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Fakultät 1
Fachgebiet Analysis Prof. Dr. rer. nat. habil. Daniel Hauer

Wissenschaftliche Mitarbeiter

Dr. rer. nat. Guy Fabrice Foghem Gounoue

Hauptgebäude, Raum 3.39
T +49 (0) 355 69-2735
guy.foghem(at)b-tu.de 

Akademische Ausbildung


• 2025--Gerade. Postdoktorand. 
Brandenburgische Technische UniversitätCottbus–Senftenberg, Deutschland. 
Betreuer: Prof. Dr. Daniel Hauer.

• 2020 – 2025. Postdoktorand. 
Technische Universität Dresden, Deutschland. Lehrstuhl für Analysis, Forschungsgruppe 3013. 
Betreuer: Prof. Dr. Stefan Neukamm.

• 2016 – 2020. Promotion (Dr. rer. nat.) in Mathematik. 
Universität Bielefeld, Deutschland. International Research Training Group (IRTG 2235). 
Dissertation: L²-Theory for Nonlocal Operators on Domains.
Betreuer: Prof. Dr. Moritz Kassmann.

• 2015 – 2016.  Abschluss des Master mit Lehrveranstaltungen in mathematik (M.Sc.) 
African Institute for Mathematical Sciences (AIMS), Kamerun. 
Masterarbeit: Delaunay-type Interfaces in a Screened Model of Diblock Copolymer Melts. 

• 2012 – 2015. Abschluss des Forschungsorientierter Master in mathematik (M.Sc.). 
Universität Jaunde I, Kamerun.
Masterarbeit:  Sharp Estimates of the Bergman Projection in the Unit Disk.

• 2009 – 2012. Abschluss des Bachelor Mathematik (B.Sc.).  
Universität Jaunde I, Kamerun. 

Forschungsinteressen

  •  Analyse nichtlokaler Operatoren vom Lévy-Typ und Integro-Differentialgleichungen (IDEs). 
  • Theorie von Funktionenräumen im Zusammenhang mit Integro-Differentialgleichungen (IDEs). 
  • Variationsprinzipien sowie Existenz, Eindeutigkeit und Regularität von Lösungen.
  • Asymptotische Analyse: Übergang von nichtlokalen zu lokalen Modellen, Homogenisierung, Γ-Konvergenz und verwandte Fragestellungen.
  • Mit: M.Fall.  Delaunay-type  interface in a screened  model of diblock copolymer melts.  Preprint (2026)
  • Optimal stability of Dirichlet problem for the regional fractional p-Laplacian Preprint (2026)
  • Robust interpolation inequalities via Chebyshev-type integral inequalities Preprint (2026)
  • Optimal stability of complement value problems for p-Lévy operators  Preprint  (2026)
  • Mit: D.  Padilla-Garza, M. Schmidtchen.  Gradient Flow Solutions for Porous Medium Equations with Nonlocal Lévy-type Pressure  Published.  Calc. Var. & PDEs. (2025).
  • Stability of complement value problems for p-Lévy operators. Published  NoDEA. 32, 1 (2025).
  • Nonlocal Gagliardo-Nirenberg-Sobolev type inequality, Published.  Commun. Math. Sci. (2024)
  • Mit: M.Kassmann. A general framework for nonlocal Neumann problems.Published. Commun. Math. Sci (2024).
  • Banach-Saks Theorem for L1 - revisitedArxiv-preprint. (2023).
  • A remake of Bourgain–Brezis–Mironescu characterization of Sobolev spaces. Published. Part. Diff. Equ and App. (2023).
  • Mit: JD Djida, Y. Kouakep Tchaptchié. Nonlocal complement value problem for a global in time parabolic equation. Published. Ellip. and Para. Equa.. (2022).
  • Mit: M. Kassmann, P. Voigt. Mosco convergence of nonlocal to local quadratic forms. Published, Nonlinear Analysis (2020).
  • October 05 -- 07 GAMM Workshop on PDEs and Calculus of Variations 2026. Talk: Optimal stability of Dirichlet problem for the regional fractional p-Laplacian. https://www.uni-augsburg.de/de/fakultaet/mntf/math/prof/invpde/workshop-on-partial-differential-equations-and-calculus-of-varia/
  • September 29, 2026. Seminar invitation at National Taiwan Normal University: Nonlinear Analysis Seminar Series.  Talk: Robust interpolation inequalities via Chebyshev-type inequalities. https://researchseminars.org/seminar/Nonlinear_Analysis_Seminar
  • June 1-5, 2026,  The 13th spring school on Nonlinear Analysis, Function Spaces, and Applications. Talk: Optimal stability of Dirichlet problems for the regional fractional p-Laplacian. https://www.nafsa13.cz/homepage 
  • March 9--13, 2026. Spring School “Horizons in Nonlinear PDEs” in Ulm.  Talk: Robust log-convex interpolation inequalities via Chebyshev-type inequalities.  http://www.uni-ulm.de/horizonsPDEs
  • February 09--13, 2026. Research invitation to TU Wien: Talk: Optimal  Stability of complement value problems for p-Lévy operators. TBA.
  • January 14, 2026.  Seminar Talk: Great Bay University, School of Science, China. Seminar by Prof. József Lörinczi and Prof. Renming Song (University of Illinois). Talk: Gradient flow technique for porous medium equation with driven by Lévy operators.
  • January 09, 2026.  African-European Early-Career Network for Mathematical Analysis and Related Fields. Talk: Robust log-convex interpolation inequalities via Chebyshev-type inequalities.  https://math-events.uni-bonn.de/event/920/
  • September 22-24, 2025. (Dresden Germany) Workshop: 1st GAMM activity group workshop "Analysis of partial differential equations and calculus of variations" Contributed talk: Robust log-convex interpolation inequalities via Chebyshev-type inequalities. https://tud.link/pm8kv1
  • July 22 -24, 2025.  (Oldenburg Germany): Workshop: Recent Trends in Calculus of Variations and PDE. Participant. https://sites.google.com/view/workshopoldenburg/home.
  • March 17-22, 2025. (Bielefeld university, Germany) Conference: Nonlocal Equations: Analysis and Numerics. Contributed poster: Optimal stability of complement value problems for -Lévy operators. https://www.sfb1283.uni-bielefeld.de/2025_BI-nonlocal/.
  • Feburay  17-20, 2025. (Bielefeld university, Germany) Workshop: The twelfth Bielefeld-SNU Joint Workshop. Contributed poster: Optimal stability of complement value problems for p-Lévy operators. https://irtg.math.uni-bielefeld.de/workshop2025.
  • 2020-- 2025. Other presentations and talks  For older talk see