Publications
Publications
Preprints
Eigendecompositions of temporal networks
Lucas Lacasa
Submitted for publication
Leveraging chaos in the training of artificial neural networks
Pedro Jiménez-González, Miguel C. Soriano, Lucas Lacasa
Submitted for publication
Predictability of temporal network dynamics in normal ageing and brain pathology
Annalisa Caligiuri, David Papo, Gorsev Yener, Bahar Guntekin, Tobias Galla, Lucas Lacasa, Massiliano Zanin
Submitted for publication
A Certifiable Machine Learning-Based Pipeline to Predict Fatigue Life of Aircraft Structures
Ángel Ladrón, Miguel Sánchez-Domínguez, Javier Rozalén, Fernando R. Sánchez, Javier de Vicente, Lucas Lacasa, Eusebio Valero, Gonzalo Rubio
Submitted for Publication
Books
Optimización matemática: en busca de la mejor opción
Lucas Lacasa / Ediciones El Pais, EMSE EDAPP, ISBN 978-84-17811-92-1 (2019) Translated to three languages
2025
97. Transfer learning-enhanced deep reinforcement learning for aerodynamic airfoil optimisation subject to structural constraints
David Ramos, Lucas Lacasa, Eusebio Valero, Gonzalo Rubio
Physics of Fluids 37, 085194 (2025) | Preprint
96. Scalar embedding of temporal network trajectories
Lucas Lacasa, F. Javier Marín-Rodríguez, Naoki Masuda, Lluís Arola-Fernández
Chaos, Solitons & Fractals 199, 1 (2025)
95. NAc-DBS selectively enhances memory updating without effect on retrieval
Andrés Pérez-Segura, Jorge Medina, Antonio Cedán Cerdá, Cristina Sánchez Ferri, Daniel Torres, Claudio Mirasso, Bryan Strange, Víctor M. Eguíluz, Lucas Lacasa, Santiago Canals
Neuropsychopharmacology (2025)
94. Characterising the dynamics of unlabelled temporal networks
Annalisa Caligiuri, Tobias Galla, Lucas Lacasa
Chaos 35, 053122 (2025) Highlighted as Editor Pick
93. Towards certification: A complete statistical validation pipeline for supervised learning in industry
Lucas Lacasa, Abel Pardo, Pablo Arbelo, Miguel Sánchez, Pablo Yeste, Noelia Bascones, Alejandro Martínez-Cava, Gonzalo Rubio, Ignacio Gómez, Eusebio Valero, Javier de Vicente
Expert Systems With Applications 277 (2025)
2024
92. Effective theory of collective deep learning
Lluís Arola-Fernández and Lucas Lacasa
Physical Review Research 6, L042040 (2024)
Featured UIB, Biotech-Spain, IFISC news
91. On the structure of species-function participation in multilayer ecological networks
Sandra Hervías-Parejo, Mar Cuevas-Blanco, Lucas Lacasa, Anna Traveset, Isabel Donoso, Rubén Heleno, Manuel Nogales, Susana Rodríguez-Echeverría, Carlos Melián, Victor M. Eguíluz
Nature Communications 15, 8910 (2024)
Featured CSIC, Madri+D, BC3
90. High-order correlations reveal complex memory in temporal hypergraphs
Luca Gallo, Lucas Lacasa, Vito Latora, Federico Battiston
Nature Communications 15, 4754 (2024)
Featured in Nature Communication's Editor's Highlights
Featured CSIC, Madri+D, SmartCityJournal, diCyt, UIB, la Palmesana, Ondacero (from 1h40min)
89. Dynamical stability and chaos of artificial neural network trajectories along training
Kaloyan Danovski, Miguel C. Soriano and Lucas Lacasa
Frontiers in Complex Systems 2 (2024)
2023
88. Network bypasses sustain complexity
Ernesto Estrada, Jesús Gómez-Gardeñes, Lucas Lacasa
PNAS 120, 31 (2023)
87. Irreversibility of symbolic time series: a cautionary tale
Lluis Arola-Fernandez, Lucas Lacasa
Physical Review E 108, 014201 (2023)
86. Chaotic renormalization group flow and entropy gradients over Haros graphs
Jorge Calero-Sanz, Bartolo Luque, Lucas Lacasa
Physical Review E 107, 4 (2023)
85. Lyapunov Exponents for Temporal Networks
Annalisa Caligiuri, Victor M. Eguiluz, Leonardo Di Gaetano, Tobias Galla, Lucas Lacasa
Physical Review E 107, 4 (2023)
2022
84. Visibility graphs of animal foraging trajectories
Leticia R. Paiva, Sidiney G. Alves, Lucas Lacasa, Og DeSouza, Octavio Miramontes
Journal of Physics: Complexity 3, 4 (2022)
83. Haros graphs: an exotic representation of real numbers
Jorge Calero-Sanz, Bartolo Luque, Lucas Lacasa
Journal of Complex Networks 10, 5 (2022)
82. Correlations of network trajectories
Lucas Lacasa, Jorge P. Rodriguez, Victor M Eguiluz
Physical Review Research 4, L042008 (2022)
81. Algorithmic hospital catchment area estimation using label propagation
Rob Challen, Gareth Griffith, Lucas Lacasa, Krasimira Tsaneva-Atanasova
BMC Health Services Research 22, 828 (2022)
80. The shape of memory in temporal networks
Oliver E. Williams, Lucas Lacasa, Ana P. Millan, Vito Latora
Nature Communications 13, 499 (2022)
2021
79. Estimates of regional infectivity of COVID-19 in the United Kingdom following imposition of social distancing measures
Robert Challen, Krasimira Tsaneva-Atanasova, Martin Pitt, Tom Edwards, Luke Gompels, Lucas Lacasa, Ellen Brooks-Pollock, Leon Danon
Philosophical Transactions of the Royal Society B 376: 20200280 (2021)
Theme issue ‘Modelling that shaped the early COVID-19 pandemic response in the UK’
78. Beyond pairwise network similarity: exploring mediation and suppression between networks
Lucas Lacasa, Sebastiano Stramaglia, Daniele Marinazzo
NPG Communications Physics 4, 136 (2021)
77. Household networks and bubbling: insights from percolation theory
Ellen Brooks-Pollock, Lucas Lacasa, Leon Danon
Philosophical Transactions of the Royal Society B 376: 20200284 (2021)
Theme issue ‘Modelling that shaped the early COVID-19 pandemic response in the UK’
76. A population-based controlled experiment assessing the epidemiological impact of digital contact tracing
Pablo Rodriguez, Santiago Grana, Eva Elisa Alvarez-Leon, Manuela Battaglini, Francisco Javier Darias, Miguel A. Hernan, Raquel Lopez, Paloma Llaneza, Maria Cristina Martin, RadarCovidPilot Group, Oriana Ramirez-Rubio, Adriana Romani, Berta Suarez-Rodriguez, Javier Sanchez-Monedero, Alex Arenas, and Lucas Lacasa
Nature Communications 12, 587 (2021)
Featured in News Medical, Medical Xpress, El Pais, Eureka Alert, Nature, QMUL news, IFISC news, Redaccion Medica, URV, Tarragona Digital
75. COVID-19 ans its global economic impact
Zahra Kolahchi, Manlio Di Domenico, Lucina Q Uddin, Valentina Cauda, Igor Grossmann, Lucas Lacasa, Giulia Grancini, Morrteza Mahmoudi, Nima Rezai
in Coronavirus Disease-COVID-19 (Springer, Cham) (2021). 825-837
2020
74. A flexible method for optimising sharing of healthcare resources and demand in the context of the COVID-19 pandemic
Lucas Lacasa, Robert Challen, Ellen Brooks-Pollock, Leon Danon
PLoS One 15 (10): e0241027 (2020).
Featured in QMUL news , iNews , Daily Mail , Financial Press ,Ultima Hora ,Innovadores , AAAS news
Radio interview (Radio Illa Formentera)
73. Shopper intent prediction from clickstream e-commerce data with minimal browsing information
Borja Requena, Giovanni Cassani, Jacopo Tagliabue, Ciro Greco, Lucas Lacasa
NPG Scientific Reports 10, 16983 (2020)
Featured in COVEO blog
72. Arrow of time across five centuries of classical music
Alfredo Gonzalez-Espinosa, Gustavo Martinez-Mekler, Lucas Lacasa
Physical Review Research 2, 033166 (2020)
Featured in Scientific American , Investigacion y Ciencia
71. Visibility graphs for image processing
Jacopo Iacovacci, Lucas Lacasa
IEEE Transactions in Pattern Analysis and Machine Intelligence 42, 4 (2020)
70. Multilayer Models of Random Sequences: Representability and Inference via Nonlinear Population Monte Carlo
Joaquín Míguez, Lucas Lacasa, José A. Martínez-Ordóñez, Inés P. Mariño
2019 IEEE 8th International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP)
69. Predicting success in the worldwide start-up network
Moreno Bonaventura, Valerio Ciotti, Pietro Panzarasa, Silvia Liverani, Lucas Lacasa, Vito Latora
NPG Scientific Reports 10, 345 ( 2020)
Featured in AAAS , phys.org ,wired , 7th space ,QMUL
2019
68. Linguistic laws in speech: the case of catalan and spanish
Antoni Hernandez-Fernandez, Ivan G. Torre, Juan Maria Garrido, Lucas Lacasa
Entropy 21, 12 (2019)
67. Silver-screen or starving? Predicting success in showbiz
Oliver E. Williams, Lucas Lacasa
TheScienceBreaker (2019)
66. On the spectral properties of Feigenbaum graphs
Ryan Flanagan, Lucas Lacasa, Vincenzo Nicosia
Journal of Physics A: Mathematical and Theoretical 53, 2 (2019)
Featured in Physics World
65. On the physical origin of linguistic laws and lognormality in speech
Ivan G. Torre, Bartolo Luque, Lucas Lacasa, Christopher T. Kello, Toni Hernandez-Fernandez
Royal Society Open Science 6, 8 (2019)
64. Prediction is very hard, especially about conversion. Predicting user purchases from clickstream data in fashion e-commerce
Luca Bigon, Giovanni Cassani, Ciro Greco, Lucas Lacasa, Mattia Pavoni, Andrea Polonioli, Jacopo Taglabiue
Accepted at AI For Fashion workshop and KDD (KDD, Anchorage, Alaska, 2019)
63. Quantifying and predicting success in show business
Oliver E. Williams, Lucas Lacasa, Vito Latora
Nature Communications 10, 2256 (2019)
Research highlighted and featured in over 100 different media including:
Nature Eurekalert (AAAS) The Guardian El Pais The Times El Periodico phys.org Agencia SINC
Discover The Telegraph Natureasia Mail Online cosmosmagazine Science Daily El Espectador
zmescience El Colombiano La Sexta World News Buz La Jornada Cultura Inquieta QMUL
62. Effect of antipsychotics on community structure in functional brain networks
Ryan Flanagan, Lucas Lacasa, Emma K. Towlson, Sang Hoon Lee and Mason Porter
Journal of Complex Networks 7, 6 (2019)
61. Newcomb-Benford law helps customs officers to detect fraud in international trade
Lucas Lacasa
PNAS 116, 1 (2019)
60.Election Forensics: quantitative methods for electoral fraud detection
Lucas Lacasa, Juan Fernandez-Gracia
Forensic Science International 294 (2019) e19-e22
2018
59. Las multitudes suenas afinadas... incluso si todos sus miembros desentonan
Lucas Lacasa
The Conversation (26 August 2018)
Featured in Diario Publico culturizando.com
58. Multiplex decomposition of non-Markovian dynamics and the hidden layer reconstruction problem
Lucas Lacasa, Inés Pérez-Mariño, Joaquín Miguez, Vincenzo Nicosia, Edgar Roldan, Ana Lisica, Stephan W. Grill and Jesús Gómez-Gardeñes
Physical Review X 8, 031038 (2018)
57. The dynamics of norm change in the cultural evolution of language
Roberta Amato, Lucas Lacasa, Albert Diaz-Guilera, Andrea Baronchelli
PNAS 115, 33 (2018)
Featured in City University Press QMUL Press Release Le Scienze (italian version of Scientific American) Madri+D
56. Visibility graphs and symbolic dynamics
Lucas Lacasa, Wolfram Just
Physica D 374, 35-44 (2018)
55. On the thermodynamic origin of metabolic scaling
Fernando Ballesteros, Vicent Martinez, Bartolo Luque, Lucas Lacasa, Enric Valor and Andres Moya
NPG Scientific Reports 8, 1448 (2018)
Featured in Investigación y Ciencia (spanish version of Scientific American) Science Daily
medicalxpress alphagalileo Institute for Integrative Systems Biology (University of Valencia) (English version) La Vanguardia (24/01/2018) Agencia Sinc (27/1/2018) Cátedra de Divulgación de la Ciencia (University of Valencia) Observatorio UPM (Technical University of Madrid) Comunica Valencia (27/1/2018) Tecnoxplora (lasexta | Atresmedia) El Espectador (4/2/2018) Radio Nacional de España (Broadcast min 19) La ciencia de la Mula Francis laoropendolasostenible datoanuncios.org CONEC
54. On a dynamical approach to some prime number sequences
Lucas Lacasa, Bartolo Luque, Ignacio Gomez, Octavio Miramontes
Entropy 20, 131 (2018)
53. A combinatorial framework for peak/pit asymmetry in complex dynamics
Uri Hasson, Jacopo Iacovacci, Ben Davis, Ryan Flanagan, Enzo Tagliazucchi, Helmut Laufs, Lucas Lacasa
NPG Scientific Reports 8, 3557 (2018)
52. Bipartisanship Breakdown, Functional Networks, and Forensic Analysis in Spanish 2015 and 2016 National Elections
Juan Fernandez-Gracia, Lucas Lacasa
Complexity 2018, 9684749 (2018)
Featured in La Ciencia de la Mula Francis, Naukas (13th July 2016)
2017
51. Visibility graphs of random scalar fields and spatial data
Lucas Lacasa, Jacopo Iacovacci
Physical Review E 96, 012318 (2017)
50. Visibility graphs for fMRI data: multiplex temporal graphs and their modulations across resting state networks
Speranza Sannino, Sebastiano Stramaglia, Lucas Lacasa, Daniele Marinazzo
Network Neuroscience 1, 3 (2017)
49. Emergence of linguistic laws in human voice
Ivan Gonzalez Torre, Bartolo Luque, Lucas Lacasa, Jordi Luque and Antoni Hernandez-Fernandez
NPG Scientific Reports 7, 43862 (2017)
Featured in Research News Portal, Technical University of Madrid
48. Canonical horizontal visibility graphs are uniquely determined by their degree sequence
Bartolo Luque, Lucas Lacasa
European Physical Journal Special Topics 226, 383 (2017)
2016 and before
47. Horizontal Visibility Graphs from Integer Sequences
Lucas Lacasa
Journal of Physics A: Mathematical and Theoretical 49, 35LT01 (2016)
46. Entropy and Renormalization in Chaotic Visibility Graphs
Bartolo Luque, Fernando J. Ballesteros, Alberto Robledo and Lucas Lacasa
in Mathematical Foundations and Applications of Graph Entropy (Wiley-VCH Verlag 2016) ISBN 978-3-527-33909-9
45. Sequential motif profile of natural visibility graphs
Jacopo Iacovacci, Lucas Lacasa
Physical Review E 94, 052309 (2016)
44. Emergence of collective intonation in the musical performance of crowds
Lucas Lacasa
EPL 115, 68004 (2016)
Featured in The Conversation Diario Publico culturizando.com
43. Sequential visibility-graph motifs
Jacopo Iacovacci, Lucas Lacasa
Physical Review E 93, 042309 (2016)
42. Irreversibility of financial time series: a graph-theoretical approach
Ryan Flanagan, Lucas Lacasa
Physics Letters A 380, 1689-1697 (2016)
41. Network Structure of Multivariate Time Series
Lucas Lacasa, Vincenzo Nicosia and Vito Latora
NPG Scientific Reports 5, 15508 (2015)
Featured in Revista de la RSEF 30, 1 (2016)
40. Time reversibility from visibility graphs of non-stationary processes
Lucas Lacasa and Ryan Flanagan
Physical Review E 92, 022817 (2015)
39. Scaling and universality in the human voice
Jordi Luque, Bartolo Luque and Lucas Lacasa
Journal of the Royal Society Interface 12, 20141344 (2015)
38. Analytical estimation of the correlation dimension of integer lattices
Lucas Lacasa, Jesús Gómez-Gardeñes
Chaos 24, 043101 (2014)
37. On the degree distribution of horizontal visibility graphs associated to Markov processes and dynamical systems: diagrammatic and variational approaches
Lucas Lacasa
Nonlinearity 27, 2063-2093 (2014)
36. Horizontal Visibility graphs generated by type-II intermittency
Angel Nuñez, Jose Patricio Gómez, Lucas Lacasa
Journal of Physics A: Mathematical and Theoretical 47, 035102 (2014)
35. Phase transitions in Number Theory: from the Birthday Problem to Sidon Sets
Bartolo Luque, Iván G. Torre, Lucas Lacasa
Physical Review E 88, 052119 (2013)
34. Correlation dimension of complex networks
Lucas Lacasa, Jesús Gómez-Gardeñes
Physical Review Letters 110, 168703 (2013)
33. Horizontal Visibility graphs generated by type-I intermittency
Angel Nuñez, Bartolo Luque, Lucas Lacasa, Jose Patricio Gómez, Alberto Robledo
Physical Review E 87, 052801 (2013)
32. Redes, interacciones, emergencia
Lucas Lacasa
in Perspectivas de la Física para el Siglo XXI (edited by O. Miramontes and K. Volke in Copit Arxives), ISBN 978-0-9831172-9-2 (2013)
31. Feigenbaum graphs at the onset of chaos
Bartolo Luque, Lucas Lacasa, Alberto Robledo
Physics Letters A 376 (2012)
30. Phase transition in the Countdown problem
Lucas Lacasa, Bartolo Luque
Physical Review E 86, 010105(R) (2012)
Featured in Investigacion y Ciencia (spanish version of Scientific American)
29. Time series irreversibility: a visibility graph approach
Lucas Lacasa, Angel Nuñez, Edgar Roldán, Juan MR Parrondo, Bartolo Luque
European Physical Journal B 85, 217 (2012)
28. Approximate entropy of network parameters
James West, Lucas Lacasa, Simone Severini, Andrew Teschendorff
Physical Review E 85, 046111 (2012)
27. Analytical properties of horizontal visibility graphs in the Feigenbaum scenario
Bartolo Luque, Lucas Lacasa, Fernando J. Ballesteros, Alberto Robledo
Chaos 22, 013109 (2012)
26. Visibility algorithms: a short review
Angel Nuñez, Lucas Lacasa, Bartolo Luque
in Graph Theory (edited by Intech), ISBN 979-953-307-303-2 (2012)
25. Comment on the existence of a long range correlation in the Geomagnetic Disturbance storm time (Dst) index
Lucas Lacasa
Astrophysics and Space Science 337, 1 (2012) pdf
24. Detecting periodicity with horizontal visibility graphs
Angel Nuñez, Lucas Lacasa, Bartolo Luque
International Journal of Bifurcation and Chaos 22, 7 (2012)
23. Fast resolution of a single factor Heath-Jarrow-Morton model with stochastic volatility
Eusebio Valero, Manuel Torrealba, Lucas Lacasa, Francois Fraysse
Journal of Computational and Applied Mathematics 236, 6, Pages 1637-1655 (2011)
22. Feigenbaum graphs: a complex network perspective of chaos
Bartolo Luque, Lucas Lacasa, Fernando J. Ballesteros, Alberto Robledo
PLoS ONE 6(9) (2011)
21. Critical behavior of a Ginzburg-Landau model with additive quenched noise
Niko Komin, Lucas Lacasa, Raúl Toral
Journal of Statistical Mechanics (2010) P12008 Arxiv
20. Description of stochastic and chaotic series using visibility graphs
Lucas Lacasa, Raúl Toral
Physical Review E 82, 036120 (2010)
19. Mapping time series to networks: a brief overview of visibility algorithms
Lucas Lacasa, Bartolo Luque
in Computer Science Research and Technology vol 3 (edited by Nova Publisher), ISBN: 978-1-61122-074-2 (2010)
18. The roundtable: an abstract model of conversation dynamics
Massimo Mastrangeli, Martin Schmidt and Lucas Lacasa
Journal of Artificial Societies and Social Simulation 13, 4 (2010) Arxiv
17. Complex systems, numbers, and number theory
Lucas Lacasa, Bartolo Luque, Octavio Miramontes
in Reviews on Nonlinear Dynamics (edited by H. Schuster in Wiley-VCH) ISBN 3527409459, 9783527409457 (2010)
16. Horizontal visibility graphs: exact results for random time series
Bartolo Luque, Lucas Lacasa, Jordi Luque, Fernando J. Ballesteros
Physical Review E 80, 046103 (2009)
15. The Visibility Graph: a new method for estimating the Hurst exponent of fractional Brownian motion
Lucas Lacasa, Bartolo Luque, Jordi Luque and Juan Carlos Nuño
EPL 86 (2009) 30001
Awarded Best 2009 papers in EPL
14. Jamming transition in air transportation networks
Lucas Lacasa, Miguel Cea, Massimiliano Zanin
Physica A 388 (2009) 3948-3954 Arxiv
13. Dynamics in Scheduled Networks
Massimiliano Zanin, Lucas Lacasa and Miguel Cea
Chaos 19, 023111 (2009) pdf
12. Crossover phenomenon in the performance of an Internet search engine
Lucas Lacasa, Jacopo Tagliabue and Andrew Berdahl
Working paper SFI CSSS09
11. 1,2,3: Building the phylogenetic tree of language with numbers
Andrew Berdahl and Lucas Lacasa
Working paper SFI CSSS09
10. The first digit frequencies of primes and Riemann zeta zeros
Bartolo Luque and Lucas Lacasa
Proceedings of the Royal Society A 465 (2009) 2197-2216
Featured in Physorg.com Mathematical Association of America (21st May, 2009) Politicalcalculations (19th May, 2009) Terra Incognita (9th May, 2009)
Awarded Top 10 Proc. Royal Society articles in 2009
9. Number theoretic example of scale-free topology inducing self-organized criticality
Bartolo Luque, Octavio Miramontes, Lucas Lacasa
Physical Review Letters 101, 158702 (2008)
Featured in Investigacion y Ciencia (spanish version of Scientific American)
8. From time series to complex networks: the visibility graph
Lucas Lacasa, Bartolo Luque, Fernando Ballesteros, Jordi Luque, Juan C. Nuño
PNAS 105, 13 (2008) 4972-4975
Featured in Benoit Rittaud, La Recherche 421 (2008)
7. Phase transition and computational complexity in a stochastic prime number generator
Lucas Lacasa, Bartolo Luque, Octavio Miramontes
New Journal of Physics 10 (2008) 023009 pdf
6. Phase transition in a stochastic prime number generator
Bartolo Luque, Lucas Lacasa, Octavio Miramontes
Physical Review E 76, 010103 (R) (2007)
5. Split gap effects on rear fuselage flow
Eusebio Valero, Javier de Vicente, Lucas Lacasa
Proc. 16th Iasted Int. Conf. Applied Simulation and Modelling PP: 446-450 (2007)
4. Self-overlap as a method of stability analysis in Ising models
Antonio Ferrera, Bartolo Luque, Lucas Lacasa, Eusebio Valero
Physical Review E 75, 6 (2007) 061103
3. A probabilistic model of reserve design
Jordi Bascompte, Bartolo Luque, Jose Olarrea, Lucas Lacasa
Journal of Theoretical Biology 247, pp. 205-211 (2007)
2. Bonabeau hierarchy models revisited
Lucas Lacasa, Bartolo Luque
Physica A: Statistical Mechanics and its Applications 366, pp. 472-484 (2006)
1. Teoria de campo medio en el modelo de Bonabeau
Lucas Lacasa, Bartolo Luque
in CEDI I proceedings: symposium on complex systems