Zobrazeno 1 - 10
of 1 958
pro vyhledávání: '"A M, van Staden"'
Autor:
MJ Groeneveld, JD Klein, RH Bennett, AS Abdulla, ME Bond, DA Ebert, SM Fernando, KS Gledhill, S Jaquemet, JJ Kiszka, AHH Macdonald, BQ Mann, J Nevill, AS Price, J Rumbelow, JJ Sitoe, M van Staden, BE Wueringer, AE Bester-van der Merwe
Publikováno v:
Endangered Species Research, Vol 53, Pp 409-427 (2024)
Wedgefishes (Rhinidae) are threatened by unsustainable fishing globally, and especially in the Southwest Indian Ocean (SWIO), due to their high-value fins in the shark trade. The whitespotted wedgefish Rhynchobatus djiddensis and the bottlenose wedge
Externí odkaz:
https://doaj.org/article/d2f6e361d39a4ece811e17f28dae0d0a
Autor:
J. Hall, M. van Staden
Publikováno v:
BRICS Law Journal, Vol 8, Iss 2, Pp 120-151 (2021)
Labour and environmental rights in South Africa both originated in reaction to particular and important societal problems. Labour law has traditionally been concerned with inequalities of bargaining powers, whilst environmental law was historically c
Externí odkaz:
https://doaj.org/article/e5ac84ab9a2d44b191871e89b625225a
Publikováno v:
SIAM Journal on Financial Mathematics. 14:407-451
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::514c6211cccaaaf574dbe3b47e47727f
https://doi.org/10.1137/22m1530070
https://doi.org/10.1137/22m1530070
Publikováno v:
African Journal for Physical Activity and Health Sciences; Vol. 28 No. 4 (2022); 338-354
Human immunodeficiency virus (HIV) causes compromised immunity in humans. Globally, 500 000 – 970 000 people died from HIV infection complications in 2019, while approximately 38 million people were living with HIV infection. Presently, South Afric
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5915a095f8564499fed1bf42b2232c3e
https://doi.org/10.37597/ajphes.2022.28.4.4
https://doi.org/10.37597/ajphes.2022.28.4.4
Publikováno v:
African Journal for Physical Activity and Health Sciences; Vol. 28 No. 3 (2022); 244-255
The human immunodeficiency virus (HIV) has infected over 70 million people globally. The Sub-Saharan African countries have over 23.5 million people living with HIV, with South Africa having over 17% of the total number of HIV-infected people globall
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f8ea63812c9d0c4e094a3580d2b2a39b
https://www.ajol.info/index.php/ajpherd/article/view/232519
https://www.ajol.info/index.php/ajpherd/article/view/232519
Publikováno v:
European Journal of Operational Research. 289:774-792
In single-period portfolio optimization settings, Mean-Variance (MV) optimization can result in notoriously unstable asset allocations due to small changes in the underlying asset parameters. This has resulted in the widespread questioning of whether
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0a5605dded413acfa4a627c9f69f8ef7
https://doi.org/10.1016/j.ejor.2020.07.021
https://doi.org/10.1016/j.ejor.2020.07.021
Publikováno v:
SIAM Journal on Financial Mathematics. 12:566-603
We compare the distributions of terminal wealth obtained from implementing the optimal investment strategies associated with the different approaches to dynamic mean-variance (MV) optimization avai...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::297487c54e4715fbc567b52a840c1486
https://doi.org/10.1137/20m1338241
https://doi.org/10.1137/20m1338241
Autor:
Anna M. van Staden, Dirk J.V. Weich
Publikováno v:
South African Family Practice, Vol 57, Iss 5 (2015)
Introduction: Anaemia is common in the elderly. Little is known regarding anaemia in hospitalised elderly patients in South Africa. A retrospective study determined the prevalence and causes of anaemia in elderly patients hospitalised for acute medic
Externí odkaz:
https://doaj.org/article/8dcf717319194fb4a97a8ec18347cccc
Publikováno v:
SIAM Journal on Financial Mathematics. 10:815-856
We investigate the mean-quadratic variation (MQV) portfolio optimization problem and its relationship to the time-consistent mean-variance (TCMV) portfolio optimization problem. In the case of jumps in the risky asset process and no investment constr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d665cc8c3ad955c185f3324a7b4c9349
https://doi.org/10.1137/18m1222570
https://doi.org/10.1137/18m1222570
Publikováno v:
Insurance: Mathematics and Economics. 83:9-28
We investigate the time-consistent mean–variance (MV) portfolio optimization problem, popular in investment–reinsurance and investment-only applications, under a realistic context that involves the simultaneous application of different types of i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5912d9fa29d6108b07533caf57161819
https://doi.org/10.1016/j.insmatheco.2018.08.003
https://doi.org/10.1016/j.insmatheco.2018.08.003