Jordan Marajh

Currently I am a postgraduate researcher in the School of Mathematical Sciences at Queen Mary University of London in my 4th year. I am under the supervision of Prof. Juan A. Valiente Kroon.

My research interests lie in General Relativity, particularly where the analysis of PDEs and Conformal/Differential Geometry enter the picture.

I am also exploring machine learning methods for mathematical discovery in the context of Differential Geometry.

Contact: j.marajh@qmul.ac.uk

Address: School of Mathematical Sciences, Queen Mary University of London, Mile End Road, London, E1 4NS, United Kingdom

Research

Controlled regularity at future null infinity from past asymptotic initial data: the wave equation with G. Taujanskas and J. Valiente Kroon.
A Melrosian perspective of Friedrich’s cylinder at spatial infinity (to appear on arXiv in collaboration with E. Gasperin and J. Valiente Kroon).

Teaching/Supervision

PhD resident researcher at 1729 Maths School:

Selected for a highly competitive residency at a specialist institution dedicated to the UK's top young mathematicians.
Co-created and refined advanced pedagogical materials, critically reviewing, designing, and iterating on complex problem sheets to challenge high-ability learners.
Mentored and coached young mathematicians, guiding them through abstract proof-writing, Olympiad-style problem solving, and university-level mathematical reasoning.
Discharged residential and boarding duties, maintaining a secure, supportive environment and ensuring operational safety and student welfare outside of academic hours.

Adjunct Faculty Lecturer at Verto Education:

Designed, delivered and assessed students on the following courses

MATH 1115 - Pre-Calculus
MATH 2228 - Elementary Statistics

Adjunct Lecturer at Arcadia University:

Designed, delivered and assessed students on the following courses

MATH 110 - Elementary Statistics (for business) (double teaching)

QMUL:

Mentor for student on STRIDE program with C. Garetto.
Applied Linear Algebra (TA), Differential Equations (TA), Introduction to Algebra (TA) (2025/26).
Applied Calculus (TA), Vectors & Matrices (Marking and Exam checking), Statistical Modelling (TA, Marking and Exam Checking) (2024/25).
Applied Calculus (TA), Mathematics B (TA), Vectors & Matrices (TA) (2023/24).
Introduction to Algebra (TA and Marking) (2022/23).

Outreach

A Mathematician Like Me (with A. Onus and M. F. Pintado) in London Mathematical Society Newsletter (05/2025)
A Report on the Black Heroes of Mathematics Conference 2024 in London Mathematical Society Newsletter (02/2025)

Presentations

Academic

Geometry, Analysis and Gravitation (GAnG) group meeting, QMUL, UK (02/2026)
Hyperboloidal Foliations and their Application, Erwin Schrödinger Institute, Vienna (01/2026)
Virtual Infinity Seminar (12/2025)
Poster presentation, GR24/Amaldi16, Glasgow, UK (07/2025)
Special Strong Seminar, Niels Bohr Institute, University of Copenhagen, Denmark (06/2025)
Advances in Hyperbolic Problems, QMUL, UK (06/25)
PGR Day, QMUL, UK (05/2025)
Brit Grav 25, University of Birmingham, UK (04/2025)
Queen Mary Internal Postgraduate Seminar (QuIPS), QMUL, UK (03/2025)
CERS 15, Radboud University, The Netherlands (01/2025)
GAnG group meeting, QMUL, UK (10/2024)
Poster presentation, Swansea Summer School in Nonlinear PDEs, Swansea University, UK (06/2024)
Poster presentation, PGR Day, QMUL, UK (05/2024)
QuIPS, QMUL, UK (02/2024)
QuIPS, QMUL, UK (09/2023)

Outreach

A Mathematician Like Me, Diversity and Decolonisation in Mathematics, University of Warwick (04/2025)
Diversifying the Maths Curriculum, Leyton Sixth Form College, London (04/2025)
Undergraduate Research Seminar talk, QMUL (01/2025)
Guest speaker for A-Level students, Ruislip High School, London (12/2024)
"Stepping Stones" workshop (as a volunteer with Future First), Haberdashers' Hatcham College, London (12/2024)
Keynote speaker for annual Presentation Evening, Ruislip High School (11/2024)
Guest speaker for A-Level students, Ruislip High School, London (6/2024)
Diversifying the Maths Curriculum, Preston Manor High School, London (11/2023)
Undergraduate Research Seminar talk, QMUL (10/2023)

Awards

Short-term visitor award (£1,450) for Fields Institute thematic programme on Shocks and Singularities (May 2026).
Awarded Postgraduate Research Fund (£1,500) from QMUL (Dec 2025/Jan 2026).
QMUL Principal's Studentship covering full tuition and providing a stipend during PhD (2022-2026).
PGR Subject Representative of the year 2025 by QMUL Students' Union at the annual Education Awards.
Runner-Up for Best Student Talk at Brit Grav 25.
Second Runner-Up of Ann Cook Poster Prize at School of Mathematical Sciences PGR Day 2024.
Research stipend for STRIDE program for 8 weeks as a research intern Summer 2022.

Organised Activities

Co-organiser of the Undergraduate Research Seminar (2025-26).
Co-organiser of the Queen Mary Internal Postgraduate Seminar (2023-24).
Co-lead of EDI Subgroup in the School of Mathematical Sciences (2022-Present).

Other Responsibilities

October 2023-September 2024: Head of Queen Mary Maths Circle (in collaboration with We Solve Problems).
November 2022-Present: Mathematics PGR Representative.
February 2023-September 2025: Levelling Up Maths Tutor.

Memberships

Associate Fellow of the Higher Education Academy (AFHEA).
Associate member of the London Mathematical Society.
Member of the Institute of Physics (MInstP).

Fun stuff

I really enjoy playing Dungeons & Dragons and have played for over 8 years almost every week — even during a pandemic. I am an avid videogame enjoyer and used to stream games online, in particular I enjoy rhythm games such as Osu! and looter shooters like Destiny 2. I also watch (a lot of) anime.

I walk every day into the office (permitting I do not get soaked in the rain) for over an hour and a half in the morning. It gives me plenty of time to think after opening arXiv in the morning and starts my day right.

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