Browsing Arthur (Articles) by Title

Browsing Arthur (Articles) by Title

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  • Uncertainty, spillovers, and forecasts of the realized variance of gold returns 
    Gupta, Rangan; Pierdzioch, Christian (MDPI, 2021-09)
    Using data for the group of G7 countries and China for the sample period 1996Q1 to 2020Q4, we study the role of uncertainty and spillovers for the out-of-sample forecasting of the realized variance of gold returns and ...
  • Unique patterns of mating pheromone presence and absence could result in the ambiguous sexual behaviors of Colletotrichum species 
    Wilson, Andi M.; Lelwala, Ruvini V.; Taylor, Paul W.J.; Wingfield, Michael J.; Wingfield, Brenda D. (Genetics Society of America, 2021)
    Colletotrichum species are known to engage in unique sexual behaviors that differ significantly from the mating strategies of other filamentous ascomycete species. For example, most ascomycete fungi require the expression ...
  • Univariate and multivariate GARCH models applied to bitcoin futures option pricing 
    Venter, Pierre Johan; Mare, Eben (MDPI, 2021-06-10)
    In this paper, the Heston–Nandi futures option pricing model is applied to Bitcoin futures options. The model prices are compared to market prices to give an indication of the pricing performance. In addition, a multivariate ...
  • A universal power-law prescription for variability from synthetic images of black hole accretion flows 
    Georgiev, Boris; Pesce, Dominic W.; Broderick, Avery E.; Wong, George N.; Dhruv, Vedant; Wielgus, Maciek; Gammie, Charles F.; Chan, Chi-kwan; Chatterjee, Koushik; Emami, Razieh; Mizuno, Yosuke; Gold, Roman; Fromm, Christian M.; Ricarte, Angelo; Yoon, Doosoo; Joshi, Abhishek V.; Prather, Ben; Cruz-Osorio, Alejandro; Johnson, Michael D.; Porth, Oliver; Olivares, Hector; Younsi, Ziri; Rezzolla, Luciano; Vos, Jesse; Qiu, Richard; Nathanail, Antonios; Narayan, Ramesh; Chael, Andrew; Anantua, Richard; Moscibrodzka, Monika; Akiyama, Kazunori; Alberdi, Antxon; Alef, Walter; Algaba, Juan Carlos; Asada, Keiichi; Azulay, Rebecca; Bach, Uwe; Baczko, Anne-Kathrin; Ball, David; Balokovic, Mislav; Barrett, John; Bauböck, Michi; Benson, Bradford A.; Bintley, Dan; Blackburn, Lindy; Blundell, Raymond; Bouman, Katherine L.; Bower, Geoffrey C.; Boyce, Hope; Bremer, Michael; Brinkerink, Christiaan D.; Brissenden, Roger; Britzen, Silke; Broguiere, Dominique; Bronzwaer, Thomas; Bustamante, Sandra; Byun, Do-Young; Carlstrom, John E.; Ceccobello, Chiara; Chatterjee, Shami; Chen, Ming-Tang; Chen, Yongjun; Cheng, Xiaopeng; Cho, Ilje; Christian, Pierre; Conroy, Nicholas S.; Conway, John E.; Cordes, James M.; Crawford, Thomas M.; Crew, Geoffrey B.; Cui, Yuzhu; Davelaar, Jordy; De Laurentis, Mariafelicia; Dempsey, Jessica; Desvignes, Gregory; Dexter, Jason; Doeleman, Sheperd S.; Dougal, Sean; Dzib, Sergio A.; Eatough, Ralph P.; Falcke, Heino; Farah, Joseph R.; Fish, Vincent L.; Fomalont, Ed; Ford, H. Alyson; Fraga-Encinas, Raquel; Freeman, William T.; Friberg, Per; Fuentes, Antonio; Galison, Peter; García, Roberto; Gentaz, Olivier; Godd, Ciriaco; Gomez-Ruiz, Arturo I.; Gomez, José L.; Gu, Minfeng; Gurwel, Mark; Hada, Kazuhiro; Haggard, Daryl; Haworth, Kari; Hech, Michael H.; Hesper, Ronald; Heumann, Dirk; Ho, Luis C.; Ho, Paul; Honm, Mareki; Huang, Chih-Wei L.; Huang, Lei; Hughes, David H.; Ikeda, Shiro; Impellizzeri, C.M. Violette; Inoue, Makoto; Issaoun, Sara; James, David J.; Jannuzi, Buell T.; Janssen, Michael; Jeter, Britton; Jiang, Wu; Jimenez-Rosales, Alejandra; Jorstad, Svetlana; Jung, Taehyun; Karami, Mansour; Karuppusamy, Ramesh; Kawashima, Tomohisa; Keating, Garrett K.; Kettenis, Mark; Kim, Dong-Jin; Kim, Jae-Young; Kim, Jongsoo; Kim, Junhan; Kino, Motoki; Koay, Jun Yi; Kocherlakota, Prashant; Kofuji, Yutaro; Koch, Patrick M.; Koyama, Shoko; Kramer, Carsten; Kramer, Michael; Krichbaum, Thomas P.; Kuo, Cheng-Yu; La Bella, Noemi; Lauer, Tod R.; Lee, Daeyoung; Lee, Sang-Sung; Lehner, Luis; Leung, Po Kin; Levis, Aviad; Li, Zhiyuan; Lico, Rocco; Lindah, Greg; Lindqvist, Michael; Lisakov, Mikhail; Liu, Jun; Liu, Kuo; Liuzzo, Elisabetta; Lo, Wen-Ping; Lobanov, Andrei P.; Loinard, Laurent; Lonsdale, Colin J.; Lu, Ru-Sen; Mao, Jirong; Marchili, Nicola; Markof, Sera; Marrone, Daniel P.; Marscher, Alan P.; Martí-Vidal, Iván; Matsushita, Satoki; Matthews, Lynn D.; Menten, Karl M.; Michalik, Daniel; Mizuno, Izumi; Moran, James M.; Moriyama, Kotaro; Muller, Cornelia; Mus, Alejandro; Musok, Gibwa; Myserlis, Ioannis; Nadolski, Andrew; Nagai, Hiroshi; Nagar, Neil M.; Nakamura, Masanori; Narayanan, Gopal; Natarajan, Iniyan; Fuentes, Santiago Navarro; Neilsen, Joey; Neri, Roberto; Ni, Chunchong; Noutsos, Aristeidis; Nowak, Michael A.; Oh, Junghwan; Okino, Hiroki; Ortiz-Leon, Gisela N.; Oyama, Tomoaki; Palumbo, Daniel C. M.; Filippos Paraschos, Georgios; Park, Jongho; Parsons, Harriet; Patel, Nimesh; Pen, Ue-Li; Piétu, Vincent; Plambeck, Richard; PopStefanija, Aleksandar; Pötzl, Felix M.; Preciado-Lopez, Jorge A.; Pu, Hung-Yi; Ramakrishnan, Venkatessh; Rao, Ramprasad; Rawlings, Mark G.; Raymond, Alexander W.; Ripperda, Bart; Roelofs, Freek; Rogers, Alan; Ros, Eduardo; Romero-Cañizales, Cristina; Roshanineshat, Arash; Rottmann, Helge; Roy, Alan L.; Ruiz, Ignacio; Ruszczyk, Chet; Rygl, Kazi L. J.; Sanchez, Salvador; Sanchez-Arguelles, David; Sanchez-Porta, Miguel; Sasada, Mahito; Satapathy, Kaushik; Savolainen, Tuomas; Schloerb, F. Peter; Schonfeld, Jonathan; Schuster, Karl-Friedrich; Shao, Lijing; Shen, Zhiqiang; Small, Des; Sohn, Bong Won; SooHoo, Jason; Souccar, Kamal; Sun, He; Tazaki, Fumie; Tetarenko, Alexandra J.; Tiede, Paul; Tilanus, Remo P. J.; Titus, Michael; Torne, Pablo; Traianou, Efthalia; Trent, Tyler; Trippe, Sascha; Turk, Matthew; Van Bemmel, Ilse; Van Langevelde, Huib Jan; Van Rossum, Daniel R.; Wagner, Jan; Ward-Thompson, Derek; Wardle, John; Weintroub, Jonathan; Wex, Norbert; Wharton, Robert; Wiik, Kaj; Witzel, Gunther; Wondrak, Michael F.; Wu, Qingwen; Yamaguchi, Paul; Young, André; Young, Ken; Yuan, Feng; Yuan, Ye-Fei; Zensus, J. Anton; Zhang, Shuo; Zhao, Guang-Yao; Zhao, Shan-Shan (IOP Publishing, 2022-05)
    We present a framework for characterizing the spatiotemporal power spectrum of the variability expected from the horizon-scale emission structure around supermassive black holes, and we apply this framework to a library ...
  • Unraveling synergism between various GH family xylanases and debranching enzymes during hetero-xylan degradation 
    Malgas, Samkelo; Mafa, Mpho S.; Mathibe, Brian N.; Pletschke, Brett I. (MDPI, 2021-11-09)
    Enzymes classified with the same Enzyme Commission (EC) that are allotted in different glycoside hydrolase (GH) families can display different mechanisms of action and substrate specificities. Therefore, the combination ...
  • Update on current approaches, challenges, and prospects of modeling and simulation in renewable and sustainable energy systems 
    Yoro, Kelvin O.; Daramola, Michael Olawale; Sekoai, Patrick T.; Wilson, Uwemedimo N.; Eterigho-Ikelegbe, Orevaoghene (Elsevier, 2021-10)
    Modeling and simulation (M&S) is a well-known scientific tool that could be used to analyze a system or predict its behavior before physical construction. Despite being an established methodical tool in engineering, only ...
  • The use of non-prescribed antibiotics; prevalence estimates in low-and-middle-income countries. A systematic review and meta-analysis 
    Torres, Neusa F.; Chibi, Buyisile; Kuupiel, Desmond; Solomon, Vernon P.; Mashamba‑Thompson, Tivani Phosa; Middleton, Lyn E. (BMC, 2021-01-03)
    BACKGROUND : The global increase in the utilization of non - prescribed antibiotics (NPA), is concerning, with high persistence within the low and middle-income countries (LMICs). With a negative impact on the health ...
  • The use of nonsteroidal anti-inflammatory drugs by COVID-19 patients – in a nutshell 
    Flepisi, Brian Thabile; Schellack, Natalie (Medpharm Publications, 2021-06)
    Coronavirus disease (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is responsible for a large scale of morbidities and mortalities worldwide, posing a significant threat to global health. ...
  • Using blended-learning strategy in mathematics to strengthen the teaching of geometric 2D shapes and their properties to primary 6 learners 
    Ekeh, Martin Chukwudi; Venketsamy, Thungavel (Roy); Unamba, Eugene Chukwuemeka; Ugochukwu, Ngozi Joyceline (Independent Institute of Education, 2021-11)
    Mathematics remains an indispensable pivot for technical and analytical skills that are relevant to other fields and everyday living experiences. Most learners experience challenges in comprehending mathematical concepts ...
  • Using “live” public sector projects in design teaching to transform urban green infrastructure in South Africa 
    Breed, Christina A.; Mehrtens, Helge (MDPI, 2021-12-29)
    Urban green infrastructure is not acknowledged in the Global South for the critical social and ecological functions it can provide. Contextual design solutions and innovative approaches are urgently needed to transform ...
  • Utilising a virtual community to practice community work theory during COVID-19 lockdown in South Africa 
    Claassens, Elmien (Whiting and Birch Ltd, 2021)
    In this practice note, I highlight the challenges practice lecturers overcame during a national lockdown midst the COVID-19 pandemic in South Africa. They continued with online teaching and learning, teaching community work ...
  • The utility of metabolic parameters on baseline F-18 FDG PET/CT in predicting treatment response and survival in paediatric and adolescent Hodgkin lymphoma 
    Reed, Janet D.; Masenge, Andries; Buchner, Ane; Omar, Fareed E.; Reynders, David; Vorster, Mariza; Van de Wiele, Christophe; Sathekge, Mike Machaba (MDPI, 2021-12-20)
    Lymphoma is the third most common paediatric cancer. Early detection of high-risk patients is necessary to anticipate those who require intensive therapy and follow-up. Current literature shows that residual tumor avidity ...
  • The variability of the black hole image in M87 at the dynamical timescale 
    Satapathy, Kaushik; Psaltis, Dimitrios; Ozel, Feryal; Medeiros, Lia; Dougall, Sean T.; Chan, Chi-Kwan; Wielgus, Maciek; Prather, Ben S.; Wong, George N.; Gammie, Charles F.; Akiyama, Kazunori; Alberdi, Antxon; Alef, Walter; Algaba, Juan Carlos; Anantua, Richard; Asada, Keiichi; Azulay, Rebecca; Baczko, Anne-Kathrin; Ball, David; Baloković, Mislav; Barrett, John; Benson, Bradford A.; Bintley, Dan; Blackburn, Lindy; Blundell, Raymond; Boland, Wilfred; Bouman, Katherine L.; Bower, Geoffrey C.; Boyce, Hope; Bremer, Michael; Brinkerink, Christiaan D.; Brissenden, Roger; Britzen, Silke; Broderick, Avery E.; Broguiere, Dominique; Bronzwae, Thomas; Bustament, Sandra; Byun, Do-Young; Carlstrom, John E.; Chael, Andrew; Chatterjee, Koushik; Chatterjee, Shami; Chen, Ming-Tang; Chen, Yongjun; Cho, Ilje; Christian, Pierre; Conway, John E.; Cordes, James M.; Crawford, Thomas M.; Crew, Geoffrey B.; Cruz-Osorio, Alejandro; Cui, Yuzhu; Davelaar, Jordy; De Laurentis, Mariafelicia; Deane, Roger; Dempsey, Jessica; Desvignes, Gregory; Dexter, Jason; Doeleman, Sheperd S.; Eatough, Ralph P.; Falcke, Heino; Farah, Joseph R.; Fish, Vincent L.; Fomalont, Ed; Ford, H. Alyson; Fraga-Encinas, Raquel; Friberg, Per; Fromm, Christian M.; Fuentes, Antonio; Galison, Peter; García, Roberto; Gentaz, Olivier; Georgiev, Boris; Goddi, Ciriaco; Gold, Roman; Gomez-Ruiz, Arturo I.; Gomez, Jose L.; Gu, Minfeng; Gurwell, Mark; Hada, Kazuhiro; Haggard, Daryl; Hecht, Michael H.; Hesper, Ronald; Ho, Luis C.; Ho, Paul; Honma, Mareki; Huang, Chih-Wei L.; Huang, Lei; Hughes, David H.; Ikeda, Shiro; Inoue, Makoto; Issaoun, Sara; James, David J.; Jannuzi, Buell T.; Janssen, Michael; Jeter, Britton; Jiang, Wu; Jimenez-Rosales, Alejandra; Johnson, Michael D.; Jorstad, Svetlana; Jung, Taehyun; Karami, Mansour; Karuppusamy, Ramesh; Kawashima, Tomohisa; Keating, Garrett K.; Kettenis, Mark; Kim, Dong-Jin; Kim, Jae-Young; Kim, Jongsoo; Kim, Junhan; Kino, Motoki; Koay, Jun Yi; Kofuji, Yutaro; Koch, Patrick M.; Koyama, Shoko; Kramer, Carsten; Kramer, Michael; Krichbaum, Thomas P.; Kuo, Cheng-Yu; Lauer, Tod R.; Lee, Sang-Sung; Levis, Aviad; Li, Yan-Rong; Li, Zhiyuan; Lindqvist, Michael; Lico, Rocco; Lindahl, Greg; Liu, Jun; Liu, Kuo; Liuzzo, Elisabetta; Lo, Wen-Ping; Lobanov, Andrei P.; Loinard, Laurent; Lonsdale, Colin; Lu, Ru-Sen; MacDonald, Nicholas R.; Mao, Jirong; Marchili, Nicola; Markoff, Sera; Marrone, Daniel P.; Marscher, Alan P.; Martí-Vidal, Iván; Matsushita, Satoki; Matthews, Lynn D.; Menten, Karl M.; Mizuno, Izumi; Mizuno, Yosuke; Moran, James M.; Moriyama, Kotaro; Moscibrodzka, Monika; Muller, Cornelia; Mejías, Alejandro Mus; Musoke, Gibwa; Nagai, Hiroshi; Nagar, Neil M.; Nakamura, Masanori; Narayan, Ramesh; Narayanan, Gopal; Natarajan, Iniyan; Nathanail, Antonios; Neilsen, Joey; Neri, Roberto; Ni, Chunchong; Noutsos, Aristeidis; Nowak, Michael A.; Okino, Hiroki; Olivares, Hector; Ortiz-Leon, Gisela N.; Oyama, Tomoaki; Palumbo, Daniel C. M.; Park, Jongho; Pate, Nimesh; Pen, Ue-Li; Pesce, Dominic W.; Pietu, Vincent; Plambeck, Richard; PopStefanija, Aleksandar; Porth, Oliver; Pötzl, Felix M.; Preciado-Lopez, Jorge A.; Pu, Hung-Yi; Ramakrishnan, Venkatessh; Rao, Ramprasad; Rawlings, Mark G.; Raymond, Alexander W.; Rezzolla, Luciano; Ripperda, Bart; Roelofs, Freek; Rogers, Alan; Ros, Eduardo; Rose, Mel; Roshanineshat, Arash; Rottmann, Helge; Roy, Alan L.; Ruszczyk, Chet; Rygl, Kazi L. J.; Sanchez, Salvador; Sanchez-Arguelles, David; Sasada, Mahito; Savolainen, Tuomas; Schloerb, F. Peter; Schuste, Karl-Friedrich; Shao, Lijing; Shen, Zhiqiang; Small, Des; Sohn, Bong Won; SooHoo, Jason; Sun, He; Tazaki, Fumie; Tetarenko, Alexandra J.; Tiede, Paul; Tilanus, Remo P. J.; Titus, Michael; Toma, Kenji; Torne, Pablo; Traianou, Efthalia; Trent, Tyler; Trippe, Sascha; Bemmel, Ilse van; Van Langevelde, Huib Jan; Van Rossum, Daniel R.; Wagner, Jan; Ward-Thompson, Derek; Wardle, John; Weintroub, Jonathan; Wex, Norbert; Wharton, Robert; Wiik, Kaj; Wu, Qingwen; Yoon, Doosoo; Young, André; Young, Ken; Younsi, Ziri; Yuan, Feng; Yuan, Ye-Fei; Zensus, J. Anton; Zhao, Guang-Yao; Zhao, Shan-Shan (American Astronomical Society, 2022-01)
    The black hole images obtained with the Event Horizon Telescope (EHT) are expected to be variable at the dynamical timescale near their horizons. For the black hole at the center of the M87 galaxy, this timescale (5–61 ...
  • Vector competence of Eucampsipoda africana (Diptera: Nycteribiidae) for Marburg virus transmission in Rousettus aegyptiacus (Chiroptera: Pteropodidae) 
    Paweska, Janusz Tadeusz; Jansen van Vuren, Petrus; Storm, Nadia; Markotter, Wanda; Kemp, Alan (MDPI, 2021-11)
    This study aimed to determine the vector competence of bat-associated nycteribiid flies (Eucamsipoda africana) for Marburg virus (MARV) in the Egyptian Rousette Bat (ERB), Rousettus aegyptiacus. In flies fed on subcutaneously ...
  • Viewpoint : Rigorous monitoring is necessary to guide food system transformation in the countdown to the 2030 global goals☆ 
    Fanzo, Jessica; Haddad, Lawrence; Schneider, Kate R.; Bene, Christophe; Covic, Namukolo M.; Guarin, Alejandro; Herforth, Anna W.; Herrero, Mario; Sumaila, U. Rashid; Aburto, Nancy J.; Amuyunzu-Nyamongo, Mary; Barquera, Simon; Battersby, Jane; Beal, Ty; Molina, Paulina Bizzotto; Brusset, Emery; Cafiero, Carlo; Campeau, Christine; Caron, Patrick; Cattaneo, Andrea; Conforti, Piero; Davis, Claire; DeClerck, Fabrice A.J.; Elouafi, Ismahane; Fabi, Carola; Gephart, Jessica A.; Golden, Christopher D.; Hendriks, Sheryl L.; Huang, Jikun; Laar, Amos; Lal, Rattan; Lidder, Preetmoninder; Loken, Brent; Marshall, Quinn; Masuda, Yuta J.; McLaren, Rebecca; Neufeld, Lynnette M.; Nordhagen, Stella; Remans, Roseline; Resnick, Danielle; Silverberg, Marissa; Cullen, Maximo Torero; Tubiello, Francesco N.; Vivero-Pol, Jose-Luis; Wei, Shijin; Moncayo, Jose Rosero (Elsevier, 2021-10)
    Food systems that support healthy diets in sustainable, resilient, just, and equitable ways can engender progress in eradicating poverty and malnutrition; protecting human rights; and restoring natural resources. Food ...
  • Virtual reality : saving tourism in South Africa? 
    Verkerk, Victoria-Ann (African journals, 2022-02)
    At the end of 2019, a new crisis emerged in the world - COVID-19 - which literally devastated the tourism industry worldwide. In order to try to minimise the spread of COVID-19, the government implemented a strict ...
  • Vom Recht des Proselyten in LXX-Maleachi 3:5 
    Dafni, Evangelia G. (AOSIS, 2021-12-03)
    On the right of the proselyte in LXX-Malachi 3:5. This article deals with Malachi 3:5 from the perspective of language theology. An attempt is made to answer the questions of how the LXX translator of the Malachi book ...
  • Vom Recht des Proselyten in LXX-Maleachi 3:5 
    Dafni, Evangelia G. (AOSIS, 2021-12-03)
    On the right of the proselyte in LXX-Malachi 3:5. This article deals with Malachi 3:5 from the perspective of language theology. An attempt is made to answer the questions of how the LXX translator of the Malachi book ...
  • Was Eve the first femme fatale? 
    Coleman, Roche (AOSIS, 2021-03)
    Feminist theology approaches the biblical teaching of the fall with a non-historical or traditional interpretation. The biblical teaching suggests that the primordial couple sinned by eating the forbidden fruit from the ...
  • A water footprint approach to guide water resource management in data-scarce regions: a case study for the upperEwaso Ng’iro basin, Mount Kenya 
    Van der Laan, Michael; Eckert, Sandra; Da Silva, Maya; Annandale, John George (The South African Water Research Commission, 2021-07)
    Due to population growth and agricultural intensification, water scarcity is increasing in the Upper Ewaso Ng’iro Basin. Quantitative information is needed to improve the management of this resource, but is a challenge ...