Cover Illustration: The cover pictures an Eocene Atlantogean landscape showing vertebrate groups shared only by South America and northern Africa during the Tertiary. The basis is a palaeoprovince proposed by Ezcurra and Agnolin (this issue) that included South America, continental Africa, Europe, Antarctica and Australia. The fi rst plane of the fi gure shows a phororhacoid bird (cf. Lavocatav...

Instituto Geológico y Minero de España Ríos Rosas 23, 28003 Madrid, Spain. Najarro E-mail: [email protected] Peñalver E-mail: [email protected] Rosales E-mail: [email protected] Departament d’Estratigrafia, Paleontologia i Geociències Marines, Universitat de Barcelona Campus de Pedralbes, 08071 Barcelona, Spain. Pérez-de la Fuente E-mail: [email protected] Delclòs E-mail: [email protected] ...

Let Fq denote the finite field of order q and characteristic p. For f(x) in Fq[x], let f∗(x,y) denote the substitution polynomial f(x)−f(y). The polynomial f∗(x,y) has frequently been used in questions on the set of values f(x), see for example Wan [8], Dickson [4], Hayes [6], and Gomez-Calderon and Madden [5]. The linear and quadratic factors of f∗(x,y) have been studied by Cohen [2, 3] and al...

Abstract Robbins concludes his exchange with Gomez-Baggethun by remarking that ‘there is a great deal to chew here, especially regard the way degrowth community attempts thread needle between ethical limits and Malthusian scarcity’ (emphasis in original). In explaining their positions on degrowth, both authors refer my book (Kallis, 2019). Robbins's spirit of clarifying differences ecomodernism...

Rodolfo Gomez is currently a PhD student 1 in the Computing Laboratory at Kent. In 2000, he joined the realtime systems research group at Universidad Nacional del Sur (Argentina), where he worked until 2002 on temporal and active databases and temporal query languages. This research (in collaboration, among others, with Dr. Juan Augusto at University of Ulster and Dr. Antony Galton at Universit...

Gomez-Lopez-Hernandez syndrome (GLHS) is a rare syndrome comprising the triad rhombencephalosynapsis (RS), parietal alopecia, and trigeminal anesthesia. Other typical findings are skull abnormalities, craniofacial dysmorphic signs, and short stature. Intellectual impairment is typical but cases with normal cognitive functions have also been reported. Only 15 cases of GLHS have been described so...