Homepage

• Qualifications
• Brief CV and citations summary
  
• Research interests
• Students, Visitors & PhD examinations
  
• Research projects
• Some movies
• Recent publications (selection)
  
• Full list of publications
• Scientific journal papers
• Other scientific publications
• Research grants & Awards
• Scientific events (invited talks & meetings organised)
• Media (and related) coverages

• Teaching qualification
• MATH0390 (2019,20,21)
• MATH3567/5567M (2014,16,18,20,22)
• MATH3565/5566M (2020-21)
• MATH0380 (2011-2013,2018)
• MATH1510 (2015)
• MATH5300 (2010-2014)
• MATH1610 (2009)

Qualifications: PhD and MSc (Swiss Federal Institute of Technology in Lausanne EPFL); Postdoctoral Research Fellow (Boston University and Virginia Tech.); Humboldt Research Fellow (University of Munich LMU); Advanced Research Fellow (University of Warwick); Lecturer (2009-13), Associate Professor (2013-21), Professor of Applied Mathematics (since 2022) at University of Leeds

Brief CV and citations summary:  2-page CV (03/2022) 
on: ResearcherID     Google Scholar    ORCiD profile    Researchgate    School of Maths

Expertise & Research Interests: statistical mechanics applied to population dynamics of complex systems in the life and behavioural sciences

• Evolutionary & Population Dynamics in the Life Science: Evolutionary games, Individual-based predator-prey models, population genetics models
• Non-equilibrium Statistical Mechanics: Fluctuation-driven phenomena, stochastic nonlinear processes, exact and field-theoretic methods  for interacting-particle systems
• Complex Dynamics in Behavioural Science: Cooperation and Opinion dynamics, evolution on complex networks
  

EPSRC/NSF project: Eco-Evolutionary Dynamics of Fluctuating Populations

Postdoctoral Research Associate: Dr Lluís Hernández-Navarro

Current PhD students: Xiang Li, Matthew Asker

PhD Students, MSc and UG Students, Visitors, PhD examinations  

Three postgraduate research projects: 1, 2 and 3

I manage the School of Maths' UG summer bursary scheme 

UG & PG student projects: cooperation, voters & rock-paper-scissors 

• Eco-evolutionary dynamics in a public good scenario with switching carrying capacity: Fast (mp4) (ogv) and intermediate (mp4) (ogv) switching. (Paper and more videos)
• Does cyclic dominance lead to stable spiral waves? Well... it depends
• Cyclic dominance and nonlinear mobility: far-field breakup of spirals (e-print)
• Spirals in 2D rock-paper-scissors-like game with linear mobility: avi, ogv (paper)
• Pulsating patterns in 2D lattice Lotka-Volterra model: avi, ogv (paper)
• Chasing waves in 2D predator-prey models: mpg, avi, ogv (paper)

Some recent publications (selection)

• S. Islam, A. Mondal, M. Mobilia, S. Bhattacharyya, and C. Hens,  Effect of mobility in the rock-paper-scissor dynamics with high mortality. Physical Review E 105, 014215:1-7 (2022). Article.. E-print.
• X. Li, M. Mobilia, A. M. Rucklidge, and R.K.P. Zia,  Effects of homophily and heterophily on preferred-degree networks: mean-field analysis and overwhelming transition Journal of Statistical Mechanics: Theory and Experiment 013402:1-27 (2022). Article. E-print.
• X. Li, M. Mobilia, A. M. Rucklidge, and R.K.P. Zia,  How does homophily shape the topology of a dynamic network? Physical Review E 104, 044311:1-12 (2021). Article. E-print.
• S. Shibasaki, M. Mobilia, and S. Mitri,  Exclusion of the fittest predicts microbial community diversity in fluctuating environments. Journal of the Royal Society Interface: 18: 20210613,1-13 (2021). Article. E-print.
• A. Taitelbaum, R. West, M. Assaf, and M. Mobilia,  Population Dynamics in a Changing Environment: Random versus Periodic Switching. Physical Review Letters 125, 048105:1-5 (2020). Article Preprint (main text). Main text + Supplementary Material merged. E-print .
• F. Peruzzo, M. Mobilia, and S. Azaele, Spatial patterns emerging from a stochastic process near criticality. Physical Review X 10, 011032 (2020) Article. Paper. E-print. bioRxiv E-print.
• R. West and M. Mobilia, Fixation properties of rock-paper-scissors games in fluctuating populations. Journal of Theoretical Biology 491, 110135 (2020). Article. Paper. Supplementary Material. E-print (main text & supplementary merged). Figshare resources.
• K. Wienand, E. Frey, and M. Mobilia,  Eco-Evolutionary Dynamics of a Population with Randomly Switching Carrying Capacity. Journal of the Royal Society Interface 15, 20180343:1-12 (2018).  Article.   Preprint (main text). Supplementary Material. E-print (main text & supplementary merged).    Supplementary Info & Resources on figshare.
• R. West, M. Mobilia, and A. M Rucklidge, Survival behavior in the cyclic Lotka-Volterra model with a randomly switching reaction rate. Physical Review E 97 (2018), 022406:1-14. Article. Paper. E-print.
• K. Wienand, E. Frey, and M. Mobilia,  Evolution of a Fluctuating Population in a Randomly Switching Environment. Physical Review Letters 119 (2017), 158301:1-6. Article. Paper. E-print.  Supplementary Material.  Lay Summary.  Accompanying videos: here (mp4) or here (ogv). In the news: UoL and LMU press releases, featured in Phys.org   Long Room  and Alpha Galileo
• U. Dobramysl, M. Mobilia, M. Pleimling, and U. C. Täuber, Stochastic population dynamics in spatially extended predator-prey systems. Journal of Physics A: Mathematical and Theoretical 51 (2018), 063001:1-47. (Topical Review.) On the cover of Journal of Physics A. Article. E-print. Paper.
• D. Sabsovich, M. Mobilia, and M. Assaf, Large Fluctuations in Anti-Coordination Games on Scale-Free Graphs. Journal of Statistical Mechanics: Theory and Experiment 053405 (2017), 1-23.   Article. Paper. E-print.
• A. Mellor, M. Mobilia, and R. K. P. Zia,  Heterogeneous Out-of-Equilibrium Nonlinear q-Voter Model with Zealotry. Physical Review E 95 (2017), 012104:1-15.   Article. Paper. E-print.
• M. Mobilia, A. M. Rucklidge, and B. Szczesny,  The Influence of Mobility Rate on Spiral Waves in Spatial Rock-Paper-Scissors Games. Games 7, 24 (2016).  Article. Paper. E-print.
• A. Mellor, M. Mobilia, and R. K. P. Zia,  Characterization of the Nonequilibrium Steady State of a Heteogeneous Nonlinear q-Voter Model with Zealotry. EPL 113, (2016) 48001:1-6. (Editor's Choice). Article. Paper. E-print.  Supplementary material: here or here
• S. Widder et al., Challenges in microbial ecology: building predictive understanding of community function and dynamics. The ISME Journal 7, 2557 (2016).  Article.   Advance on-line publication.
• M. Mobilia,  Nonlinear q-voter model with inflexible zealots. Physical Review E 92 (2015), 012803:1-11.   Article.   E-print.   Paper.
• A. Mellor, M. Mobilia, S. Redner, A. M. Rucklidge and J. A. Ward,  Influence of Luddism on Innovation Diffusion. Physical Review E 92 (2015), 012806:1-10.   Article. E-print.   Paper
• B. Szczesny, M. Mobilia, and A. M. Rucklidge,  Characterization of spiraling patterns in spatial rock-paper-scissors games. Physical Review E 90 (2014), 032704:1-14.  Article.  E-print.
• A. Szolnoki, M. Mobilia, L.-L. Jiang, B. Szczesny, A. M. Rucklidge, and M. Perc, Cyclic dominance in evolutionary games: A review. Journal of the Royal Society Interface 11, 20140735:1-20 (2014).  Article.  Paper.  E-print.
• A. Szolnoki, M. Perc, and M. Mobilia, Facilitators reveal the optimal interplay between information exchange and reciprocity.  Physical Review E 89 (2014), 042802:1-8. Article.  E-print.
• M. Mobilia, Evolutionary games with facilitators: When does selection favor cooperation? Chaos, Solitons & Fractals 56 (2013), 113-123. Special issue on "collective behavior and evolutionary games". Article. E-print.
• M. Assaf, M. Mobilia, and E. Roberts, Cooperation dilemma in finite populations under fluctuating environments. Physical Review Letters 111 (2013), 238101:1-5. Article. Supplemental Material. E-print.
• B. Szczesny, M. Mobilia, and A. M. Rucklidge, When does cyclic dominance lead to stable spiral waves? EPL 102, (2013) 28012:1-6. Article. E-print. Supplementary material and movies (also available here).
• M. Mobilia, Commitment versus persuasion in the three-party constrained voter model. Journal of Statistical Physics 151 (2013), 69-91. Special issue on the "applications of statistical mechanics to social phenomena". Article. E-print. 
• M. Mobilia, Stochastic dynamics of the prisoner's dilemma with cooperation facilitators. Physical Review E 86 (2012), 011134:1-9. Article. E-print.
See  also this paper. Link to journal.  (Physical Review E 88 (2013), 046102:1-3). 
• M. Assaf* and M. Mobilia*, Metastability and anomalous fixation in evolutionary games on scale-free networks. Physical Review Letters 109 (2012), 188701:1-5. Article. E-print
• M. Mobilia, Fixation and Polarization in a Three-Species Opinion Dynamics Model. EPL 95, (2011) 50002:1-6. Article. E-print
• Q. He, M. Mobilia, and U. C. Täuber, Coexistence in the two-dimensional May-Leonard model with random rates. European Physical Journal B 82 (2011), 97-105. Article. E-print
• M. Assaf* and M. Mobilia*, Fixation of a Deleterious Allele under Mutation Pressure and Finite Selection Intensity. Journal of Theoretical Biology 275 (2011), 93-103. Article. E-print
• Q. He, M. Mobilia, and U. C. Täuber, Spatial Rock-Paper-Scissors Models with Inhomogeneous Reaction Rates. Physical Review E 82 (2010), 051909:1-11. Article. E-print 
• M. Assaf and M. Mobilia, Large Fluctuations and Fixation in Evolutionary Games. J. Stat. Mech., (2010) P09009:1-24. Article. E-print
• M. Mobilia and M. Assaf, Fixation in Evolutionary Games under Non-Vanishing Selection. EPL 91, (2010) 10002:1-6. Article. E-print
• M. Mobilia, Oscillatory Dynamics in Rock-Paper-Scissors Games with Mutations. Journal of Theoretical Biology 264, (2010): 1-10. Article.  E-print
• D. Volovik, M. Mobilia, and S. Redner, Dynamics of Strategic Three-Choice Voting. EPL 85, (2009) 48003:1-5. Article. E-print
• T. Reichenbach, M. Mobilia and E. Frey, Self-Organization of Mobile Populations in Cyclic Competition. Journal of Theoretical Biology 254, (2008): 368-383. Article.  E-print
• T. Reichenbach, M. Mobilia and E. Frey, Mobility promotes and jeopardizes biodiversity in rock-paper-scissors games, Nature 448, (2007) 1046-1049. Article. Supplementary Information. E-print. Selected, evaluated and recommended by Faculty1000 Biology. Selected for the 10 September 2007 issue of the Virtual Journal of Nanoscale Science & Technology
• T. Reichenbach, M. Mobilia and E. Frey, Noise and Correlations in a Spatial Population Model with Cyclic Competition, Physical Review Letters  99, (2007) 238105:1-4. Article. EPAPS Supplementary Notes. E-print. Selected for the 15 December 2007 issue of Virtual Journal of Biological Physics Research
• M. Mobilia, I. T. Georgiev and U. C. Täuber, Phase Transitions and Spatio-Temporal Fluctuations in Stochastic Lattice Lotka-Volterra Models, Journal of Statistical Physics 128, (2007): 447-483. Article. E-print
• P. Pierobon, M. Mobilia, R. Kouyos and E. Frey, Bottleneck-induced transitions in a minimal model for intracellular transport, Physical Review E 74, (2006) 031906:1-13. Article. E-print. Selected for the 25 September 2006 issue of Virtual Journal of Nanoscale Science & Technology
• M. Mobilia, I. T. Georgiev and U. C. Täuber, Fluctuations and correlations in lattice models for predator-prey interaction, Physical Review E 73, (2006) 040903(R):1-4. Article. E-print. Selected for the 1 May 2006 issue of Virtual Journal of Biological Physics Research
• T. Reichenbach, M. Mobilia and E. Frey, Coexistence versus extinction in the stochastic cyclic Lotka-Volterra model, Physical Review E 74, (2006)  051907:1-11. Article. E-print. Selected for the 15 November 2006 issue of Virtual Journal of Biological Physics Research.
• M. Mobilia, B. Schmittmann and R. K. P. Zia, Exact dynamics of a reaction-diffusion model with spatially alternating rates, Physical Review E 71, (2005) 056129:1-12. Article. E-print
• M. Mobilia, Does a Single Zealot Affect an Infinite Group of Voters?, Physical Review Letters 91, (2003) 028701: 1-4. Article. E-print
• M. Mobilia and S. Redner, Majority versus minority dynamics: Phase transition in an interacting two-state spin system, Physical Review E 68, (2003) 046106:1-11. Article. E-print

Research grants & Awards:

• 2019: Grant of the EPSRC Network Plus in Emergence and Physics Far From Equilibrium ("Fluctuations, tipping points and emergence in eco-evolutionary dynamics")
• 2018: Grant from the Leeds School of Mathematics Research Funds ("Fluctuations, tipping points and emergence in eco-evolutionary dynamics")
• 2017: Grant from the Leeds School of Mathematics Research Funds
• 2016: Grant of the Alexander von von Humboldt Foundation to support a Research Leave at the University of Munich (LMU)
• 2016-2020: EPSRC PhD studentship for Robert West (Grant No. EP/N509681/1)
• 2015: Grant from the Leeds School of Mathematics Research Funds
• 2015: Grant of the London Mathematical Society (Financial Support for Research in Pairs - Scheme 4) ("Opinion dynamics on co-evolving networks")
• 2015: Travel grant of the American Physical Society (Biological Physics Division & Moore Foundation)
• 2013-2017: EPSRC CASE award by the KTN for industrial mathematics (Grant No. EP/L50550X/1) for the project "Monitoring and modelling social networks in the digital economy"
• 2010-2014: EPSRC PhD studentship for Bartosz Szczesny (Grant No. EP/P505593/1)
• 2008-2009: Awarded an Advanced Research Fellowship of the Swiss National Science Foundation held at The University of Warwick (Mathematics & Complexity), U.K. (Final part of the award held in Leeds)
• 2008: Warwick North American Travel Fund (NATF) grant BFS07/08
• 2005-2007: Awarded a Research Fellowship of the Alexander von Humboldt Foundation, held at the Arnold Sommerfeld Center for Theoretical Physics, University of Munich (Group of Statistical and Biological Physics), Germany
• 2002-2005: Awarded a Postdoctoral Fellowship of the Swiss National Science Foundation, held at the Boston University (Physics Dpt & Center for BioDynamics) and Virginia Polytechnic Institute & State University, U.S.A.

• 15-17 September 2019: Workshop on "Evolution of interacting populations", Max-Planck-Institute for Evolutionary Biology, Plön, Germany. Talk: "Eco-Evolutionary Dynamics in Randomly Switching Environments".
• 27 August 2019: Invited seminar at the Department of Fundamental Biology University of Lausanne, Switzerland.
• 2-5 July 2019: Organization of the international L19EEDs workshop on "Fluctuations, tippings points and emergence ine co-evolutionary dynamics'' University of Leeds.
• 19-22 June 2018: Invited Research Visit to the Jacobs University of Bremen.
• 26-29 March 2018: British Applied Mathematics Colloquium 2018, University of St Andrews:"Eco-Evolutionary Dynamics in a Randomly Switching Environment: Competition & Cooperation".
• 25 July 2017: Organisation of the CoSyDy Meeting on "Network Dynamics and Structure", University of Leeds: Programme. Abstracts of the talks.
• 26 Jan. 2017: Invited seminar by the Dynamics and Control Group at the University of Exeter.
• 17 Nov. 2016: Invited to speak at LSFrey's Group Seminar at Arnold Sommerfeld Center, University LMU Munich: "The influence of fluctuating selection and facilitators on the prisoner's dilemma".
  
• 30 Sept. 2016: Invited Speaker at the LSFrey annual retreat in Antholz.
• 18-22 July 2016: Speaker at the STATPHYS26 Meeting in Lyon: "Nonlinear q-Voter Models with Zealotry: Switching Dynamics and Non-Equilibrium Steady State".
  
• 4-7 July 2016: Invited Speaker at the "Workshop Evolution, Statistical Mechanics and Information Theory" in Munich.
• 18-20 May 2016: Invited Speaker at the Meeting "The Dynamics of Complex Systems: A meeting in honour of the 60th birthday of Robert MacKay FRS" in Warwick: "Switching dynamics and non-equilibrium steady state in nonlinear q-voter models with zealotry".
  
• 12 May 2016: Organization (with Jon Ward) of the LMS-funded CoSyDy Meeting on "Dynamics of Agent-Based Models" in Leeds.
• 21-25 September 2015: Invited Speaker at the EPSRC Workshop on "Fluctuation-driven phenomena in non-equilibrium statistical mechanics", Warwick. "The influence of zealotry on the nonlinear q-voter model".
  
• 13th July 2015: Talk at the Workshop on Modelling Change in Socio-Economic Systems of the EPSRC NetworkPlus, London. "Nonlinear q-voter model with zealots."
  
• 15th May 2015: Invited seminar at the Department of Engineering Mathematics of the University of Bristol, "Spiralling patterns in evolutionary models with cyclic competition"
• 14th May 2015: Invited seminar at the Department of Mathematics of the University of Bath
• 02-06/03/2015: Invited speaker at the 2015 APS March Meeting of the American Physical Society in San Antonio (Texas, USA): Abstract. Invited presentation on "spiraling patterns in evolutionary models inspired by bacterial games with cyclic dominance". Slides
• 20th January 2015: Invited seminar at the Department of Mathematics of the Durham University, "Spiralling patterns in models inspired by bacterial games with cyclic competition"
• 20th January 2015: Invited seminar at the Department of Mathematics of the Durham University
• August-December 2014: Visiting Fellow at the Isaac Newton Institute for Mathematical Sciences on the programme Understanding Microbial Communities; Function, Structure and Dynamics
  
• 10-11/05/2014: Invited speaker at the Symposium on "Novel Applications of Statistical Mechanics: A Celebration of Sidney Redner's Contributions" (Sid Redner's Festschrift) in Boston: "Zealotry, persuasion and polarization in voter models".
  
• 29/11/2013: Invited speaker at the CS&F Conference in Amsterdam dedicated to their Special Issue on "Collective behavior and evolutionary games": "Prisoner's dilemma in the presence of facilitators and under extrinsic noise"
  
• 09-13/09/2013: Invited speaker at the workshop on Models from statistical mechanics in applied sciences at Warwick:"Coexistence and Metastability in Evolutionary Games".
• 12-13/06/2013: Member of the EPSRC mathematics prioritisation panel
• 07/06/2013: Invited Complex Systems Group seminar in York: "Large fluctuations and metastability in evolutionary games".
• 05/06/2013: Organiser of the Complexity Systems Dynamics (CoSyDy) Meeting on "Complexity in economics and social dynamics" in Leeds
• 15/05/2013: Invited speaker at the meeting on "Complex and emergent behaviours" in Manchester, "Large-fluctuation effects on the fixation of a deleterious allele under mutation pressure".
• 02-03/05/13: Invited speaker at the Workshop on "Interacting particle models in the physical, biological and social sciences" at Warwick,"Polarization, zealotry and persuasion in the three-party constrained voter model".
  
• 12/04/2013: Invited speaker at the "complex networks mini-symposium" of the British Applied Maths Colloquium 2013: "Anomalous metastability and fixation properties of evolutionary games on scale-free networks".
• 01/11/2012: Talk on "Polarization, commitment and persuasion in the three-party constrained voter model" in the Leeds Probability, Stochastic modelling and Financial modelling seminar series.
• 03/09/2012: Talk on "Anomalous metastability and fixation in evolutionary games on scale-free graphs" (abstract) given at the 2012 European Conference on Complex Systems (ECCS'12) in Brussels
• 25/05/12: Invited lecturer/speaker at a Postgraduate School on Complex Systems in Brussels, "Rock-paper-scissors dynamics and cyclic bacterial games: biodiversity and complex patterns"
• 09/03/12: Invited seminar in the Department of Mathematics at University of Surrey, "Consensus & polarization in a three-state constrained voter model"
• 02/03/12: Organiser of the Complexity Systems Dynamics (CoSyDy) Meeting on "Evolution and Diversity in Complex Systems" in Leeds
• 14-16/11/11: Invited Speaker at the Conference "Sociophysics: do humans behave like atoms?" (Paris): "Consensus & Polarization in a Three-State Constrained Voter Model"
• 29/09/11: Invited seminar in the School of Mathematics at University of Edinburgh, "Co-evolutionary dynamics of rock-paper-scissors and cyclic bacterial games"
• 12-16/09/11: Invited Speaker at "Current Trends in Game Theory" a Satellite of the 2011 European Conference on Complex Systems in Vienna: Large Fluctuations & Fixation in Evolutionary Games with Non-Vanishing Selection
• 09-10/06/11: Invited Speaker at the international meeting on "Mathematics in the Science of Complexity" in Warwick: Consensus & Polarization in Constrained Opinion Dynamics
• 13/06/11: Co-organisation of the IOP workshop on "Complexity of evolutionary processes in biology and the behavioural sciences" in Manchester
• Since 2011: Organisation & coordination of the Applied Postgraduate Seminar series in the School of Mathematics at Leeds.
• Since 2010: Organisation & coordination of seminar series on "Mathematical Biology and Medicine"  in the School of Mathematics at Leeds.
• Since 2010: Member of the EPSRC College
• Since 2010: Chair of the Complex Systems Dynamics (CoSyDy) network
• 15/11/10: Organisation of a CoSyDy Meeting on "Movement in Models of Mathematical Biology" in Warwick.
• 01/02/10: Organisation of a CoSyDy Meeting on the "Mathematics of Evolutionary Dynamics" in Warwick.
• 11/05/10: Invited talk in the CABDyN Seminars series at Oxford on "Large fluctuations & fixation in evolutionary games with non-vanishing selection"
• Jan. 2010: Invited speaker at the Conference on "Non-equilibrium dynamics of spatially extended interacting particle systems" (Warwick): "Modelling biodiversity & pattern formation in communities exhibiting cyclic dominance"
• August 2009: Invited speaker at the Conference on "Giant Fluctuations and Population Dynamics" (Leiden): Evolutionary dynamics and pattern formation in communities exhibiting cyclic dominance 
• 27/04/09: Organisation of  "Patterns in Complexity", a  PANDA (patterns formation, nonlinear dynamics and applications) meeting in Leeds.
• 30/03-01/04/09: Speaker at the Graduate School on "Stochastic modelling in biology" in Leeds: "Introduction to evolutionary game theory" (lecture 1, lecture 2).
• 23/09/09: Organisation of the workshop on "Statistical mechanics of molecular and cell biology"  in Warwick.
• Organisation & management of the Postgraduate School on Mathematics of Evolutionary Dynamics (Warwick, 11-13/12/2007)
  

• Topical Review featured on the cover of Journal of Physics A: Mathematical and Theoretical
• "Evolution of a Fluctuating Population in a Randomly Switching Environment" PRL paper featured in Phys.org   Long Room and Alpha Galileo  
• Press releases by the University of Leeds  and University of Munich (LMU)   (also in German ) about our PRL paper  
• Figure 12(a) of our PRE paper  selected by Physical Review E as part of their "kaleidoscope"
• In Spanish: Rock, paper or scissors and the biodiversity via co-evolution  based on my JTB paper   in "Francis (th)E mule Science's News".
• "Biodiversity in Spatial Rock-Paper-Scissors Games" in Mathematica's Wolfram Demonstration Projects
• Paper Nature, 448, (2007) 1046-1049 selected, evaluated and recommended by Faculty of 1000 Biology 
• In Nature (Vol. 448, p. xi), Editor's Summary: Species on the move
• In Physicsworld: Zealots put the spin into voting
• "Stochastic Rock-Paper-Scissors Population Dynamics" in Mathematica's Wolfram Demonstration Projects
• In Science News magazine (Vol. 172, N. 18): Rock, paper, toxins [Full text]
• In Italian: Particles and voting behaviours (20-minute interview on a national radio programme "il volo delle oche", Radio24. ll Sole 24 Ore, 26/09/03), and Are zealots like electronic spins ? (Le Scienze on-line)
• In German: Mobility hinders biodiversity - Sedentary strategies for an eco-paradise (Pressrelation.de) and pro-physik.de, and Perturbation of a group of voters (Spektrumdirekt)
• In Russian: Popular science article in the news portal Rambler