This paper solves a pursuit–evasion problem in which a prince must find a princess who is constrained to move on each day from one vertex of a finite graph to another. Unlike the related and much studied ‘Cops and Robbers Game’, the prince has no knowledge of the position of the princess; he may, however, visit any single room he wishes on each day. We characterize the graphs for which the prin...

B. Tibau1, P. Bedard2, F. Vera-Badillo3, A.J. Templeton4, A. Ocana5, B. Seruga6, A. Barnadas1, E. Amir7 Medical Oncology, Hospital de la Santa Creu I Sant Pau, Barcelona, SPAIN Medical Oncology, Princess Margaret Hospital, Toronto, ON, CANADA Dept of Medical Oncology, Princess Margaret Hospital, Toronto, ON, CANADA Department of Medical Oncology, Kantonsspital St. Gallen, St. Gallen, SWITZERLAN...

Dr. Trachtenberg is Professor of Surgery and Fleck Tanenbaum Chair of Prostatic Disease, University of Toronto, and Director, The Prostate Centre, Princess Margaret Hospital/The Toronto Hospital, Toronto, Ont. Dr. Crook is Associate Professor of Radiation Oncology, University of Toronto, and Staff Radiation Oncologist, Princess Margaret Hospital, Toronto, Ont. Dr. Tannock is Daniel E. Bergsagel...

The Diamond Princess cruise ship is a unique COVID-19 transmission case because of the high testing capacity and confined environment. This exploratory study aims to raise hypothesis regarding role poor ventilation systems in spread by analysing count data collected onboard clinic during outbreak, considering deck plan design air conditioning system ship. Observed symptomatic infection rate aft...

The application of gender theory to analyze Korean literary works is relatively new. This study uses as a foundation examine the identity character Princess Bari in folk literature work "Princess Bari," exploring her relationships with father (the King), Siddhartha Gautama(The Buddha), benevolent elderly couple, older sisters, Muchangsung, and other social connections. As result, each distinct ...

EDWINA LAWSON, KATHARINE BOND, DUNCAN CHURCHILL, KAREN WALKER-BONE Department of Genitourinary Medicine, Royal Sussex County Hospital, Brighton and Brighton and Sussex Medical School, Euan Keat Education Centre, Princess Royal Hospital, Haywards Heath, UK Accepted 22 December 2008 Correspondence to: Karen Walker-Bone, Euan Keat Education Centre, Princess Royal Hospital, Lewes Road, Haywards Hea...

Abstract Because of the high infectiousness COVID-19, paper divided infected people into two groups, confirmed cases to be treated and isolated in hospitals unconfirmed carriers free environment. First, a COVID-19 transmission model was built based on classification population, sensitivity analysis algorithm constructed optimize unknown parameters model, such as probabilities diagnosis rate. Se...