Dr Lucas Lacasa
Reader in Applied Mathematics & EPSRC Early Career Fellow
School of Mathematical Sciences
Mathematical Sciences Building MB117
l.lacasa@qmul.ac.uk
www.maths.qmul.ac.uk/~lacasa/main.html
Research
complex systems, visibility graph theory, phase transitions, critical phenomena and self-organized criticality, applied nonlinear dynamics and chaos
Interests
My research is focused on complex systems science, where I address both fundamental and applied questions. The tools I use include statistical physics, nonlinear dynamics, stochastic processes and networks. If you want to take a look at my publications, go here.
Publications
Publications of specific relevance to Applied Data Science2020
Bonaventura M, Ciotti V, Panzarasa P, Liverani S, Lacasa L and Latora V (2020). Predicting success in the worldwide start-up network. Scientific Reports vol. 10, (1) 10.1038/s41598-019-57209-wFlanagan R, Lacasa L and Nicosia V (2020). On the spectral properties of Feigenbaum graphs. Journal of Physics a: Mathematical and Theoretical vol. 53, (2) 10.1088/1751-8121/ab587f2019
Williams OE, Lacasa L and Latora V (2019). Quantifying and predicting success in show business. Nature Communications vol. 10, (1) 10.1038/s41467-019-10213-0Torre IG, Luque B, Lacasa L, Kello CT and Hernández-Fernández A (2019). On the physical origin of linguistic laws and lognormality in speech. R Soc Open Sci vol. 6, (8) 10.1098/rsos.191023Iacovacci J and Lacasa L (2019). Visibility graphs for image processing. Institute of Electrical and Electronics Engineers Ieee Transactions On Pattern Analysis and Machine Intelligence 10.1109/TPAMI.2019.2891742Flanagan R, Lacasa L, Towlson EK, Lee SH and Porter MA (2019). Effect of antipsychotics on community structure in functional brain networks. J. Complex Networks vol. 7, 932-960. 2018
Lacasa L (2018). Newcomb-Benford law helps customs officers to detect fraud in international trade. Proc Natl Acad Sci U S A 10.1073/pnas.1819470116Lacasa L and Fernández-Gracia J (2018). Election Forensics: Quantitative methods for electoral fraud detection. Forensic Sci Int 10.1016/j.forsciint.2018.11.010Amato R, Lacasa L, Díaz-Guilera A and Baronchelli A (2018). The dynamics of norm change in the cultural evolution of language. Proc Natl Acad Sci U S A vol. 115, (33) 8260-8265. 10.1073/pnas.1721059115Lacasa L, Mariño IP, Miguez J, Nicosia V, Roldán É, Lisica A, Grill SW and Gómez-Gardeñes J (2018). Multiplex Decomposition of Non-Markovian Dynamics and the Hidden Layer Reconstruction Problem. Physical Review X vol. 8, (3) 10.1103/PhysRevX.8.031038Lacasa L and JUST W (2018). Visibility graphs and symbolic dynamics. Physica D 10.1016/j.physd.2018.04.001Hasson U, Iacovacci J, Davis B, Flanagan R, Tagliazucchi E, Laufs H and Lacasa L (2018). A combinatorial framework to quantify peak/pit asymmetries in complex
dynamics. Nature Publishing Group Scientific Reports 10.1038/s41598-018-21785-0LACASA L, luque B and miramontes O (2018). On a Dynamical Approach to Some Prime Number Sequences. Mdpi Ag Entropy 10.3390/e20020131Fernandez-Gracia J and Lacasa L (2018). Bipartisanship Breakdown, Functional Networks, and Forensic Analysis in Spanish 2015 and 2016 National Elections. Hindawi Complexity 10.1155/2018/9684749Ballesteros FJ, Martinez VJ, Luque B, Lacasa L, Valor E and Moya A (2018). On the thermodynamic origin of metabolic scaling. Sci Rep vol. 8, (1) 1448-1448. 10.1038/s41598-018-19853-62017
Sannino S, Stramaglia S, Lacasa L and Marinazzo D (2017). Visibility graphs for fMRI data: Multiplex temporal graphs and their modulations across resting-state networks. Netw Neurosci vol. 1, (3) 208-221. 10.1162/NETN_a_00012Lacasa L and Iacovacci J (2017). Visibility graphs of random scalar fields and spatial data. American Physical Society Physical Review E 10.1103/PhysRevE.96.012318Torre IG, Luque B, Lacasa L, Luque J and Hernández-Fernández A (2017). Emergence of linguistic laws in human voice. Sci Rep vol. 7, 43862-43862. 10.1038/srep43862Luque B and Lacasa L (2017). Canonical horizontal visibility graphs are uniquely determined by their degree sequence. European Physical Journal-Special Topics vol. 226, (3) 383-389. 10.1140/epjst/e2016-60164-12016
Iacovacci J and Lacasa L (2016). Sequential motif profile of natural visibility graphs. Physical Review E vol. 94, (5) 10.1103/PhysRevE.94.052309Lacasa L (2016). Emergence of collective intonation in the musical performance of crowds. Epl (Europhysics Letters) vol. 115, (6) 68004-68004. 10.1209/0295-5075/115/68004Lacasa L (2016). Horizontal visibility graphs from integer sequences. Iop Publishing: Hybrid Open Access Journal of Physics a: Mathematical and Theoretical vol. 49, (35) 10.1088/1751-8113/49/35/35LT01Flanagan R and Lacasa L (2016). Irreversibility of financial time series: A graph-theoretical approach. Physics Letters A vol. 380, (20) 1689-1697. 10.1016/j.physleta.2016.03.011Iacovacci J and Lacasa L (2016). Sequential visibility-graph motifs. American Physical Society Physical Review E vol. 93, (4) 10.1103/PhysRevE.93.0423092015
Lacasa L, Nicosia V and Latora V (2015). Network structure of multivariate time series. Scientific Reports vol. 5, 10.1038/srep15508Lacasa L and Flanagan R (2015). Time reversibility from visibility graphs of nonstationary processes. Phys Rev E Stat Nonlin Soft Matter Phys vol. 92, (2) 10.1103/PhysRevE.92.022817Luque J, Luque B and Lacasa L (2015). Scaling and universality in the human voice. J R Soc Interface vol. 12, (105) 10.1098/rsif.2014.13442014
Lacasa L and Gómez-Gardeñes J (2014). Analytical estimation of the correlation dimension of integer lattices. Chaos vol. 24, (4) 10.1063/1.4896332Lacasa L (2014). On the degree distribution of horizontal visibility graphs associated with Markov processes and dynamical systems: diagrammatic and variational approaches. Nonlinearity vol. 27, (9) 2063-2093. 10.1088/0951-7715/27/9/2063Luque J, Luque B and Lacasa L (2014). Speech earthquakes: scaling and universality in human voice. Corr vol. abs/1408.0985, 2013
Núñez ÁM, Lacasa L and Gómez JP (2013). Horizontal Visibility graphs generated by type-II intermittency. Iop Publishing Journal of Physics a: Mathematical and Theoretical vol. 47, (3) 035102-035102. 10.1088/1751-8113/47/3/035102Luque B, Torre IG and Lacasa L (2013). Phase transitions in number theory: from the birthday problem to Sidon sets. Phys Rev E Stat Nonlin Soft Matter Phys vol. 88, (5) 10.1103/PhysRevE.88.052119Núñez ÁM, Luque B, Lacasa L, Gómez JP and Robledo A (2013). Horizontal visibility graphs generated by type-I intermittency. Phys Rev E Stat Nonlin Soft Matter Phys vol. 87, (5) 10.1103/PhysRevE.87.052801Lacasa L and Gómez-Gardeñes J (2013). Correlation dimension of complex networks. Phys Rev Lett vol. 110, (16) 10.1103/PhysRevLett.110.1687032012
Luque B, Lacasa L and Robledo A (2012). Feigenbaum graphs at the onset of chaos. Physics Letters A vol. 376, (47-48) 3625-3629. 10.1016/j.physleta.2012.10.050Lacasa L and Luque B (2012). Phase transition in the countdown problem. Phys Rev E Stat Nonlin Soft Matter Phys vol. 86, (1 Pt 1) 10.1103/PhysRevE.86.010105Nunez A, Lacasa L, Valero E, Patricio Gomez J and Luque B (2012). DETECTING SERIES PERIODICITY WITH HORIZONTAL VISIBILITY GRAPHS. International Journal of Bifurcation and Chaos vol. 22, (7) 10.1142/S021812741250160XLacasa L, Nunez A, Roldan E, Parrondo JMR and Luque B (2012). Time series irreversibility: a visibility graph approach. European Physical Journal B vol. 85, (6) 10.1140/epjb/e2012-20809-8West J, Lacasa L, Severini S and Teschendorff A (2012). Approximate entropy of network parameters. Phys Rev E Stat Nonlin Soft Matter Phys vol. 85, (4 Pt 2) 10.1103/PhysRevE.85.046111Luque B, Lacasa L, Ballesteros FJ and Robledo A (2012). Analytical properties of horizontal visibility graphs in the Feigenbaum scenario. Chaos vol. 22, (1) 10.1063/1.3676686Lacasa L, Tagliabue J and Berdahl A (2012). Crossover phenomenon in the performance of an Internet search engine. Corr vol. abs/1205.1505, Lacasa L (2012). Comment on the existence of a long range correlation in the geomagnetic disturbance storm time (Dst) index. Astrophysics and Space Science vol. 337, (1) 21-22. 10.1007/s10509-011-0926-02011
Valero E, Torrealba M, Lacasa L and Fraysse F (2011). Fast resolution of a single factor Heath-Jarrow-Morton model with stochastic volatility. Journal of Computational and Applied Mathematics vol. 236, (6) 1637-1655. 10.1016/j.cam.2011.09.027Luque B, Lacasa L, Ballesteros FJ and Robledo A (2011). Feigenbaum graphs: a complex network perspective of chaos. Plos One vol. 6, (9) 10.1371/journal.pone.00224112010
Komin N, Lacasa L and Toral R (2010). Critical behavior of a Ginzburg-Landau model with additive quenched noise. Journal of Statistical Mechanics-Theory and Experiment 10.1088/1742-5468/2010/12/P12008Mastrangeli M, Schmidt M and Lacasa L (2010). The Roundtable: An Abstract Model of Conversation Dynamics. Jasss-The Journal of Artificial Societies and Social Simulation vol. 13, (4) 10.18564/jasss.1631Lacasa L and Toral R (2010). Description of stochastic and chaotic series using visibility graphs. Phys Rev E Stat Nonlin Soft Matter Phys vol. 82, (3 Pt 2) 10.1103/PhysRevE.82.036120Mastrangeli M, Schmidt M and Lacasa L (2010). The Roundtable: An Abstract Model of Conversation Dynamics. J. Artificial Societies and Social Simulation vol. 13, 2009
Luque B, Lacasa L, Ballesteros F and Luque J (2009). Horizontal visibility graphs: exact results for random time series. Phys Rev E Stat Nonlin Soft Matter Phys vol. 80, (4 Pt 2) 10.1103/PhysRevE.80.046103Lacasa L, Cea M and Zanin M (2009). Jamming transition in air transportation networks. Physica a-Statistical Mechanics and Its Applications vol. 388, (18) 3948-3954. 10.1016/j.physa.2009.06.005Luque B and Lacasa L (2009). The first-digit frequencies of prime numbers and Riemann zeta zeros. Proceedings of The Royal Society a-Mathematical Physical and Engineering Sciences vol. 465, (2107) 2197-2216. 10.1098/rspa.2009.0126Zanin M, Lacasa L and Cea M (2009). Dynamics in scheduled networks. Chaos vol. 19, (2) 10.1063/1.3129785Lacasa L, Luque B, Luque J and Nuno JC (2009). The visibility graph: A new method for estimating the Hurst exponent of fractional Brownian motion. Epl vol. 86, (3) 10.1209/0295-5075/86/300012008
Luque B, Miramontes O and Lacasa L (2008). Number theoretic example of scale-free topology inducing self-organized criticality. Phys Rev Lett vol. 101, (15) 10.1103/PhysRevLett.101.158702Lacasa L, Luque B, Ballesteros F, Luque J and Nuño JC (2008). From time series to complex networks: the visibility graph. Proc Natl Acad Sci U S A vol. 105, (13) 4972-4975. 10.1073/pnas.0709247105Lacasa L, Luque B and Miramontes O (2008). Phase transition and computational complexity in a stochastic prime number generator. New Journal of Physics vol. 10, 10.1088/1367-2630/10/2/0230092007
Bascompte J, Luque B, Olarrea J and Lacasa L (2007). A probabilistic model of reserve design. J Theor Biol vol. 247, (1) 205-211. 10.1016/j.jtbi.2007.02.015Luque B, Lacasa L and Miramontes O (2007). Phase transition in a stochastic prime-number generator. Phys Rev E Stat Nonlin Soft Matter Phys vol. 76, (1 Pt 1) 10.1103/PhysRevE.76.010103Ferrera A, Luque B, Lacasa L and Valero E (2007). Self-overlap as a method of analysis in Ising models. Phys Rev E Stat Nonlin Soft Matter Phys vol. 75, (6 Pt 1) 10.1103/PhysRevE.75.0611032006
Lacasa L and Luque B (2006). Bonabeau hierarchy models revisited. Physica a-Statistical Mechanics and Its Applications vol. 366, (1) 472-484. 10.1016/j.physa.2005.10.046Grants
Early career fellowship: SIG-NETLacasa L
£379,049 Engineering and Physical Sciences Research Council (01-06-2017 - 31-05-2020)