Artur Carlos Ferreira Alho
Research fellow under DL/57 at Center for Mathematical Analysis, Geometry and Dynamical Systems
Postdoc of the Center for Mathematical Analysis, Geometry and Dynamical Systems with FCT scholarship SFRH/BPD/85194/2012 . (Supervision by Profs. José Natário (IST, Lisboa), and Simone Calogero (Chalmers, Gothenburg))
PhD (Mathematics), 2012, CMAT - Universidade do Minho with FCT scholarship SFRH/BD/48658/2008. Thesis: On the future stability of cosmological solutions of the Einstein-nonlinear scalar field system (Supervision by Profs. Filipe C. Mena, and José Natário)
Mestre em Cosmologia e Física de Partículas, 2008, IUFFyM - Universidad de Salamanca . Projecto: Perturbations of Friedmann-Robertson-Walker cosmological models (Supervision by Prof. Marc Mars)
Dynamical systems in Cosmology and Astrophysics
Perturbations of the Lambda-CDM model in a dynamical systems perspective, (joint with Claes Uggla and John Wainwright), J. Cosmol. Astropart. Phys. 2019 (09), 045 .
The wave equation near flat Friedmann-Lemaître-Robertson-Walker and Kasner Big Bang singularities , (joint with Grigorios Fournodavlos and Anne T. Franzen ), J. Hyperbolic Differ. Equ. 16(2), (2019) 379–400 .
The Einstein-Friedrich-nonlinear scalar field system and the stability of scalar field Cosmologies, (joint with Filipe C. Mena and Juan A. Valiente-Kroon ), Adv. Theor. Math. Phys. 21(4), (2017) 857-899.
Inflationary α-attractor cosmology: A global dynamical systems perspective, (joint with Claes Uggla), Phys. Rev. D (3) 95 (8:083517) (2017) .
On dynamical systems approaches and methods in f(R) cosmology, (joint with Sante Carloni and Claes Uggla), J. Cosmol. Astropart. Phys. 2016 (08), 064 .
Simetrias e sistemas dinâmicos em Cosmologia, Bol. Soc. Port. Mat. No. 73 (2015), 103–125.
Scalar field deformations of Lambda-CDM cosmology, (joint with Claes Uggla), Phys. Rev. D 92, 103502 (2015) .
Global dynamics and inflationary center manifold and slow-roll approximants, (joint with Claes Uggla), J. Math. Phys. 56, 012502 (2015) .
"A stellar model with diffusion in general relativity", XXVI International Fall Workshop on Geometry and Physics, Braga (Portugal), 5 September 2017.
"Generic blow up for solutions of the wave equation towards Big Bang singularities", Analysis and Probability Seminar, Department of Mathematical Sciences, Chalmers University of Technology Gothenburg (Sweden), 24 May 2018.
"Multi-body spherically symmetric steady states of Newtonian self-gravitating elastic matter", Mathematical Relativity Seminar, CAMGSD, Departamento de Matemática, Instituto Superior Técnico, Universidade de Lisboa (Portugal), 27 February 2019.
"Spherically symmetric steady states of Newtonian self-gravitating elastic matter", Junior Analysis Seminar, Pure Analysis and PDEs, Imperial College London (UK), 15 November 2019.
"Spherically symmetric steady states of Newtonian self-gravitating elastic matter", Vienna Relativity Seminar, Gravitational Physics, University of Vienna Vienna (Austria), 28 November 2019.
1º Semestre (2016/2017): Análise Matemática , LIGE, ISCTE-IUL.
2º Semestre (2016/2017): Optimização , LFC, ISCTE-IUL.
1º Semestre (2017/2018): Análise Matemática I , LEI, ISCTE-IUL.
2º Semestre (2017/2018): Optimização , LGM, ISCTE-IUL.
1º Semestre (2018/2019): Matemática I , LE, ISCTE-IUL.
2º Semestre (2018/2019): Complementos de Matemática , LGIL, ISCTE-IUL.
1º Semestre (2019/2020): Matemática , LGM, ISCTE-IUL.
Research Initiation Grant (BI) Supervision
Vítor Bessa (June-September 2017) Global properties of solutions to Einstein's equations , 4 month BI grant from project PTDC/MAT-ANA/1275/2014. Co-supervision by Filipe Mena (CMAT, Minho), and João L. Costa (ISCTE/CAMGSD).
Vítor Bessa (ongoing) Dynamical systems in General Relativity and in Modified Gravity Theories. Co-supervision by Filipe Mena (CMAT, Minho).