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Troestler Christophe

Université de Mons - UMONS > Faculté des Sciences > Service d'Analyse numérique

ORCID
0000-0001-9547-9090
Main Referenced Co-authors
BRIDOUX, Stéphanie  (21)
Grumiau, Christopher  (5)
MICHAUX, Christian  (5)
De Coster, Colette (3)
Desmons, Bertrand  (3)
Main Referenced Keywords
Mathematics - Analysis of PDEs (3); Lane Emden problem (2); Nehari manifold (2); Neumann boundary conditions (2); symmetries (2);
Main Referenced Unit & Research Centers
CREMMI - Modélisation mathématique et informatique (83)
Main Referenced Disciplines
Mathematics (80)
Computer science (36)
Electrical & electronics engineering (25)
Phytobiology (plant sciences, forestry, mycology...) (1)
Education & instruction (1)

Publications (total 99)

The most downloaded
703 downloads
Troestler, C. (2008). Analyse Mathématique I. https://hdl.handle.net/20.500.12907/2569

The most cited

118 citations (OpenAlex)

Ben-Naoum, A. K., Troestler, C., & Willem, M. (04 February 1996). Extrema problems with critical Sobolev exponent on unbounded domains. Nonlinear Analysis: Theory, Methods and Applications, 26 (4), 823-833. doi:10.1016/0362-546X(94)00324-B https://hdl.handle.net/20.500.12907/34614

Troestler, C., & Desmons, B. (In press). Wrinkling of thin films laying on liquid substrates under small one-dimensional compression. UMONS preprint.
Peer reviewed

Feltrin, G., & Troestler, C. (2024). Uniqueness, non-degeneracy, and exact multiplicity of positive solutions for superlinear elliptic problems. Journal of Differential Equations.

Carrillo, P., Galant, D., Jeanjean, L., & Troestler, C. (2024). Infinitely many normalized solutions of $L^2$-supercritical NLS equations on noncompact metric graphs with localized nonlinearities. ORBi UMONS-University of Mons. https://orbi.umons.ac.be/handle/20.500.12907/49883. doi:10.48550/arXiv.2403.10959

Troestler, C., & Salort, A. (July 2022). A Computer Assisted Proof of the Symmetries of Least Energy Nodal Solutions on Squares. Minimax Theory and its Applications, 2, 365–380.
Peer reviewed

Troestler, C. (2020). Quand les extrêmes sont les meilleurs !

Troestler, C., & Bridoux, S. (2020). Optimisation: quand les extrêmes sont les meilleurs.

Troestler, C., Gladiali, F., & Grossi, M. (2019). A non-variational system involving the critical Sobolev exponent. The radial case. Journal d'Analyse Mathématique.
Peer reviewed

Troestler, C. (27 June 2019). A computer assisted proof of the symmetries of least energy nodal solutions on squares [Paper presentation]. Second Days Of Nonlinear Elliptic PDE in Hauts-de-France, Calais, France.

Troestler, C., & Bridoux, S. (2019). Optimisation - Quand les extrêmes sont les meilleurs !

Troestler, C. (01 October 2018). Une preuve assistée par ordinateur pour les symétries des solutions nodales d'énergie minimale de Lane-Emden sur le carré [Paper presentation]. Séminaire d'analyse appliquée A³, Amiens, France.

Troestler, C., & Bridoux, S. (2018). Optimisation: quand les extrêmes sont les meilleurs.

Troestler, C. (2018). Optimisation - Quand les extrêmes sont les meilleurs !

Troestler, C., Gladiali, F., & Grossi, M. (25 February 2018). Entire radial and nonradial solutions for systems with critical growth. Calculus of Variations and Partial Differential Equations, 57 (2).
Peer Reviewed verified by ORBi

Troestler, C. (2018). Optimisation - Quand les extrêmes sont les meilleurs !

Troestler, C. (25 August 2017). A computer assisted proof of the symmetry of solutions to a PDE [Paper presentation]. Computers in Scientific Discovery 8, Mons, Belgium.

Troestler, C. (28 June 2017). Radial and non-radial positive solutions to a system with critical growth on Rᴺ [Paper presentation]. First days of Nonlinear Elliptic PDE in Hauts-de-France, Valenciennes, France.

Troestler, C., & Bridoux, S. (2017). Optimisation - Quand les extrêmes sont les meilleurs !

Troestler, C., & Bridoux, S. (2017). Optimisation - Quand les extrêmes sont les meilleurs !

Troestler, C. (2017). Les procédures de vote sous la loupe mathématique.

Troestler, C., De Coster, C., & Nicaise, S. (14 January 2017). Spectral analysis of a generalized buckling problem on a ball. Positivity, 21 (4), 1319-1340. doi:10.1007/s11117-017-0469-x
Peer reviewed

Troestler, C. (2017). Les procédures de vote sous la loupe mathématique.

Troestler, C., Grumiau, C., & Bonheure, D. (2016). Multiple radial positive solutions of semilinear elliptic problems with Neumann boundary conditions. Nonlinear Analysis: Theory, Methods and Applications, (147), 236-273. doi:10.1016/j.na.2016.09.010
Peer Reviewed verified by ORBi

Troestler, C. (2016). Les procédures de vote sous la loupe mathématique.

Troestler, C., & Bridoux, S. (2016). Quand les extrêmes sont les meilleurs !

Troestler, C. (25 September 2015). On positive solutions to the Lane-Emden problem with Neumann boundary conditions [Paper presentation]. Séminaire ANEDP - Analyse non linéaire et EDP, Bruxelles, Belgium.

Troestler, C., & Chaudhry, A. (04 September 2015). Tools to explore the OPAM Community [Paper presentation]. OCaml 2015, Vancouver, Canada.

Troestler, C., Grumiau, C., & Squassina, M. (01 July 2015). Asymptotic symmetries for fractional operators. Nonlinear Analysis: Real World Applications, 26, 351-371. doi:10.1016/j.nonrwa.2015.06.001
Peer Reviewed verified by ORBi

Troestler, C., Nicaise, S., & De Coster, C. (2015). Nodal properties of eigenfunctions of a generalized buckling problem on balls. Positivity. doi:10.1007/s11117-015-0331-y
Peer reviewed

Troestler, C., De Coster, C., & Nicaise, S. (10 March 2015). Nodal properties of eigenfunctions of a generalized buckling problem on balls [Poster presentation]. 8ème édition de la Matinée des Chercheurs 2015 (MdC2015), Mons, Belgium.

Agarwal, A., Mondet, S., Veber, P., & Troestler, C. (11 July 2014). Biocaml: The OCaml Bioinformatics Library [Paper presentation]. Bioinformatics Open Source Conference (BOSC 2014), Boston, United States - Massachusetts.

Bridoux, S., & Troestler, C. (2014). Optimisation: quand les extrêmes sont les meilleurs.

Bridoux, S., & Troestler, C. (2014). Optimisation: quand les extrêmes sont les meilleurs.

Troestler, C., & Bridoux, S. (2014). Optimisation - quand les extrêmes sont les meilleurs.

Grumiau, C., & Troestler, C. (10 February 2014). Convergence of a mountain pass type algorithm for strongly indefinite problems and systems. Electronic Journal of Differential Equations, Conference 21, 129-147.
Peer Reviewed verified by ORBi

Troestler, C. (06 February 2014). Solutions positives de l'équation de Lane-Emden avec conditions au bord de Neumann [Paper presentation]. Séminaire du LAMAV, Valenciennes, France.

Troestler, C. (02 September 2013). Multiplicity and symmetry of positive solutions to semi-linear elliptic problems with Neumann boundary conditions [Paper presentation]. International Workshop on Variational Problems and PDE's, São Paulo, Brazil.

Grumiau, C., Squassina, M., & Troestler, C. (01 July 2013). On the Mountain-pass algorithm for the quasi-linear Schrodinger equation: arXiv:1205.0517. Discrete and Continuous Dynamical Systems, 18 (5), 1345-1360. doi:10.3934/dcdsb.2013.18.1345
Peer reviewed

Troestler, C. (29 April 2013). Multiplicité et symétrie des solutions positives de problèmes semilinéaires elliptiques avec conditions au bord de Neumann [Paper presentation]. Séminaire A³, Amiens, France.

Troestler, C., & Bridoux, S. (2013). Maths en rue: Quiz Mathématique.

Troestler, C., & Bridoux, S. (2013). Optimisation - quand les extrêmes sont les meilleurs.

Troestler, C. (2013). oasis2opam.

Troestler, C., & Bridoux, S. (2013). La théorie des graphes au secours des géographes.

Troestler, C., & Bridoux, S. (2013). Optimisation - quand les extrêmes sont les meilleurs.

Troestler, C. (2012). Delimited Overloading.

Troestler, C., Desmons, B., Pijcke, F., & Hauweele, P. (2012). Archimedes: a scientific 2D plotting library.

Troestler, C. (2012). Mesh: a collection of algorithms to build and manipulate triangular meshes.

Troestler, C. (08 June 2012). Multiplicity and symmetry of positive solutions to semi-linear elliptic problems with Neumann boundary conditions [Paper presentation]. Variational and Topological problems, Flagstaff, United States.

Bridoux, S., & Troestler, C. (2012). Optimisation - quand les extrêmes sont les meilleurs.

Bridoux, S., & Troestler, C. (2012). Quiz Mathématique.

Troestler, C. (2012). L-BFGS: a binding to the code by J. Nocedal giving a quasi-Newton method for the optimization of functions of many variables.

Troestler, C. (2012). Odepack: an OCaml interface to the celebrated collection of code to numerically solve systems of ordinary differential equations.

Troestler, C. (26 January 2012). Symmetry and symmetry breaking of least energy (nodal) solutions of semi-linear elliptic problems with Neumann boundary conditions [Paper presentation]. Séminaire, Université Toulouse 1 - Capitole, France.

Troestler, C., & Tacheny, N. (07 January 2012). A mountain pass algorithm with projector. Journal of Computational and Applied Mathematics, 236 (7), 2025-2036. doi:10.1016/j.cam.2011.11.011
Peer Reviewed verified by ORBi

Troestler, C. (2011). Les procédures de vote sous la loupe mathématique.

Troestler, C., & Jones, R. (2011). OCaml CSV.

Bridoux, S., & Troestler, C. (2011). Optimisation - quand les extrêmes sont les meilleurs.

Troestler, C. (2011). Atelier de robotique : Rubik's cube & Puissance 4.

Bridoux, S., & Troestler, C. (2011). Quiz Mathématique.

Mélot, H., & Troestler, C. (01 March 2011). L'ordinateur au coeur de la découverte mathématique. Élement: le Magazine de l'Université de Mons, 5, 29-31.

Troestler, C. (18 October 2010). Wrinkling of thin membranes on fluid substrates [Paper presentation]. Workshop on Variational Methods in Nonlinear Differential Equations, Oaxaca, Mexico.

Grumiau, C., & Troestler, C. (01 July 2010). Oddness of least energy nodal solutions on radial domains. Electronic Journal of Differential Equations, Conference 18, 23-31.
Peer Reviewed verified by ORBi

Troestler, C. (2010). Atelier de robotique : Puissance 4.

Troestler, C. (28 January 2010). Oddness of least energy nodal solutions of the Lane-Emden problem [Paper presentation]. Johann Wolfgang Goethe-Universität, Frankfurt, Germany.

Troestler, C., De Pril, J., & Maslowski, D. (2009). Atelier de robotique : Labyrinthe & Rubik's cube.

Troestler, C. (2009). Lego Mindstorm library.

Troestler, C. (2009). Atelier de robotique : Labyrinthe & Rubik's cube.

Troestler, C. (2009). Atelier de robotique.

Grumiau, C., & Troestler, C. (01 May 2009). Nodal line structure of least energy nodal solutions for Lane-Emden problems. Comptes Rendus. Mathématique, 347 (13-14), 767-771. doi:10.1016/j.crma.2009.04.023
Peer Reviewed verified by ORBi

Troestler, C. (12 February 2009). Minimax algorithms: convergence and applications [Poster presentation]. New trends in scientific computing, Marseille, France.

Troestler, C. (04 February 2009). Delimited overloading [Paper presentation]. OCaml users meeting, Grenoble, France.

Troestler, C., Maslowski, D., & De Pril, J. (12 September 2008). Delimited Overloading [Paper presentation]. OCaml summer projects meeting, New-York, United States - New York.

Troestler, C. (2008). Analyse Mathématique I.

Troestler, C. (2008). Atelier de robotique : Labyrinthe & Rubik's cube.

Bridoux, S., Troestler, C., Brouette, Q., & Desmons, B. (2008). Les experts à l'UMH.

Troestler, C. (2007). Introduction à la logique du premier ordre et à la théorie naïve des ensembles.

Troestler, C. (23 May 2007). Algorithms and (partial) symmetry for solutions of the non-linear Poisson equation [Paper presentation]. Variational and topological problems, Flagstaff, United States.

Bridoux, S., & Troestler, C. (2007). Optimisation - quand les extrêmes sont les meilleurs.

Troestler, C. (09 January 2007). Convergence of a mountain pass algorithm with projection [Paper presentation]. Theoretical and Computational nonlinear partial differential equations, Mexico city, Mexico.

Troestler, C. (2006). Automates et atteignabilité.

Troestler, C. (18 September 2005). Convergence of a mountain pass algorithm with projector [Paper presentation]. International Conference of Numerical Analysis and Applied Mathematics, Rhodes, Greece.

Troestler, C., & Bridoux, S. (2005). Mathématique Élémentaire.

Michaux, C., Troestler, C., & Bridoux, S. (2004). Préparer la transition secondaire-université dans les cours de mathématiques.

Brihaye, T., Michaux, C., Rivière, C., & Troestler, C. (01 January 2004). On O-Minimal Hybrid Systems. Lecture Notes in Computer Science, 2993, 133-138. doi:10.1007/978-3-540-24743-2_15
Peer reviewed

Troestler, C. (07 August 2002). Scalar- v.s. vector-recursion for BSS-recursive functions [Paper presentation]. Foundations of Computational Mathematics, Minneapolis, United States.

Troestler, C. (08 June 2002). Equivalence of scalar- and vector-recursion for BSS machines [Paper presentation]. 21st Days of Weak Arithmetics, Saint Petersburg, Russia.

Troestler, C., Finet, C., & Quarta, L. (30 October 2001). Vector-Valued Variational Principles. Nonlinear Analysis: Theory, Methods and Applications, 52, 197-218. doi:10.1016/S0362-546X(02)00103-7
Peer Reviewed verified by ORBi

Troestler, C. (04 June 2001). Equivalence of BSS scalar- and vector-recursion. Bulletin de la Société Mathématique de Belgique, A tribute to Maurice Boffa, 65-80.
Peer reviewed

Troestler, C. (2001). Catastrophes numériques.

Troestler, C., & Michaux, C. (28 January 2000). Isomorphism theorem for BSS recursively enumerable sets on real closed fields. Theoretical Computer Science, 231, 253-273. doi:10.1016/S0304-3975(99)00103-6
Peer Reviewed verified by ORBi

Ramos, M., Terracini, S., & Troestler, C. (10 November 1998). Superlinear indefinite elliptic problems and Pohoz?aev type identities. Journal of Functional Analysis, 159 (2), 596-628. doi:10.1006/jfan.1998.3332
Peer Reviewed verified by ORBi

Michaux, C., & Troestler, C. (1998). Isomorphism theorem for BSS recursively enumerable sets on real closed fields. NeuroCOLT2. https://orbi.umons.ac.be/handle/20.500.12907/9562

Troestler, C. (1998). Strongly indefinite variational problems with lack of compactness [Paper presentation]. International Conference on Differential Equations, Lisboa, Portugal.

Michaux, C., & Troestler, C. (1998). Isomorphism Theorem for BSS Recursiveley Enumerable Sets over Real Closed Fields [Paper presentation]. International Colloquium Universal Machines and Computations, Metz, France.

Troestler, C. (1997). Liouville type theorems and applications. Académie royale de Belgique. Classe des Sciences.

Ramos, M., Terracini, S., & Troestler, C. (03 August 1997). Problèmes elliptiques sur-linéaires avec non-linéarité sans signe défini. Comptes Rendus de l'Académie des Sciences. Série I. Mathématique, 325 (3), 283-286. doi:10.1016/S0764-4442(97)83956-0
Peer Reviewed verified by ORBi

Ben-Naoum, A. K., Troestler, C., & Willem, M. (04 February 1996). Extrema problems with critical Sobolev exponent on unbounded domains. Nonlinear Analysis: Theory, Methods and Applications, 26 (4), 823-833. doi:10.1016/0362-546X(94)00324-B
Peer Reviewed verified by ORBi

Troestler, C., & Willem, M. (31 January 1996). Nontrivial solution of a semilinear Schrödinger equation. Communications in Partial Differential Equations, 21 (9-10), 1431-1449. doi:10.1080/03605309608821233
Peer Reviewed verified by ORBi

Ben-Naoum, A. K., Troestler, C., & Willem, M. (01 August 1994). Existence and Multiplicity Results for Homogeneous Second Order Differential Equations. Journal of Differential Equations, 112 (1), 239-249. doi:10.1006/jdeq.1994.1103
Peer Reviewed verified by ORBi

Galant, D., De Coster Colette, Troestler, C., Dovetta Simone, & Enrico Serra. (n.d.). Constant sign and sign changing NLS ground states on noncompact metric graphs. Analysis and PDE, (Accepted for publication). doi:10.48550/arXiv.2306.12121
Peer Reviewed verified by ORBi

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