University of Pretoria - Academic Profile

Publications

First M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole

Kazunori Akiyama , A. Alberdi , W. Alef +97 more

Abstract When surrounded by a transparent emission region, black holes are expected to reveal a dark shadow caused by gravitational light bending and photon capture at the event...

2019 The Astrophysical Journal Letters 3828 citations

The antimicrobial activity of 3,5,7-trihydroxyflavone isolated from the shoots of Helichrysum aureonitens

Anthony Jide Afolayan , J.J.M. Meyer

1997 Journal of Ethnopharmacology 234 citations

Optimization for training neural nets

Etienne Barnard

Various techniques of optimizing criterion functions to train neural-net classifiers are investigated. These techniques include three standard deterministic techniques (variable...

1992 IEEE Transactions on Neural Networks 210 citations

It's time to work together and stop duplicating conservation efforts …

Georgina M. Mace , Andrew Balmford , Luigi Boitani +14 more

2000 Nature 186 citations

Affiliated Researchers

Institution Info

Type: education
Country: ZA
Publications: 4
Citations: 4,458

External Links

Identifiers

ROR: https://ror.org/00g0p6g84