Find Academic Supervisors

• Geometry and Topology
• Singularity Theory
• Differential Geometry
• +7 more

Raul Adrian Oset Sinha is an Associate Professor in the Department of Mathematics at the Faculty of Mathematics, University of Valencia, Spain. His research is centered on singularity theory, differential geometry, and topology, particularly focusing on stable maps, geometric invariants, and the geometry of singular surfaces. His work lies at the intersection of Geometry and Topology , Singularity Theory , and Global Analysis . He investigates the geometric structure of mappings from manifolds, especially in low dimensions, analyzing projections, curvature properties, and topological invariants of singular images. The trends in his publications reveal a consistent focus on stable mappings , projections of surfaces , and classification of singularities . His recent work explores axial curvature, frontal surfaces, and augmentations, contributing to the understanding of geometric behavior in higher codimensions and corank-one settings. He is a member of the research group GEOSING: Singularities, Generic Geometry and Applications , collaborating with leading experts such as M. A. S. Ruas, F. Tari, and K. Saji. His publications appear in journals like Mathematische Annalen , Advances in Geometry , and Journal of Singularities . Oset Sinha earned his PhD from the University of Valencia in 2009 under the supervision of Dr. Maria del Carmen Romero Fuster. His thesis, Topological invariants of stable maps from 3-manifolds to three-space , laid the foundation for his ongoing research in singularity theory. He has advised students and supervised research, though specific names are not listed. He actively collaborates internationally and contributes to the academic community through peer reviewing and editorial work.

• Singularity Theory
• Differential Geometry
• Topology
• +6 more

Juan José Nuño Ballesteros is a Professor in the Department of Mathematics at the Faculty of Mathematics, Universitat de València, Spain. He is a leading researcher in singularity theory, with a focus on the geometry and topology of singular spaces and mappings. His work bridges differential geometry, topology, and complex analysis, particularly in the study of map germs, determinantal singularities, and equisingularity. He obtained his PhD from the Universitat de València in 1991 under the supervision of Dr. Angel Montesinos Amilibia, with a thesis on global generic properties of curves in R³. He is a core member of the research group GEOSING (Singularities, Generic Geometry and Applications), contributing significantly to the understanding of singularities in low-dimensional spaces. His research interests include: Singularity Theory Differential Geometry Topology of Manifolds Several Complex Variables Algebraic Geometry Global Analysis His most recent publications (2020–2024) continue to explore foundational problems in singularity theory, including the Mond conjecture, equisingularity of families, and the topology of Milnor fibrations. His work often involves deep interactions with collaborators from Brazil, Japan, and other European institutions, reflecting a strong international research network. Nuño Ballesteros has authored over 100 publications, including a major book with David Mond. His research has been widely cited, indicating significant impact in the mathematical community. He has supervised several PhD students, including João Nivaldo Tomazella, Bruna Oréfice-Okamoto, and Juan Antonio Moya-Pérez, contributing to the training of the next generation of mathematicians in singularity theory. There are no indications of retirement or emeritus status; he remains an active researcher, with recent publications confirming his ongoing scholarly contributions.

• Geometry and Topology
• Singularity Theory
• Global Analysis
• +4 more

Juan Antonio Moya Pérez is a faculty member in the Department of Mathematics at the Universitat de València, affiliated with the Faculty of Mathematics. He is part of the GEOSING research group, focusing on Singularities, Generic Geometry, and Applications. His academic work centers on advanced topics in geometry and topology, particularly the analysis of singularities in smooth mappings. His research interests lie primarily in Geometry and Topology , with a focus on Singularity Theory , Global Analysis on Manifolds , Several Complex Variables , and Algebraic Geometry . His work investigates the topological structure of map germs, especially from R^n to R^n, and explores concepts such as Gauss words, Euler integration, and semi-algebraic functions. His publications reflect a deep engagement with classification problems and topological invariants in low-dimensional settings. The trends in his research articles show a consistent focus on the topological properties of singularities in smooth mappings , particularly in dimensions two and three. His work combines combinatorial methods (like Gauss words) with analytical and geometric techniques to classify and understand the behavior of map germs. There is a strong emphasis on topological triviality , critical sets , and Euler characteristic-based integration over semi-algebraic sets. Doctorate: Universitat de València (2013) Thesis: "Gauss words and the topology of finitely determined map germs from R^n to R^n" Advisor: Dr. Juan José Nuño Ballesteros He has collaborated extensively with Juan José Nuño-Ballesteros and Nicolas Dutertre, contributing to journals such as Journal of Singularities , Journal of the Mathematical Society of Japan , and Proceedings of the Royal Society of Edinburgh . No information is available regarding students supervised or research grants. There are no mentions of scientific awards or honors in the provided texts.

• Singularity Theory
• Several Complex Variables and Analytic Spaces
• Global Analysis and Manifold Theory
• +7 more

Guillermo Peñafort Sanchis is a permanent faculty member in the Department of Mathematics at the Faculty of Mathematics, University of Valencia. His research is centered on singularity theory, complex analytic geometry, and global analysis, with a focus on finite holomorphic maps, multiple point spaces, and disentanglements. He is affiliated with the research group GEOSING (Singularities, Generic Geometry and Applications). Ph.D., University of Valencia, 2016 Thesis: Multiple point spaces of finite holomorphic maps Supervisors: Dr. Washington Luiz Marar, Dr. Juan José Nuño-Ballesteros His research interests lie at the intersection of algebraic geometry, complex analysis, and topology. He investigates the geometric and topological properties of singularities of mappings, particularly in low-dimensional complex spaces. His work often involves computing invariants such as the image Milnor number and analyzing stability and versality conditions in the context of the Mond conjecture. He employs tools from commutative algebra, differential geometry, and singularity theory to derive structural results about map-germs and their multiple point loci. The most recent articles reflect a sustained focus on disentanglements, reflection maps, and invariants of weighted-homogeneous map-germs. These works contribute to foundational questions in singularity theory, particularly concerning the topology of images and multiple point spaces. The recurring themes include Jacobian modules, stability, and the classification of singularities under equivalence relations. No scientific awards or prizes are listed in the provided sources. Guillermo Peñafort Sanchis has collaborated with prominent mathematicians such as Juan José Nuño-Ballesteros, Washington Luiz Marar, Farid Tari, and Matthias Zach. While no advisees are listed, his collaborative research suggests an active role in the mathematical community. There is no mention of grants in the provided texts. He is a member of the GEOSING research group, which focuses on singularities and their applications in geometry. This group likely involves collaborative projects, seminars, and joint publications centered on singularity theory and its interactions with other areas of mathematics.

Fernando Castedo DoradoView profile

Associate Professor

• Forest Ecology
• Environmental Science
• Biological Modeling
• +3 more

Fernando Castedo Dorado is a University Associate Professor in the Department of Engineering and Agricultural Sciences at the School of Agricultural and Forestry Engineering, University of León. He holds a PhD in Forestry Engineering from Universidade de Santiago de Compostela (2004). Academic Background : Technical Forestry Engineer (1996) Forestry Engineer (1999) Doctorate in Forestry Engineering (2004) Research Focus : His work centers on biotic/abiotic risk modeling in forest ecosystems, including: Forest fuel dynamics (canopy/ground) and fire severity Growth loss from invasive pests (e.g., Asian chestnut gall wasp) Climate-productivity relationships in eucalyptus and pine stands IoT-based forest health monitoring Article Trends : Recent publications emphasize invasive pest interactions, climate change impacts on forest productivity, fuel load modeling using LiDAR/Sentinel-2, and citizen science applications for damage reporting. Professional Roles : Currently coordinates the interuniversity MasterFUEGO program in forest fires. Previously held teaching roles at the University of León (2002-2008). International Experience : Conducted postdoctoral research at: USDA Forest Service (2004) Georg-August-Universität Göttingen (2005) Universidade de Trás-Os-Montes (2011) Universidad de La Plata (2023) Research Groups : Active member of DRACONES (modeling complex forest environments) and collaborator with UXAFORES at Universidade de Santiago de Compostela.

• Differential Geometry
• Geometry and Topology
• Several Complex Variables and Analytic Spaces
• +7 more

Oscar Macia Juan is an Associate Professor in the Department of Mathematics at the University of Valencia, affiliated with the Faculty of Mathematics. He is a member of the Geometric Analysis Group U.V. (GAGUV), focusing on advanced topics in differential geometry and mathematical physics. His research interests span Differential Geometry , Geometry and Topology , Several Complex Variables and Analytic Spaces , and their applications in Special Geometry , Supersymmetry , and Harmonic Mappings . His work bridges pure mathematics and theoretical physics, particularly in the context of supersymmetric field theories and supergravity. The recent publications highlight a consistent focus on geometric structures arising from theoretical physics, such as the c-map, quaternionic Kähler geometry, and harmonic mappings into quadrics. The research trend shows a deep engagement with moduli spaces, isometric embeddings, and the interplay between hyper-Kähler and quaternionic Kähler geometries, often in relation to supersymmetry. No scientific awards were mentioned in the provided texts. He earned his PhD from the University of Valencia in 2007 with a thesis on deformations and contractions in supersymmetric field theories and supergravity, supervised by Dr. María Antonia Lledó Barrena. There is no information available on students he may have advised or research grants he has led. Oscar Macia Juan is actively involved in research collaborations, with co-authors including Andrew Swann, Yasuyuki Nagatomo, and Sergio Ferrara, contributing to high-impact journals in geometry and mathematical physics.

María Del Carmen Álvarez CastroView profile

Professor

• Climate Science
• Atmospheric Dynamics
• Historical Climatology
• +4 more

María Del Carmen Álvarez Castro is a Full Professor at the Universidad Pablo de Olavide in Spain, where she works within the Department of Physical, Chemical and Natural Systems. She serves as a researcher in the Earth and Atmospheric Sciences group and holds the prestigious Beatriz Galindo Distinguished Researcher title since July 2023. Her academic journey culminated with a PhD from Universidad Pablo de Olavide in 2014, with her thesis focusing on the Westerly Index derived from Royal Navy navigation logs (1685-2008). Dr. Álvarez Castro specializes in climate science with a focus on atmospheric dynamics, historical climatology, and extreme weather events. Her research spans several critical areas including Mediterranean cyclones, climate change impacts, and the development of climate services tools. She has made significant contributions to understanding the dynamical properties of atmospheric circulation, heatwaves, and paleoclimatic conditions. Her scholarly output reveals a consistent focus on climate services development, particularly through the Climate Services Toolbox (CSTools), which has evolved to version 4.0. Her recent work (2024-2025) demonstrates an expanded research scope addressing contemporary climate challenges including heatwaves under warming scenarios, Mediterranean cyclone development, and the impacts of Saharan greening on Euro-Atlantic climate patterns. Beatriz Galindo Distinguished Researcher (2023) As a leading climate scientist, Dr. Álvarez Castro has supervised doctoral research and contributed to numerous collaborative projects. Her work bridges fundamental climate science with practical applications through climate services development. She has been instrumental in creating tools that translate complex climate data into actionable information for decision-makers, with particular relevance for climate-sensitive sectors including water, energy, agriculture, and health.

• Biomedical Signal Processing
• Sleep Apnea Detection
• Heart Rate Variability (HRV)
• +4 more

Daniel Romero Pérez is a researcher at the Institute for Bioengineering of Catalonia (IBEC) , specializing in Biomedical Signal Processing and Interpretation . His work focuses on developing computational models for detecting respiratory events in sleep apnea, analyzing cardiovascular responses to hypoxia, and applying machine learning to improve diagnostics for conditions like Brugada syndrome and COPD. Key Research Areas : Heart Rate Variability (HRV), ECG analysis, obstructive sleep apnea, COPD, Brugada syndrome, computational modeling Technologies : Dynamic Bayesian Networks, time-warping analysis, quaternion-based algorithms His recent publications demonstrate cross-disciplinary applications of artificial intelligence in medicine, particularly for non-invasive diagnostic systems. Collaborations include clinical institutions and biomedical engineering teams across Europe. Current projects involve: Prediction of obstructive apnea episodes using ECG time-series Non-linear HRV quantification in OSA models Respiratory rate estimation from vectorcardiograms

Piotr ZwiernikView profile

Associate Professor

• Graphical Models
• Covariance Matrix Estimation
• Convex Analysis
• +7 more

Piotr Zwiernik is a Professor Agregat in the Department of Economics and Business at Universitat Pompeu Fabra (UPF), Barcelona, and a member of the BSE Data Science Center. He is currently on leave from the Department of Statistical Sciences and the Department of Mathematics at the University of Toronto. His research bridges statistics, algebraic geometry, and machine learning, focusing on graphical models, covariance estimation, tensors, and algebraic methods in statistics. Research Interests: Graphical Models Covariance Matrix Estimation Convex Analysis Tensors Algebraic and Combinatorial Methods in Statistics Statistical Learning Theory His recent publications span high-impact journals such as the Annals of Statistics , Biometrika , and Journal of the Royal Statistical Society . The work demonstrates a consistent trend in developing mathematically rigorous frameworks for understanding dependence structures, latent variable models, and high-dimensional inference, often leveraging tools from algebraic geometry and convex optimization. Key themes include total positivity, tensor methods, and the geometry of statistical models. Scientific Recognition: Editorial Board Member, Journal of the Royal Statistical Society Series B (JRSS-B) Editorial Board Member, Biometrika Editorial Board Member, Scandinavian Journal of Statistics Editorial Board Member, Algebraic Statistics Zwiernik actively mentors students and is seeking PhD candidates with strong mathematical backgrounds at UPF and the Institute of Mathematics of UPC. He has led the development of several open-source R packages, including golazo , MTP2binary , and StructuralEM , facilitating research in graphical models and latent structures. His work is supported by a network of collaborations with leading statisticians and has significant theoretical and applied implications in data science. Laboratories and Research Groups: Statistics@UPF BSE Data Science Center

• Forest Ecology
• Dendrochronology
• Climate Change Ecology
• +4 more

Jesús Julio Camarero is a prominent researcher specializing in forest ecology and dendrochronology with a primary focus on Mediterranean ecosystems. He leads the research group Estructura y Función en Ecosistemas Mediterráneos (Structure and Function in Mediterranean Ecosystems) under the Natural Resources, Energy and Environment research area, and contributes to the Biodiversity and Conservation Biology doctoral program. His work bridges field observations with tree-ring analysis to address critical questions in global change biology. Education: PhD in Ecology from Universitat de Barcelona (1999), thesis: Growth and regeneration patterns and processes in Pinus uncinata Ram. Treeline ecotones in the Pyrenees and in an isolated population in the western distribution limit in Spain , supervised by Dr. Emilia Gutiérrez Merino Dr. Camarero's research centers on tree and forest responses to climate change, particularly drought stress and extreme events. He employs dendrochronological methods to analyze growth patterns, resilience mechanisms, and mortality drivers across diverse ecosystems including Mediterranean woodlands, alpine treelines, and tropical forests. His work examines species-specific adaptations, climate-growth relationships, and the complex interactions between biotic stressors (e.g., pathogens, mistletoe) and abiotic factors. Key contributions include developing frameworks for quantifying drought vulnerability and understanding legacy effects in tree growth. His recent publications reveal a strong global focus with field sites spanning Spain, China, Romania, and the Himalayas. The research consistently uses tree-ring chronologies to decode climate impacts, showing particular emphasis on Mediterranean pine and oak species, alpine shrubline dynamics, and cross-continental comparisons of drought responses. A recurring theme is the decoupling of growth responses from other physiological processes during stress events. Dr. Camarero actively collaborates through initiatives like the Red Ibérica de Decaimiento Forestal inducido por el Clima (ReDeC) (Spanish Network for Climate-Induced Forest Dieback) and contributes to major datasets including the European Beech tree-ring archive (1952-2020) and Basal Area Increment monitoring from Spanish silviculture sites. His work informs forest management strategies under climate change, particularly regarding assisted migration and drought mitigation techniques. He leads the Estructura y Función en Ecosistemas Mediterráneos research group, which investigates biodiversity patterns, ecosystem functioning, and conservation challenges in Mediterranean environments. The team integrates dendroecology with soil science, remote sensing, and physiological measurements to address forest vulnerability across multiple spatial and temporal scales.

• Functional Analysis
• Operator Theory
• Harmonic Analysis
• +7 more

Antonio Galbis Verdu is a Full Professor in the Department of Mathematical Analysis at the Faculty of Mathematics, University of Valencia, Spain. His research is centered on functional analysis, operator theory, and harmonic analysis, with a particular focus on ultradifferentiable functions, time-frequency analysis, and convolution operators. PhD, Universitat de València, 1988 His research interests include functional analysis, operator theory, harmonic analysis on Euclidean spaces, partial differential equations, and integral transforms. He works extensively with weighted spaces of holomorphic functions, Gelfand-Shilov spaces, and pseudodifferential operators. His work often bridges abstract functional analytic frameworks with concrete problems in analysis and mathematical physics. The recent articles highlight a strong and consistent research trajectory in functional and harmonic analysis, particularly in time-frequency localization, Gabor systems, and operator theory on function spaces such as Fock and modulation spaces. The publications demonstrate deep engagement with ultradifferentiable function classes, convolution and Toeplitz operators, and foundational aspects of frame theory in non-Banach settings. The keywords span functional analysis, operator theory, and harmonic analysis, with subfields including time-frequency analysis, pseudodifferential operators, and spaces of smooth and holomorphic functions. There are no scientific awards explicitly mentioned in the provided text. Antonio Galbis has collaborated extensively with researchers such as José Bonet, Carmen Fernández, Joachim Toft, and David Jornet. He has been involved in numerous joint publications, indicating a strong advisory and collaborative role in the mathematical community. While specific grant details are not provided, his sustained publication record in high-impact journals suggests active funding support. He is a member of the research group ESALDI (Spaces and Algebras of Differentiable Functions), which focuses on functional analytic structures and their applications. He is a key member of the ESALDI research group at the University of Valencia, which investigates spaces and algebras of differentiable functions, with applications to partial differential equations and operator theory. This group fosters collaboration on advanced topics in analysis and supports the training of early-career researchers.

Jose NavarroView profile

Professor

• Work and Organizational Psychology
• Work Motivation Dynamics
• Affective Events Theory
• +4 more

Jose Navarro is a Full Professor in Work and Organizational Psychology at the University of Barcelona (UB), Department of Social Psychology. He currently serves as the Delegate of the Rector of the UB for the promotion of research. Navarro is affiliated with several professional organizations including the European Association of Work and Organizational Psychology, the Society for Chaos Theory in Psychology and Life Sciences, and SCEPS (the Spanish scientific association of social psychologists). His educational background includes: Doctor of Psychology (Organizational Psychology) from University of Barcelona (1997-2001) Master's in Groups Psychology from University of Barcelona (1993-1995) Bachelor's in Psychology from University of Barcelona (1991-1993) Professor Navarro's research primarily focuses on work motivation dynamics, particularly the causes of work motivation changes in the short and medium term. His work explores the role of emotions and attributions in workplace motivation, applying within-person analysis approaches to understand temporal dynamics. He has developed expertise in complexity science applications to organizational behavior, nonlinear dynamics in work psychology, and team effectiveness. His research methodology often employs intensive longitudinal designs, day reconstruction techniques, and nonlinear analytical approaches to capture the dynamic nature of workplace phenomena. Navarro has held several leadership positions at the University of Barcelona, including Head of Department from 2016-2020 and Assistant Professor from 1997-2001. His academic contributions span numerous publications in prestigious journals such as European Journal of Work and Organizational Psychology, Journal of Organizational Behavior, and Human Relations. He has published extensively on topics including affect and motivation relationships at work, temporal dynamics in work motivation, within-person analysis of work motivation, teamwork and team competences, and complexity science applications in organizational behavior. His research has practical implications for understanding how work motivation fluctuates throughout the day and week, how emotions influence motivation, and how organizations can design work environments that support sustained motivation. Professor Navarro's work bridges theoretical advancements with practical applications for human resource management and organizational development.

• Functional Analysis
• Operator Theory
• Complex Analysis
• +5 more

Alejandro Miralles Montolio is an Associate Professor in the Department of Mathematical Analysis at the Faculty of Mathematics, University of Valencia. His research is centered on functional analysis, operator theory, and complex analysis, particularly in infinite-dimensional settings. His research interests include: Functional Analysis, especially in Banach and Hilbert spaces Operator Theory, with a focus on composition operators Complex and Several Complex Variables, particularly Bloch functions and interpolating sequences Geometric and topological properties of function spaces Dynamical systems in nonautonomous settings His recent publications (2021–2023) continue his long-standing focus on interpolation in Bloch-type spaces, composition operators on function spaces over Hilbert and Banach unit balls, and structural properties of topological rings. The work consistently lies at the intersection of complex analysis and functional analysis, often exploring operator-theoretic properties of analytic functions in infinite dimensions. Key recurring themes include boundedness, invertibility, spectral behavior, and geometric structure. He has collaborated extensively with prominent mathematicians such as Pablo Galindo, Oscar Blasco, and Mikael Lindström. While no specific awards are listed, his sustained publication record in high-quality journals reflects recognition in his field. Miralles has contributed to significant results in interpolation theory, dynamical systems, and the geometry of Banach spaces. His work on sensitive dependence in nonautonomous systems and on renorming properties demonstrates breadth within his core mathematical domains. He is affiliated with the research group DRAFBE (Differentiability, Renormings and Analytic Functions on Banach Spaces). Contact information is available via his institutional email.

• Second Language Acquisition
• Bilingualism and Multilingualism
• Cognitive Linguistics
• +5 more

Dr Irini Mavrou is a faculty member at Universidad Antonio de Nebrija , Spain, where she belongs to the School of Language and Education in the area of General Linguistics . She is an active researcher in two institutional groups: CINC Nebrija Research Center on Cognition and LAELE Nebrija Research Group on Linguistics Applied to the Teaching of Foreign Languages . Education: PhD, Universidad Antonio de Nebrija, 2015 – Thesis: Memoria operativa y complejidad cognitiva en la expresión escrita de aprendientes griegos de ELE (Working memory and cognitive complexity in the written expression of Greek learners of Spanish as a foreign language) Research interests lie at the intersection of cognitive linguistics, second-language acquisition, and emotion research . She investigates how working memory capacity and emotional intelligence modulate L2 writing performance, the ways bilinguals and heritage speakers verbalise emotions across their languages, and how foreign-language medium influences moral judgements and social evaluations. Across her publications, a clear trend emerges: rigorous experimental designs (behavioural and mixed-methods) are applied to authentic populations—immigrant learners, heritage adolescents, and multilingual adults—in order to understand the cognitive and affective variables that shape language use. The work spans pragmatic impoliteness , moral psychology , heritage language maintenance , and pedagogical interventions for vulnerable groups such as minors in foster care. Scientific awards: None explicitly mentioned in the provided text. Doctoral supervision & research leadership: While her own 2015 thesis was supervised by Dr Cecilia Ainciburu and Dr Angeliki Alexopoulou, she now participates in the training of new scholars within Nebrija’s doctoral programmes and research groups, though specific advisee names are not listed. Laboratories & teams: Dr Mavrou carries out her research within CINC (Nebrija Research Center on Cognition) and the LAELE group, both of which provide psycholinguistic testing facilities, eye-tracking, and writing-process technologies for experimental studies.

Álvaro Bustinduy CandelasView profile

Professor

• Several Complex Variables
• Analytic Spaces
• Vector Fields
• +4 more

Álvaro Bustinduy Candelas is a Professor in the Department of Mathematics at the Higher Polytechnic School of Universidad Nebrija in Madrid, Spain. He is an active member of the MA Nebrija Research Group on Mathematics and its Applications, focusing on complex analysis and dynamical systems. His academic career is marked by significant contributions to the theory of holomorphic vector fields and several complex variables. Doctorate from Universidad Complutense de Madrid (2004) Thesis: "Campos vectoriales holomorfos completos y condición jacobiana" Supervisors: Dr. Luis Giraldo Suárez and Dr. Jesús Muciño Raymundo His research primarily centers on holomorphic vector fields, complete polynomial vector fields, and their connections to algebraic geometry and dynamical systems. Bustinduy Candelas has made significant contributions to understanding the completeness of vector fields, exceptional values of holomorphic functions, and the relationship between vector fields and polynomial maps. His work often explores the topological and geometric properties of trajectories in complex spaces, particularly in $\mathbb{C}^2$ and higher dimensions. Analysis of his publication record since 2003 reveals a consistent focus on the interplay between complex analysis and algebraic geometry, with particular attention to the Jacobian problem, complete vector fields, and the structure of holomorphic foliations. His research demonstrates deep connections between local and global properties of complex vector fields and their trajectories. Bustinduy Candelas has collaborated extensively with Luis Giraldo and Jesús Muciño-Raymundo, producing numerous joint publications that have been cited in various mathematical contexts. His work has appeared in prestigious journals including Advances in Mathematics, Journal of Differential Equations, and Mathematische Annalen. 16 publications indexed in zbMATH since 2003 34 reviewing activities documented Cited 30 times across 19 documents His research has established important results regarding the completeness of vector fields being determined by non-algebraic trajectories, the structure of vector fields with simply connected trajectories, and the relationship between meromorphic functions and complete vector fields. These contributions have advanced the understanding of complex dynamical systems and their geometric properties.