Edit Profile (opens in new tab) van de Woestyne, Ignace Co-Author Distance Author ID: van-de-woestyne.ignace Published as: Van de Woestyne, Ignace; van de Woestyne, Ignace; Van de Woestyne, I.; Van De Woestyne, Ignace; Woestyne, Ignace Van de; van de Woestyne, I.; Van De Woestyne, I. more...less External Links: MGP · ORCID · Wikidata · GND · IdRef Documents Indexed: 41 Publications since 1992, including 1 Additional arXiv Preprint 2 Contributions as Editor Co-Authors: 22 Co-Authors with 40 Joint Publications 386 Co-Co-Authors all top 5 Co-Authors 3 single-authored 19 Kerstens, Kristiaan 10 Verstraelen, Leopold C. A. 9 Goemans, Wendy 9 Walrave, Johan 6 Dillen, Franki 4 Briec, Walter 4 Sadeghi, Jafar 2 Cesaroni, Giovanni 2 Jin, Qianying 2 Mihai, Ion 2 Vrancken, Luc 1 Basso, Antonella 1 Davtalab-Olyaie, Mostafa 1 Funari, Stefania 1 Mounir, Amine 1 O’Donnell, Christopher J. 1 Prior, Diego 1 Roshdi, Israfil 1 Toloo, Mehdi 1 Van der Veken, Joeri 1 Yaprak, Sahnur 1 Zhang, Linjia all top 5 Serials 11 European Journal of Operational Research 4 Annals of Operations Research 3 Results in Mathematics 2 Bulletin of the Institute of Mathematics. Academia Sinica 2 Rendiconti del Seminario Matematico di Messina. Serie II 2 Bulletin of the Transilvania University of Brașov. Series III. Mathematics, Informatics, Physics 2 Berichte aus der Mathematik 1 Revue Roumaine de Mathématiques Pures et Appliquées 1 Operations Research 1 Journal of Economics 1 Asia-Pacific Journal of Operational Research 1 International Transactions in Operational Research 1 Balkan Journal of Geometry and its Applications (BJGA) all top 5 Fields 23 Differential geometry (53-XX) 17 Operations research, mathematical programming (90-XX) 10 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 2 General and overarching topics; collections (00-XX) 1 History and biography (01-XX) 1 Global analysis, analysis on manifolds (58-XX) 1 Statistics (62-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 30 Publications have been cited 161 times in 123 Documents Cited by ▼ Year ▼ Metatechnology frontier and convexity: a restatement. Zbl 1430.90329 Kerstens, Kristiaan; O’Donnell, Christopher; van de Woestyne, Ignace 16 2019 Translation surfaces of Weingaryen type in 3-space. Zbl 1349.53008 Dillen, Franki; Goemans, Wendy; Woestyne, Ignace Van de 14 2008 Geometric representation of the mean-variance-skewness portfolio frontier based upon the shortage function. Zbl 1207.91070 Kerstens, Kristiaan; Mounir, Amine; Van de Woestyne, Ignace 12 2011 Comparing Malmquist and Hicks-Moorsteen productivity indices: exploring the impact of unbalanced vs. balanced panel data. Zbl 1339.91091 Kerstens, Kristiaan; Van de Woestyne, Ignace 12 2014 The surface of Scherk in \(\mathbb{E}^3\). A special case in the class of minimal surfaces defined as the sum of two curves. Zbl 0940.53004 Dillen, F.; Van de Woestyne, I.; Verstraelen, L.; Walrave, J. 11 1998 Global and local scale characteristics in convex and nonconvex nonparametric technologies: a first empirical exploration. Zbl 1394.90332 Cesaroni, Giovanni; Kerstens, Kristiaan; van de Woestyne, Ignace 9 2017 Portfolio selection with skewness: a comparison of methods and a generalized one fund result. Zbl 1317.91065 Briec, Walter; Kerstens, Kristiaan; Van de Woestyne, Ignace 9 2013 A note on a variant of radial measure capable of dealing with negative inputs and outputs in DEA. Zbl 1305.90165 Kerstens, Kristiaan; Van de Woestyne, Ignace 8 2014 Minimal homothetical hypersurfaces of a semi-Euclidean space. Zbl 0845.53017 Van de Woestyne, I. 7 1995 Solution methods for nonconvex free disposal hull models: a review and some critical comments. Zbl 1302.90097 Kerstens, Kristiaan; van de Woestyne, Ignace 7 2014 Metafrontier productivity indices: questioning the common convexification strategy. Zbl 1431.91293 Jin, Qianying; Kerstens, Kristiaan; van de Woestyne, Ignace 6 2020 Ruled surfaces of finite type in 3-dimensional Minkowski space. Zbl 0839.53003 Dillen, Franki; Van de Woestyne, Ignace; Verstraelen, Leopold; Walrave, Johan 5 1995 A new characterization of the helicoids. Zbl 0849.53009 Van de Woestyne, Ignace 4 1993 Plant capacity and attainability: exploration and remedies. Zbl 1444.90063 Kerstens, Kristiaan; Sadeghi, Jafar; van de Woestyne, Ignace 4 2019 Enumeration algorithms for FDH directional distance functions under different returns to scale assumptions. Zbl 1434.90071 Kerstens, Kristiaan; Van de Woestyne, Ignace 4 2018 Short- and long-run plant capacity notions: definitions and comparison. Zbl 1430.90226 Cesaroni, Giovanni; Kerstens, Kristiaan; van de Woestyne, Ignace 4 2019 Translation surfaces with vanishing second Gaussian curvature in Euclidean and Minkowski 3-space. Zbl 1134.53003 Goemans, Wendy; van de Woestyne, Ignace 3 2007 Tensor product surfaces of Lorentzian planar curves. Zbl 0842.53018 Mihai, I.; Van de Woestyne, I.; Verstraelen, L.; Walrave, J. 3 1995 Twisted surfaces in Euclidean and Minkowski 3-space. Zbl 1301.53004 Goemans, Wendy; Van de Woestyne, Ignace 3 2013 Constant curvature twisted surfaces in 3-dimensional Euclidean and Minkowski space. Zbl 1329.53009 Goemans, Wendy; van de Woestyne, Ignace 3 2014 Cost functions are nonconvex in the outputs when the technology is nonconvex: convexification is not harmless. Zbl 1475.91130 Kerstens, Kristiaan; Van de Woestyne, Ignace 3 2021 Twisted surfaces with null rotation axis in Minkowski 3-space. Zbl 1346.53015 Goemans, Wendy; Van de Woestyne, Ignace 3 2016 Tensor product surfaces of a Lorentzian plane curve and a Euclidean plane curve. Zbl 0979.53014 Mihai, I.; Van De Woestyne, I.; Verstraelen, L.; Walrave, J. 2 1995 Congestion in production correspondences. Zbl 1396.91334 Briec, Walter; Kerstens, Kristiaan; Van de Woestyne, Ignace 2 2016 Procedures for ranking technical and cost efficient units: with a focus on nonconvexity. Zbl 1495.90092 Kerstens, Kristiaan; Sadeghi, Jafar; Toloo, Mehdi; Van de Woestyne, Ignace 2 2022 Ruled surfaces of constant mean curvature in 3-dimensional Minkowski space. Zbl 0936.53015 Dillen, F.; Van de Woestyne, I.; Verstraelen, L.; Walrave, J. 1 1996 Curves of restricted type in Minkowski space. Zbl 0845.53004 Dillen, F.; Van de Woestyne, I.; Verstraelen, L.; Walrave, J. 1 1993 Clelia curves, twisted surfaces and Plücker’s conoid in Euclidean and Minkowski 3-space. Zbl 1356.53018 Goemans, Wendy; Van de Woestyne, Ignace 1 2016 Plant capacity notions in a non-parametric framework: a brief review and new graph or non-oriented plant capacities. Zbl 1476.90150 Kerstens, Kristiaan; Sadeghi, Jafar; Van de Woestyne, Ignace 1 2020 On flat tensor product surfaces. Zbl 1258.53007 Goemans, Wendy; Van De Woestyne, Ignace 1 2011 Procedures for ranking technical and cost efficient units: with a focus on nonconvexity. Zbl 1495.90092 Kerstens, Kristiaan; Sadeghi, Jafar; Toloo, Mehdi; Van de Woestyne, Ignace 2 2022 Cost functions are nonconvex in the outputs when the technology is nonconvex: convexification is not harmless. Zbl 1475.91130 Kerstens, Kristiaan; Van de Woestyne, Ignace 3 2021 Metafrontier productivity indices: questioning the common convexification strategy. Zbl 1431.91293 Jin, Qianying; Kerstens, Kristiaan; van de Woestyne, Ignace 6 2020 Plant capacity notions in a non-parametric framework: a brief review and new graph or non-oriented plant capacities. Zbl 1476.90150 Kerstens, Kristiaan; Sadeghi, Jafar; Van de Woestyne, Ignace 1 2020 Metatechnology frontier and convexity: a restatement. Zbl 1430.90329 Kerstens, Kristiaan; O’Donnell, Christopher; van de Woestyne, Ignace 16 2019 Plant capacity and attainability: exploration and remedies. Zbl 1444.90063 Kerstens, Kristiaan; Sadeghi, Jafar; van de Woestyne, Ignace 4 2019 Short- and long-run plant capacity notions: definitions and comparison. Zbl 1430.90226 Cesaroni, Giovanni; Kerstens, Kristiaan; van de Woestyne, Ignace 4 2019 Enumeration algorithms for FDH directional distance functions under different returns to scale assumptions. Zbl 1434.90071 Kerstens, Kristiaan; Van de Woestyne, Ignace 4 2018 Global and local scale characteristics in convex and nonconvex nonparametric technologies: a first empirical exploration. Zbl 1394.90332 Cesaroni, Giovanni; Kerstens, Kristiaan; van de Woestyne, Ignace 9 2017 Twisted surfaces with null rotation axis in Minkowski 3-space. Zbl 1346.53015 Goemans, Wendy; Van de Woestyne, Ignace 3 2016 Congestion in production correspondences. Zbl 1396.91334 Briec, Walter; Kerstens, Kristiaan; Van de Woestyne, Ignace 2 2016 Clelia curves, twisted surfaces and Plücker’s conoid in Euclidean and Minkowski 3-space. Zbl 1356.53018 Goemans, Wendy; Van de Woestyne, Ignace 1 2016 Comparing Malmquist and Hicks-Moorsteen productivity indices: exploring the impact of unbalanced vs. balanced panel data. Zbl 1339.91091 Kerstens, Kristiaan; Van de Woestyne, Ignace 12 2014 A note on a variant of radial measure capable of dealing with negative inputs and outputs in DEA. Zbl 1305.90165 Kerstens, Kristiaan; Van de Woestyne, Ignace 8 2014 Solution methods for nonconvex free disposal hull models: a review and some critical comments. Zbl 1302.90097 Kerstens, Kristiaan; van de Woestyne, Ignace 7 2014 Constant curvature twisted surfaces in 3-dimensional Euclidean and Minkowski space. Zbl 1329.53009 Goemans, Wendy; van de Woestyne, Ignace 3 2014 Portfolio selection with skewness: a comparison of methods and a generalized one fund result. Zbl 1317.91065 Briec, Walter; Kerstens, Kristiaan; Van de Woestyne, Ignace 9 2013 Twisted surfaces in Euclidean and Minkowski 3-space. Zbl 1301.53004 Goemans, Wendy; Van de Woestyne, Ignace 3 2013 Geometric representation of the mean-variance-skewness portfolio frontier based upon the shortage function. Zbl 1207.91070 Kerstens, Kristiaan; Mounir, Amine; Van de Woestyne, Ignace 12 2011 On flat tensor product surfaces. Zbl 1258.53007 Goemans, Wendy; Van De Woestyne, Ignace 1 2011 Translation surfaces of Weingaryen type in 3-space. Zbl 1349.53008 Dillen, Franki; Goemans, Wendy; Woestyne, Ignace Van de 14 2008 Translation surfaces with vanishing second Gaussian curvature in Euclidean and Minkowski 3-space. Zbl 1134.53003 Goemans, Wendy; van de Woestyne, Ignace 3 2007 The surface of Scherk in \(\mathbb{E}^3\). A special case in the class of minimal surfaces defined as the sum of two curves. Zbl 0940.53004 Dillen, F.; Van de Woestyne, I.; Verstraelen, L.; Walrave, J. 11 1998 Ruled surfaces of constant mean curvature in 3-dimensional Minkowski space. Zbl 0936.53015 Dillen, F.; Van de Woestyne, I.; Verstraelen, L.; Walrave, J. 1 1996 Minimal homothetical hypersurfaces of a semi-Euclidean space. Zbl 0845.53017 Van de Woestyne, I. 7 1995 Ruled surfaces of finite type in 3-dimensional Minkowski space. Zbl 0839.53003 Dillen, Franki; Van de Woestyne, Ignace; Verstraelen, Leopold; Walrave, Johan 5 1995 Tensor product surfaces of Lorentzian planar curves. Zbl 0842.53018 Mihai, I.; Van de Woestyne, I.; Verstraelen, L.; Walrave, J. 3 1995 Tensor product surfaces of a Lorentzian plane curve and a Euclidean plane curve. Zbl 0979.53014 Mihai, I.; Van De Woestyne, I.; Verstraelen, L.; Walrave, J. 2 1995 A new characterization of the helicoids. Zbl 0849.53009 Van de Woestyne, Ignace 4 1993 Curves of restricted type in Minkowski space. Zbl 0845.53004 Dillen, F.; Van de Woestyne, I.; Verstraelen, L.; Walrave, J. 1 1993 all cited Publications top 5 cited Publications all top 5 Cited by 219 Authors 16 van de Woestyne, Ignace 13 Kerstens, Kristiaan 6 Aydin, Muhittin Evren 5 López Camino, Rafael 4 Briec, Walter 4 Goemans, Wendy 4 Krivonozhko, Vladimir E. 4 Lychev, Andrey V. 4 Munteanu, Marian-Ioan 4 Podinovski, Victor V. 4 Sadeghi, Jafar 3 Aparicio, Juan Pablo 3 de Witte, Kristof 3 Mostafaee, Amin 2 Afsharian, Mohsen 2 Aksoyak, Ferdag Kahraman 2 Bouzdine-Chameeva, Tatiana 2 Cesaroni, Giovanni 2 Dede, Mustafa 2 D’Inverno, Giovanna 2 Ekici, Cumali 2 Fukuyama, Hirofumi 2 Jin, Qianying 2 Kao, Chiang 2 Karakuş, Siddika Özkaldi 2 Külahci, Mihriban Alyamaç 2 Mahlberg, Bernhard 2 Mehdiloo, Mahmood 2 Milin-Šipuš, Željka 2 Öǧrenmiş, Alper Osman 2 Pastor, Jesús T. 2 Sahoo, Biresh Kumar 2 Shiraz, Rashed Khanjani 2 Soleimani-damaneh, Majid 2 Tsionas, Mike G. 2 Yayli, Yusuf 2 Yu, Ming-Miin 1 Abad, Arnaud 1 Abdel Aziz, Hossam S. 1 Ahn, Heinz 1 Ali, Ahmad Tawfik 1 Alodan, Haila 1 An, Qingxian 1 Ang, Sheng 1 Azmi, Rania A. 1 Babaie Asil, Hamidreza 1 Banker, Rajiv D. 1 Bansal, Pooja 1 Basso, Antonella 1 Bekkar, Mohammed 1 Bektaş Demirci, Burcu 1 Bektaṣ, Burcu 1 Blanca, Pérez Gladish 1 Blokhina, N. S. 1 Branda, Martin 1 Büyükkütük, Sezgin 1 Camanho, Ana Santos 1 Carosi, Laura 1 Carroll, Rachael 1 Casu, Barbara 1 Cave, Joshua 1 Chaudhuri, Kausik 1 Chen, Bang-Yen 1 Chen, Janice Y. S. 1 Chen, Jingren 1 Chen, Lei 1 Chen, Li-Hsueh 1 Chen, Xiaohong 1 Chen, Xiaoqing 1 Conlon, Thomas E. 1 Cotter, John 1 Cova-Alonso, David José 1 Dai, Cai 1 Dehkordy, Azam Etemad 1 Deshmukh, Sharief 1 Díaz-Hernández, Juan José 1 Diewert, Walter Erwin 1 Dillen, Franki 1 Dong, Xiaohui 1 Doumpos, Michael 1 Duan, Weilong 1 Dumas, Audrey 1 Erdur, Ayla 1 Ergut, Mahmut 1 Esteve, Miriam 1 Fang, Lei 1 Ferrari, Alessandra 1 Filipan, Ivana 1 Fox, Kevin J. 1 Fukunaga, Tomonori 1 Funari, Stefania 1 Gamkrelidze, Revaz Valerianovich 1 Girardone, Claudia 1 Goh, Joel Weiqiang 1 González, José Manuel Cabello 1 Harms, Sören Guntram 1 Harris, Richard D. F. 1 Hasanis, Thomas 1 Hsiao, Bo 1 Hu, ShengLong ...and 119 more Authors all top 5 Cited in 52 Serials 46 European Journal of Operational Research 7 Results in Mathematics 6 Annals of Operations Research 3 Journal of Mathematical Analysis and Applications 3 Ukrainian Mathematical Journal 3 International Transactions in Operational Research 3 Doklady Mathematics 2 The Journal of Geometric Analysis 2 Journal of Mathematical Sciences (New York) 2 Mediterranean Journal of Mathematics 2 Journal of Industrial and Management Optimization 2 INFOR: Information Systems and Operational Research 1 Mathematical Methods in the Applied Sciences 1 Periodica Mathematica Hungarica 1 Chaos, Solitons and Fractals 1 Beiträge zur Algebra und Geometrie 1 Geometriae Dedicata 1 INFOR 1 Journal of the Korean Mathematical Society 1 Operations Research 1 Publications de l’Institut Mathématique. Nouvelle Série 1 Operations Research Letters 1 Annals of Global Analysis and Geometry 1 Applied Numerical Mathematics 1 Statistics 1 Computers & Operations Research 1 Computational Mathematics and Mathematical Physics 1 Rad Hrvatske Akademije Znanosti i Umjetnosti. Matematičke Znanosti 1 Journal of the Egyptian Mathematical Society 1 Turkish Journal of Mathematics 1 Advances in Applied Clifford Algebras 1 Filomat 1 Top 1 Arab Journal of Mathematical Sciences 1 Mathematical Problems in Engineering 1 Soft Computing 1 Communications of the Korean Mathematical Society 1 CEJOR. Central European Journal of Operations Research 1 Journal of Systems Science and Complexity 1 Decisions in Economics and Finance 1 Bulletin of the Malaysian Mathematical Sciences Society. Second Series 1 Bulletin of the Brazilian Mathematical Society. New Series 1 Central European Journal of Mathematics 1 International Journal of Geometric Methods in Modern Physics 1 International Electronic Journal of Geometry 1 Journal of Nonlinear Science and Applications 1 Bulletin of Mathematical Analysis and Applications 1 TWMS Journal of Pure and Applied Mathematics 1 Iranian Journal of Mathematical Sciences and Informatics 1 Caspian Journal of Mathematical Sciences 1 Mathematical Sciences 1 AIMS Mathematics all top 5 Cited in 17 Fields 67 Operations research, mathematical programming (90-XX) 44 Differential geometry (53-XX) 36 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 12 Statistics (62-XX) 2 General and overarching topics; collections (00-XX) 2 Functions of a complex variable (30-XX) 2 Manifolds and cell complexes (57-XX) 2 Global analysis, analysis on manifolds (58-XX) 1 Mathematical logic and foundations (03-XX) 1 Linear and multilinear algebra; matrix theory (15-XX) 1 Several complex variables and analytic spaces (32-XX) 1 Ordinary differential equations (34-XX) 1 Abstract harmonic analysis (43-XX) 1 Probability theory and stochastic processes (60-XX) 1 Numerical analysis (65-XX) 1 Biology and other natural sciences (92-XX) 1 Systems theory; control (93-XX) Citations by Year Wikidata Timeline The data are displayed as stored in Wikidata under a Creative Commons CC0 License. Updates and corrections should be made in Wikidata.