Evidence is presented to suggest that, in three dimensions, spherical 6-designs with N points exist for N = 24, 26, ≥ 28; 7-designs for N = 24, 30, 32, 34, ≥ 36; 8-designs for N = 36, 40, 42, ≥ 44; 9-designs for N = 48, 50, 52, ≥ 54; 10-designs for N = 60, 62, ≥ 64; 11-designs for N = 70, 72, ≥ 74; and 12-designs for N = 84, ≥ 86. The existence of some of these designs is established analytical...

Inspired by the “generalized t-designs” defined by Cameron [P. J. Cameron, A generalisation of t-designs, Discrete Math. 309 (2009), 4835–4842], we define a new class of combinatorial designs which simultaneously provide a generalization of both covering designs and covering arrays. We then obtain a number of bounds on the minimum sizes of these designs, and describe some methods of constructin...

—Little information exists on nesting by seabirds and coastal waterbirds in Panamá. The present study of the Gulf of Chiriquí complements our previous study of nesting waterbirds of the Gulf of Panamá. In April 2012, about 4,000 nests of seven species of seabirds and other colonial waterbirds were identified during a complete survey by small plane and boat within and adjacent to the Gulf of Chi...

1 Division of Medical Microbiology, Department of Pathology, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa, 2 Centre for Evidence-based Health Care, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa, 3 Cochrane South Africa, South African Medical Research Council, Cape Town, South Africa, 4 Vaccines for Africa Initiative, In...

The implement of knowledge sharing in University Town facilitates to aggregate education resource and improve overall strength of University Town. According to factors and performance of teaching knowledge sharing in University Town, the model and theoretical hypothesis of teaching knowledge sharing in University Town are proposed. Questionnaire and structural equation model are used to empiric...

Authors Landon Myer MA, MPhil, PhD Infectious Diseases Epidemiology Unit, School of Public Health & Family Medicine, University of Cape Town, Cape Town, South Africa Regina Mlobeli, BA, Hons Women’s Health Research Unit, School of Public Health & Family Medicine, University of Cape Town, Cape Town, South Africa Di Cooper, PhD Women’s Health Research Unit, School of Public Health & Family Medici...

Division of Human Genetics, Department of Pathology, Faculty of Health Sciences, Institute of Infectious Diseases and Molecular Medicine, University of Cape Town, Anzio Road, Observatory, 7925, Cape Town, South Africa Department of Clinical Pharmacology, College of Health Sciences, University of Zimbabwe, P.O. Box A178, Avondale, Harare, Zimbabwe 3 International Centre for Genetic Engineering a...

Poisons Information Centre, Department of Paediatrics and Child Health, Red Cross War Memorial Children’s Hospital and University of Cape Town, Cape Town, South Africa Centre for Occupational and Environmental Health Research, School of Public Health and Family Medicine, University of Cape Town, Cape Town, South Africa Department of Paediatrics and Child Health, Red Cross War Memorial Children’...

1Head Clinical Unit: Surgery, New Somerset Hospital, Cape Town, South Africa 2Senior Lecturer, University of Cape Town, Cape Town, South Africa 3Private Practice, Somerset West, South Africa 4Private Practice, Bellville, South Africa 5Private Practice, George and Consultant Surgeon George Provincial Hospital, South Africa 6Honorary Senior Lecturer, University of Cape Town, Cape Town, South Afri...

1 Department of Medicine, University of Cape Town, Cape Town, Western Cape, South Africa, 2 Department of Dermatology, University of Cape Town, Cape Town, Western Cape, South Africa, 3 Department of Anatomical Pathology, National Health Laboratory Service Groote Schuur Hospital Branch, Cape Town, Western Cape, South Africa, 4 Division of Infectious Diseases & HIV Medicine, Department of Medicin...