Physics in Riemann's mathematical papers

Riemann's mathematical papers contain many ideas that arise from physics, and some of them are motivated by problems from physics. In fact, it is not easy to separate Riemann's ideas in mathematics from those in physics. Furthermore, Riemann's philosophical ideas are often in the background of his work on science. The aim of this chapter is to give an overview of Riemann's mathematical results based on physical reasoning or motivated by physics. We also elaborate on the relation with philosophy. While we discuss some of Riemann's philosophical points of view, we review some ideas on the same subjects emitted by Riemann's predecessors, and in particular Greek philosophers, mainly the pre-socratics and Aristotle. The final version of this paper will appear in the book: From Riemann to differential geometry and relativity (L. Ji, A. Papadopoulos and S. Yamada, ed.) Berlin: Springer, 2017

Hrvatska prilagodba i vrednovanje upitnika The Cambridge Pulmonary Hypertension Outcome Review (CAMPHOR)

Pulmonary hypertension (PH) is a chronic disease which severely impairs quality of life (QoL). The Cambridge Pulmonary Hypertension Outcome Review (CAMPHOR) is the first disease-specific tool to assess patient-reported symptoms, functioning and QoL in PH patients. The aim of this study was to adapt and validate the CAMPHOR for use in Croatia. The adaptation process involved three stages: translation (bilingual and lay panel), cognitive debriefing interviews with patients and psychometric validation. For the latter stage, a postal survey was conducted with 50 patients to examine the reliability and validity of the adapted scale. All three scales of the Croatian CAMPHOR demonstrated excellent internal consistency (Symptoms = 0.93; Activity limitations = 0.94; QoL = 0.92) and test-retest reliability correlations (Symptoms = 0.90; Activity limitations = 0.95; QoL = 0.90). Predicted correlations with the SF-36 scales provided evidence for construct validity of the CAMPHOR scales. Evidence for known group validity was shown by the ability of the scales to distinguish between participants based on patient-perceived general health and disease severity. The Croatian version of the CAMPHOR is a valid and reliable tool for use in clinical routine and clinical research.Plućna hipertenzija je kronična bolest koja značajno narušava kvalitetu života. The Cambridge Pulmonary Hypertension Outcome Review (CAMPHOR) je prvi upitnik specifičan za ovu bolest kojim bolesnici s plućnom hipertenzijom samoprocjenjuju simptome, funkcionalni status i kvalitetu života. Cilj ove studije bio je prilagoditi i vrednovati CAMPHOR za uporabu u Republici Hrvatskoj. Prilagodba je postupak koji uključuje tri koraka: prijevod (dvojezični panel i panel laika), kognitivno ispitivanje i psihometrijsko vrednovanje. U daljnjem tijeku ispitivanje je provedeno na 50 bolesnika kako bi se ispitala pouzdanost i valjanost adaptiranih ljestvica. Sve tri ljestvice hrvatske verzije CAMPHOR-a pokazale su izvrsnu unutarnju konzistenciju (Simptomi = 0,93; Aktivnosti = 0,95; Kvaliteta života = 0,92) i ponovljivost (Simptomi = 0,90; Aktivnosti = 0,95; Kvaliteta života = 0,92). Korelacija s česticama SF-36 potvrdila je strukturnu valjanost ljestvica CAMPHOR-a. Prema rezultatima ljestvica moguće je razlikovati ispitanike grupirane prema samoprocijenjenom općem zdravstvenom stanju i težini bolesti, čime je dokazana valjanost upitnika za definirane skupine. Hrvatska inačica CAMPHOR-a je valjan i pouzdan upitnik za primjenu u svakodnevnom kliničkom radu i kliničkim ispitivanjima

Sur trois ouvrages soviétiques récents concernant l'histoire des mathématiques.

SUMMARY. — This article contains detailed reviews of three recent works on the history of mathematics published in the Soviet Union. 1) A Russian-language edition of the works of Diophantus carried out under the direction of Mme I. G. Rachmakova (by A. P. Youschkevitch). 2) A French translation by Prof. B. Laptiev of a standard work in Russian by V. Kagan on Lobatchevski (by R. Taton). 3) A study by F. A. Medvedev of the French school of function and set theory in the late 19th and early 20th centuries (by P. Dugac).RÉSUMÉ. — Cet article réunit les analyses détaillées de trois ouvrages récents d'histoire des mathématiques publiés en Union soviétique. 1) Une édition en langue russe des œuvres de Diophante réalisée sous la direction de Mme I. G. Bachmakova (par A. P. Youschkevitch) . 2) Une traduction française réalisée par le Рг В. Laptiev d'un ouvrage classique en langue russe de V. Kagan sur Lobatchevski (par R. Taton). 3) Une étude de F. A. Medvedev sur l'école française de théorie des fonctions et des ensembles à la fin du XIXe siècle et au début du XXe siècle (par P. Dugac).Youschkevitch A. P., Taton Rene, Dugac Pierre. Sur trois ouvrages soviétiques récents concernant l'histoire des mathématiques.. In: Revue d'histoire des sciences, tome 30, n°4, 1977. pp. 337-359