morin, Samuel Fortin, and Eric Rousseau Department of Physiology and Biophysics, Université de Sherbrooke, Sherbrooke, Quebec, Canada; Department of Pathology, Université de Sherbrooke, Sherbrooke, Quebec, Canada; Service of Thoracic Surgery Faculty of Medicine and Health Sciences, Université de Sherbrooke, Sherbrooke, Quebec...

Rapporteurs : Jean-Charles Régin, Professeur Université de Nice Louis-Martin Rousseau, Professeur École Polytechnique de Montréal Examinateurs : Benôıt Rottembourg, Directeur de la recherche EuroDécision Paris Patrice Boizumault, Professeur Université de Caen Directeur de thèse : Narendra Jussien, Professeur École des Mines de Nantes Responsable Scientifique : Sophie Demassey, Mâıtre-assistante...

Caroline Morin, Christelle Guibert, Marco Sirois, Vincent Echave, Marcio M. Gomes, and Eric Rousseau Le Bilarium, Department of Physiology and Biophysics, Service of Thoracic Surgery, and Department of Pathology, Université de Sherbrooke, Sherbrooke, Quebéc, Canada; and Laboratoire de Physiologie Cellulaire Respiratoire, Institut National de la Santé et de la Recherche Médicale U885, Université...

The international community has struggled to adopt a cohesive response Islamist terrorism since the late 1990s. Member states of United Nations have, therefore, been accorded significant discretion in how they react terror threats. Kingdom, for example, embraced pro-security agenda number legislative responses it enacted, together with breadth criminalisation these statutes employ. theory socia...