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Gareth Baxter completed his PhD in Theoretical Physics in 2006 at The University of Manchester. He is currently employed as Assistant Professor in the Physics department and the i3N research institute at the University of Aveiro. His research is in the areas of statistical physics, focusing on complex network theory, percolation and critical phenomena, cultural evolution, spreading processes, opinion dynamics. His publications include one book and over thirty peer reviewed journal articles and book chapters. He participates and/or participated as Principal investigator in 2 projects and Researcher in 6 other projects. He has supervised 1 MSc dissertation to completion and currently supervises 2 PhD students and 2 Master's students. He has taught a variety of courses in Physics and Mathematics, currently being responsible for a second year course in Mathematical Physics.
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Identification

Personal identification

Full name
Gareth John Baxter

Citation names

  • Baxter, Gareth

Author identifiers

Ciência ID
5A1C-3973-462D
ORCID iD
0000-0002-0445-9455
Google Scholar ID
JUtnV_QAAAAJ
Researcher Id
J-4548-2013

Addresses

  • Departamento de Física, Universidade de Aveiro. Campus Universitario de Santiago, 3810-193, Aveiro, Aveiro, Portugal (Professional)

Knowledge fields

  • Exact Sciences - Physical Sciences - Condensed Matter Physics
  • Humanities - Languages and Literatures - Linguistics

Languages

Language Speaking Reading Writing Listening Peer-review
English (Mother tongue)
Portuguese Upper intermediate (B2) Upper intermediate (B2) Upper intermediate (B2) Advanced (C1) Upper intermediate (B2)
Italian Intermediate (B1) Elementary (A2) Elementary (A2) Intermediate (B1) Elementary (A2)
Affiliation

Science

Category
Host institution 		Employer
2016/12/02 - 2022/10/09 Principal Investigator (Research) Universidade de Aveiro, Portugal
Instituto de Nanoestruturas Nanomodelação e Nanofabricação, Portugal
(...)
2011/04/01 - 2016/11/30 Postdoc (Research) Fundação para a Ciência e a Tecnologia, Portugal
2008/08/06 - 2011/03/31 Postdoc (Research) Universidade de Aveiro, Portugal
2006 - 2008 Postdoc (Research) Victoria University of Wellington, New Zealand

Teaching in Higher Education

Category
Host institution 		Employer
2022/10/10 - Current Assistant Professor (University Teacher) Universidade de Aveiro, Portugal
Universidade de Aveiro Departamento de Física, Portugal
2016 - Current Lecturer (University Teacher) Universidade de Aveiro, Portugal
2015 - 2016 Tutor (University Teacher) Universidade de Aveiro, Portugal

Others

Category
Host institution 		Employer
1999 - 2002 Business Analyst TransAlta, New Zealand
Projects

Grant

Designation Funders
2020/07/01 - 2023/06/30 AUGMANITY: Augmented Humanity
LISBOA-01-0247-FEDER-046103
Researcher
Universidade de Aveiro, Portugal
Ongoing
2016/12/02 - 2021/12/01 Stochastic Models of Social Mobilisations
IF/00726/2015
Principal investigator
Instituto de Nanoestruturas Nanomodelação e Nanofabricação, Portugal

Universidade de Aveiro, Portugal
Fundação para a Ciência e a Tecnologia
Ongoing
2012/11/01 - 2016/10/31 Foundational Research on MULTIlevel comPLEX networks and systems
327532
Researcher
Instituto de Nanoestruturas Nanomodelação e Nanofabricação, Portugal

Universidade de Aveiro, Portugal
Community Research and Development Information Seventh Framework Programme Research and Innovation Security
Concluded
2014/04 - 2015/06 Protection and Recovery of Interdependent Network Systems
Provided by PTCRIS: 134300
Principal investigator
Universidade de Aveiro, Portugal

Instituto de Nanoestruturas Nanomodelação e Nanofabricação, Portugal
Fundação para a Ciência e a Tecnologia
Concluded
2011/03 - 2014/06 Cellular automata and stochastic processes on random graphs and their spectral properties
Provided by PTCRIS: 114515
Researcher
Fundação para a Ciência e a Tecnologia
2010/05 - 2013/11 Optimization of complex networks: statistical physics approaches to finding optimal architectures for information, cellular and technological networks
Provided by PTCRIS: 108476
Researcher
Fundação para a Ciência e a Tecnologia
2010/02 - 2013/02 Structure and dynamics of neural networks
Provided by PTCRIS: 103904
Researcher
Fundação para a Ciência e a Tecnologia
2008/08 - 2011/04 SOCIALNETS Social Networking for Pervasive Adaptation
217141
Researcher
Instituto de Nanoestruturas Nanomodelação e Nanofabricação, Portugal

Universidade de Aveiro, Portugal
Community Research and Development Information Seventh Framework Programme Research and Innovation Security
Concluded

Contract

Designation Funders
2021/01/01 - 2025/12/31 Instituto de Nanoestruturas, Nanomodelação e Nanofabricação
LA/P/0037/2020
10.54499/LA/P/0037/2020
UNINOVA Instituto de Desenvolvimento de Novas Tecnologias, Portugal

Universidade de Aveiro, Portugal

Associação para a Inovação e Desenvolvimento da FCT, Portugal

Universidade NOVA de Lisboa, Portugal

Instituto de Nanoestruturas Nanomodelação e Nanofabricação, Portugal
Fundação para a Ciência e a Tecnologia
Ongoing
2019/01/01 - 2019/12/31 Institute of Nanostructures, Nanomodelling and Nanofabrication
UID/CTM/50025/2019
Universidade do Minho, Portugal

UNINOVA Instituto de Desenvolvimento de Novas Tecnologias, Portugal

Universidade de Aveiro, Portugal

Universidade NOVA de Lisboa Faculdade de Ciências e Tecnologia, Portugal

Associação para a Inovação e Desenvolvimento da FCT, Portugal

Universidade NOVA de Lisboa, Portugal

Instituto de Nanoestruturas Nanomodelação e Nanofabricação, Portugal
Fundação para a Ciência e a Tecnologia
Concluded
2011/01/01 - 2012/12/31 Projecto Estratégico - LA 25 - 2011-2012
PEst-C/CTM/LA0025/2011
Universidade do Minho, Portugal
 Fundação para a Ciência e a Tecnologia
Concluded
Outputs

Publications

Book
  1. Baxter, Gareth; da Costa, Rui A.; Dorogovtsev, Sergey N.; Mendes, José Fernando. Weak Multiplex Percolation. Cambridge, United Kingdom: Cambridge University Press. 2021.
    Published • 10.1017/9781108865777
Book chapter
  1. Baxter, Gareth J.; Cellai, Davide; Dorogovtsev, Sergey N.; Goltsev, Alexander V.; Mendes, José F. F.. "A Unified Approach to Percolation Processes on Multiplex Networks". In Understanding Complex Systems, 101-123. Springer International Publishing, 2016.
    10.1007/978-3-319-23947-7_6
  2. Baxter, G.J.. "Social networks and beyond in language change". 257-277. 2015.
  3. Baxter, G.J.; Dorogovtsev, S.N.; Goltsev, A.V.; Mendes, J.F.F.. "Avalanches in multiplex and interdependent networks". 2014.
    10.1007/978-3-319-03518-5-2
  4. Baxter, G. J.; Dorogovtsev, S. N.; Goltsev, A. V.; Mendes, J. F. F.. "k-Core Organization in Complex Networks". In Handbook of Optimization in Complex Networks, 229-252. United States: Springer US, 2011.
    10.1007/978-1-4614-0754-6_9
Conference paper
  1. Baxter, G.; Frean, M.; Noble, J.; Rickerby, M.; Smith, H.; Visser, M.; Melton, H.; Tempero, E.. "Understanding the shape of Java software". 2006.
    10.1145/1167473.1167507
Journal article
  1. Cirigliano, Lorenzo; Castellano, Claudio; Baxter, Gareth J.; Timár, Gábor. "Strongly clustered random graphs via triadic closure: An exactly solvable model". Physical Review E 109 2 (2024): http://dx.doi.org/10.1103/physreve.109.024306.
    10.1103/physreve.109.024306
  2. Filipe Barroso; Diogo Gomes; Gareth J. Baxter. "Inference of Causal Networks Using a Topological Threshold". IEEE Access (2024): https://doi.org/10.1109/ACCESS.2024.3451626.
    10.1109/ACCESS.2024.3451626
  3. Baxter, Gareth; da Costa, R.A.; Dorogovtsev, S.N.; Mendes, J.F.F.. "Weak percolation on multiplex networks with overlapping edges". Chaos, Solitons & Fractals 164 (2022): 112619. http://dx.doi.org/10.1016/j.chaos.2022.112619.
    Published • 10.1016/j.chaos.2022.112619
  4. Machado, G.; Baxter, Gareth. "Effect of initial infection size on a network susceptible-infected-recovered model". Physical Review E 106 1 (2022): http://dx.doi.org/10.1103/physreve.106.014307.
    10.1103/physreve.106.014307
  5. da Costa, Rui A.; Baxter, Gareth; Dorogovtsev, Sergey N.; Mendes, José Fernando. Corresponding author: da Costa, Rui A.. "Hidden transition in multiplex networks". Scientific Reports (2022):
    In press
  6. Baxter, Gareth. "Degree dependent transmission rates in epidemic processes". Journal of Statistical Mechanics: Theory and Experiment 2021 10 (2021): 103501-103501. http://dx.doi.org/10.1088/1742-5468/ac2a9b.
    10.1088/1742-5468/ac2a9b
  7. G. J. Baxter; R. A. da Costa; S. N. Dorogovtsev; J. F. F. Mendes. "Filtering Statistics on Networks". Entropy 22 10 (2020): 1149-1149. https://doi.org/10.3390/e22101149.
    10.3390/e22101149
  8. G. J. Baxter; R. A. da Costa; S. N. Dorogovtsev; J. F. F. Mendes. "Exotic critical behavior of weak multiplex percolation". Physical Review E 102 3 (2020): https://doi.org/10.1103/PhysRevE.102.032301.
    10.1103/PhysRevE.102.032301
  9. G. J. Baxter; R. A. da Costa; S. N. Dorogovtsev; J. F. F. Mendes; Baxter, G.¿J.; da Costa, R.¿A.; Dorogovtsev, S.¿N.; Mendes, J.¿F.¿F.. "Complex Distributions Emerging in Filtering and Compression". Physical Review X 10 1 (2020): 011074. https://doi.org/10.1103/PhysRevX.10.011074.
    10.1103/PhysRevX.10.011074
  10. Baxter, G.J.; Timár, G.; Mendes, J.F.F.. "Targeted damage to interdependent networks". Physical Review E 98 3 (2018): http://www.scopus.com/inward/record.url?eid=2-s2.0-85053841732&partnerID=MN8TOARS.
    10.1103/PhysRevE.98.032307
  11. Baxter, G.J.; Bianconi, G.; Da Costa, R.A.; Dorogovtsev, S.N.; Mendes, J.F.F.. "Correlated edge overlaps in multiplex networks". Physical Review E - Statistical, Nonlinear, and Soft Matter Physics 94 1 (2016): http://www.scopus.com/inward/record.url?eid=2-s2.0-84978224432&partnerID=MN8TOARS.
    10.1103/PhysRevE.94.012303
  12. Baxter, G.; Croft, W.. "Modeling language change across the lifespan: Individual trajectories in community change". Language Variation and Change 28 2 (2016): 129-173. http://www.scopus.com/inward/record.url?eid=2-s2.0-84975318483&partnerID=MN8TOARS.
    10.1017/S0954394516000077
  13. Baxter, G.J.; Cellai, D.; Dorogovtsev, S.N.; Mendes, J.F.F.. "Cycles and clustering in multiplex networks". Physical Review E 94 6 (2016): http://www.scopus.com/inward/record.url?eid=2-s2.0-85006381824&partnerID=MN8TOARS.
    10.1103/PhysRevE.94.062308
  14. Baxter, G.J.; Dorogovtsev, S.N.; Lee, K.-E.; Mendes, J.F.F.; Goltsev, A.V.. "Critical dynamics of the k-core pruning process". Physical Review X 5 3 (2015): http://www.scopus.com/inward/record.url?eid=2-s2.0-84946054784&partnerID=MN8TOARS.
    10.1103/PhysRevX.5.031017
  15. Baxter, G.J.; Dorogovtsev, S.N.; Mendes, J.F.F.; Cellai, D.. "Weak percolation on multiplex networks". Physical Review E - Statistical, Nonlinear, and Soft Matter Physics 89 4 (2014): http://www.scopus.com/inward/record.url?eid=2-s2.0-84899713445&partnerID=MN8TOARS.
    10.1103/PhysRevE.89.042801
  16. Baxter, G. J.; Dorogovtsev, S. N.; Goltsev, A. V.; Mendes, J. F. F.. "Avalanche Collapse of Interdependent Networks". Physical Review Letters 109 24 (2012):
    10.1103/PhysRevLett.109.248701
  17. Baxter, Gareth J.; Blythe, Richard A.; McKane, Alan J.. "Fast fixation with a generic network structure". Physical Review E 86 3 (2012):
    10.1103/PhysRevE.86.031142
  18. Baxter, G.J.. "A voter model with time dependent flip rates". Journal of Statistical Mechanics: Theory and Experiment 2011 9 (2011): http://www.scopus.com/inward/record.url?eid=2-s2.0-80053542846&partnerID=MN8TOARS.
    10.1088/1742-5468/2011/09/P09005
  19. Baxter, G.J.; Dorogovtsev, S.N.; Goltsev, A.V.; Mendes, J.F.F.. "Heterogeneous k-core versus bootstrap percolation on complex networks". Physical Review E - Statistical, Nonlinear, and Soft Matter Physics 83 5 (2011): http://www.scopus.com/inward/record.url?eid=2-s2.0-79961078843&partnerID=MN8TOARS.
    10.1103/PhysRevE.83.051134
  20. Baxter, G.J.; Dorogovtsev, S.N.; Goltsev, A.V.; Mendes, J.F.F.. "Bootstrap percolation on complex networks". Physical Review E - Statistical, Nonlinear, and Soft Matter Physics 82 1 (2010): http://www.scopus.com/inward/record.url?eid=2-s2.0-77954327275&partnerID=MN8TOARS.
    10.1103/PhysRevE.82.011103
  21. Baxter, Gareth J.; Blythe, Richard A.; Croft, William; McKane, Alan J.. "Modeling language change: An evaluation of Trudgill's theory of the emergence of New Zealand English". Language Variation and Change 21 2 (2009): 257-296. http://dx.doi.org/10.1017/s095439450999010x.
    10.1017/s095439450999010x
  22. Baxter, G. J.; Blythe, R. A.; McKane, A. J.. "Fixation and Consensus Times on a Network: A Unified Approach". Physical Review Letters 101 25 (2008): http://dx.doi.org/10.1103/physrevlett.101.258701.
    10.1103/physrevlett.101.258701
  23. Baxter, G.J.; Blythe, R.A.; McKane, A.J.. "Exact solution of the multi-allelic diffusion model". Mathematical Biosciences 209 1 (2007): 124-170. http://dx.doi.org/10.1016/j.mbs.2007.01.001.
    10.1016/j.mbs.2007.01.001
  24. Baxter, G.J.; Blythe, R.A.; Croft, W.; McKane, A.J.. "Utterance selection model of language change". Physical Review E - Statistical, Nonlinear, and Soft Matter Physics 73 4 (2006): http://www.scopus.com/inward/record.url?eid=2-s2.0-33645796712&partnerID=MN8TOARS.
    10.1103/PhysRevE.73.046118
  25. Baxter, G.; McKane, A.J.; Tarlie, M.B.. "Quantifying stochastic outcomes". Physical Review E - Statistical, Nonlinear, and Soft Matter Physics 71 1 (2005): http://www.scopus.com/inward/record.url?eid=2-s2.0-41349106326&partnerID=MN8TOARS.
    10.1103/PhysRevE.71.011106
  26. Barker, P.; Barnett, I.; Baxter, G.; Byrne, A.. "Half-life of the superallowed positron emitter O14". Physical Review C 70 2 (2004): http://dx.doi.org/10.1103/physrevc.70.024302.
    10.1103/physrevc.70.024302
Activities

Oral presentation

Presentation title Event name
Host (Event location)
2023/04/28 Weak percolation on multiplex networks with overlapping layers Complenet; International Conference on Complex Networks
(Aveiro, Portugal)
2023/02/10 Sistemas Complexos e a Física de Tudo ENEF 2023 National Meeting of Physics Students
University of Aveiro (Aveiro, Portugal)
2022/02/10 Degree Dependent Transmission Rates in an Epidemic Model NetSciX: International School and Conference on Network Science
(Porto, Portugal)
2021/01/14 Percolation in Networks Seminar Doctoral Programme in Mathematics
University of Evora (Evora, Portugal)
2020/11/18 Percolation in Networks Federal University of Bahia Institute of Physics Graduate Program in Physics
Federal University of Bahia (Bahia, Brazil)
2017/06 Critical dynamics of the interdependent network transition NetoNets17
(Indianapolis, United States)
2017/06 Using a mathematical model to study language change Cognitive Network Science Symposium
(Indianapolis, United States)
2015/06 Two Patterns of Language Change Language and Network Science Symposium
(Zaragoza, Spain)
2013/06 Aging, Apparent Time and the Adolescent Peak in a Language Change Model Language and Network Science Symposium
(Copenhagen, Denmark)
2006/11 Emerging Science Running Hot! Science in New Zealand Conference
(Christchurch, New Zealand)

Supervision

Thesis Title
Role 		Degree Subject (Type)
Institution / Organization
2020/10/01 - Current A complex networks approach to Root Cause Analysis
Supervisor
 Física (MAP-FIS) (PhD)
Universidade de Aveiro, Portugal
2020/09/01 - Current Competing and Coevolving Contagions in Social Networks
Supervisor
 Física (MAP-FIS) (PhD)
Universidade de Aveiro Departamento de Física, Portugal
2021/09 - 2023/06 Generation of Causal Networks and Model of Influence Propagation
Supervisor
 Master's in Engineering Physics (Master)
Universidade de Aveiro Departamento de Física, Portugal
2021/09/01 - 2022/12/21 Production Line Fault Prediction and Root Cause Identification Using Neural Networks and Graph Neural Networks
Supervisor
 Engenharia Física (Master)
Universidade de Aveiro, Portugal
2019/03 - 2019/12 Threshold Generalization of a Contagion Model on Complex Networks
Supervisor
 Mestrado em Física (Master)
Universidade do Porto, Portugal

Event organisation

Event name
Type of event (Role) 		Institution / Organization
2023/04/25 - 2023/04/28 Complenet 2023 International Conference on Complex Networks (2023/04/25 - 2023/04/28)
Conference (Member of the Organising Committee)
 Universidade de Aveiro, Portugal
2016 - 2016 Organising committee, Summer Solstice 2016: 8th International Conference on Discrete Models of Complex Systems, Aveiro, Portugal (2016/06 - 2016/06)
Conference (Member of the Organising Committee)
2013 - 2013 Co-organiser, Language and Network Science symposium, Copenhagen, Denmark (2013/06 - 2013/06)
Symposium (Co-organisor)

Conference scientific committee

Conference name Conference host
2024/10 - Current Complenet: International Conference on Complex Networks
2018 - 2023 Complex Networks: International Conference on Complex Networks and their Applications

Course / Discipline taught

Academic session Degree Subject (Type) Institution / Organization
2023/02 - Current Modelling of Physical Systems Engenharia Informática (Licenciatura) Universidade de Aveiro, Portugal
2023/02 - Current Modelling of Networks Física (Mestrado integrado) Universidade de Aveiro, Portugal
2022/09 - Current Elements of Mathematical Physics Matemática (Licenciatura) Universidade de Aveiro, Portugal
2017/09 - 2021/02 Física Matematica (Mathematical Physics) 2nd Year Undergraduate Engenheria Física (Mestrado integrado) Universidade de Aveiro, Portugal

Journal scientific committee

Journal title (ISSN) Publisher
2018/05 - Current PLoS ONE (1932-6203) Public Library of Science
2020/08 - 2021/02 Entropy (Special Issue) (1099-4300) MDPI Journals
Distinctions

Award

2023 Physical Review Journals Outstanding Referee
American Physical Society, United States

Other distinction

2002 Top Achiever Doctoral Scholarship
New Zealand Tertiary Education Commission, New Zealand
2002 Overseas Research Student Scholarship