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İstanbul, Türkiye, July 2025Photo credit: E. Winter
Havva Yoldaş
Parc National des Calanques, Luminy, FranceNovember 2022
Contact Details
E-mail: h.yoldas[AT]tudelft.nl, havva.yoldas[AT]gmail.com
Address: Office: HB 05.060, Building 36, Mekelweg 4, 2628 CD Delft, Netherlands.
Affiliation: Delft Institute of Applied Mathematics, Faculty of Electrical Engineering, Mathematics and Computer Science, Delft University of Technology.
Hi, welcome to my professional webpage!
I am a tenured assistant professor and Delft Technology Fellow at the Delft Institute of Applied Mathematics (DIAM), TU Delft. My main research area is the analysis of partial differential equations arising from the applied sciences.
Before joining TU Delft in October 2022, I was a postdoc at University Lyon 1 (2019-2021) and University of Vienna (2021-2022). I obtained my PhD jointly from the University of Granada and the Basque Center for Applied Mathematics in October 2019. My PhD supervisor was José A. Cañizo. You can find a version of my CV here.
In August 2023, I was awarded a Veni grant (ENW Science domain) from the NWO (Dutch Research Council) with my project abbreviated "MetaMathBio". The project duration is from February 2024 to February 2028.
I co-organise the seminar in PDE and Applications at TU Delft. I am also a member of the Diversity & Inclusion Committee of DIAM.
Upcoming scientific events:
PDE and Mathematical Physics Seminar, 25 September 2025, ETH Zurich, Switzerland, (invited talk).
Autumn School: From microscopic dynamics to continuum limits, 20-24 October, 2025, Vrije Universiteit Amsterdam, The Netherlands, (organiser).
INI Retreat, 14-20 December, 2025, Isaac Newton Institute for Mathematical Sciences, Cambridge, UK.
Nonlinear diffusion models: analytical & numerical challenges, 19 - 23 January 2026, Lorentz Center, Leiden, The Netherlands.
General Mathematics Colloquium, 4 February 2026, Vrije Universiteit Amsterdam, The Netherlands, (invited talk).
The 15th AIMS Conference, 6-10 July, 2026, Athens, Greece, (invited talk).
Collective movement and pattern formation: Biology, modelling and analysis, 27-30 July, 2026, ICMS, Edinburgh, UK.
Recent news:
September 2025
I visited Prof. M. Iacobelli at the FIM - Institute for Mathematical Research, ETH Zurich for a month.
July 2025
Our project entitled "Kinetic study of CO₂ adsorption on Lewatit VP OC 1065 under Direct Air Capture conditions" has been accepted for funding from the Climate Action Research and Education Seed of TU Delft. Main applicant is Dr. T. Nijssen (Mechanical Engineering) and I serve as the co-applicant.
June 2025
Our article entitled "Macroscopic effects of an anisotropic Gaussian-type repulsive potential: nematic alignment and spatial effects," (together with S. Merino-Aceituno, S. Plunder and C. Wytrzens) is published online in Mathematical Models and Methods in Applied Sciences.
May 2025
An interview where I talk about my Veni application process has just appeared on the European Mathematical Society Magazine.
As DIAM's Diversity & Inclusion Committee, we organised an event to celebrate the International Day of Women in Mathematics on May 12!
I got promoted to UD 1 from UD 2.
April 2025
I visited Dr. K. Nik (KAUST) for 9 days.
March 2025
Our preprint "On a class of nonlinear BGK-type kinetic equations with density dependent collision rates," (together with J. Evans and D. Morris) is available on arXiv.
Older News
Older News
February 2025
J. Evans (University of Warwick) visited me at TU Delft for 10 days.
November 2024
I gave an outreach talk to Shizuoka Prefectural Fujiueda Nishi High School students during their visit at OIST. My very first outreach talk in Japanese.
October 2024
Our preprint "Macroscopic effects of an anisotropic Gaussian-type repulsive potential: nematic alignment and spatial effects," (together with S. Merino-Aceituno, S. Plunder and C. Wytrzens) is available on arXiv.
August 2024
S. Plunder (University of Kyoto) visited me in OIST for a week.
May 2024
Our article entitled "Trend to equilibrium for run and tumble equations with non-uniform tumbling kernels" (together with J. Evans) is published online in Acta Applicandae Mathematicae.
V. Freingruber started her postdoc within my research group.
February 2024
I successfully obtained my University Teaching Qualification (UTQ) completing all 4 modules and passing my final evaluation.
D. Morris started his PhD within my research group.
January 2024
Our EWM-EMS summer school: Kinetic Theory arising from Mathematical Biology was granted financial support from the European Mathematical Society.
December 2023
I was on a two-week research visit at the University of Granada, hosted by José A. Cañzio.
November 2023
Our article entitled "On the asymptotic behaviour of a run and tumble equation for bacterial chemotaxis" (together with J. Evans) is published online in SIAM Journal on Mathematical Analysis.
Our project entitled "Co-feeding of formate to increase carbon assimilation in microbial communities: quantifying ecology to sustainably advance biotechnology" has been accepted for funding from the Climate Action Research and Education Seed of TU Delft. Main applicant is Dr. Rebeca Gonzalez-Cabaleiro and I serve as the co-applicant.
September 2023
A post-doc position (for 1 year) and a PhD position (for 4 years) to work in the broad area of mathematical analysis of PDEs arising from biology & physics are available. The deadline for appications for the postdoc position is November 15, 2023 and for the PhD position November 1, 2023. For scientific inquiries you can send me an email.
August 2023
I was awarded a Veni grant by the NWO (Dutch Research Council) with my reseach proposal entitled "Mathematical analysis of metastability in complex biological systems". Here is the news on the NWO website and here on the TU Delft website.
July 2023
Our preprint "Trend to equilibrium for run and tumble equations with non-uniform tumbling kernels," (together with J. Evans) is available on arXiv.
June 2023
Two interdisciplinary MSc. projects (of which I am the main supervisor) are selected to receive grants from the Delft Bioengineering Institute. We are looking for M.Sc. candidates in Mathematics (or Engineering disciplines with strong background in Mathematics) with an interest in interdisciplinary research. More information can be found here.
Our paper "On the asymptotic behaviour of a run and tumble equation for bacterial chemotaxis," (together with J. Evans) is accepted in SIAM Journal on Mathematical Analysis.
Our paper "Concentration in Lotka-Volterra parabolic equations: an asymptotic-preserving scheme," (together with H. Hivert and V. Calvez) is published online in Numerische Mathematik.
April 2023
Our EWM-EMS summer school proposal (together with J. Evans and S. Solem) is accepted. The summer school entitled "Kinetic Theory Arising from Mathematical Biology" will take place at the Mittag-Leffler Institute, Sweden in 1-5 July 2024.
March 2023
My review paper "On quantitative hypocoercivity estimates based on Harris-type theorems" is published in Journal of Mathematical Physics in March 2023. Here is a short summary.
November 2022
Our paper "A cross-diffusion system obtained via (convex) relaxation in the JKO scheme" (together with R. Ducasse and F. Santambrogio) is published online in Calculus of Variations and Partial Differential Equations in November 2022.
May 2022
I was awarded a Delft Technology Fellowship by TU Delft.
April 2022
I was awarded the APART-MINT Fellowship by the Austrian Academy of Sciences (ÖAW). I had to decline it due to an overlap with my new position in Delft.
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