I am a senior research fellow at the Alfréd Rényi Institute of Mathematics working in lowdimensional topology.
My research interests include knot concordance, link cobordisms, embedded surfaces in 4manifolds, and Heegaard Floer homology.
Click here to learn more about me.
Click here for a list of my publications.
This year I am not teaching any class. Click here for my past teaching.
Click here for my work address and email.
Research
Preprints

Correction terms of double branched covers and symmetries of immersed curves
(with Jonathan Hanselman and Biji Wong).
arXiv link

Splitting links by integer homology spheres
(with Marco Golla).
arXiv link

Smoothly slice links in S^2 x S^2 and CP^2 # \overline{CP^2}
(with Clayton McDonald).
arXiv link

On the rank of knot homology theories and concordance
(with Nathan M. Dunfield, Sherry Gong, Thomas Hockenhull, and Michael Willis).
arXiv link
Accepted for publication

Unknotting number 21 knots are slice in K3
(with Stefan Mihajlović).
To appear in Mathematical Research Letters.
arXiv link

A note on surfaces in CP^2 and CP^2 # CP^2
(with Allison N. Miller, Arunima Ray, and András I. Stipsicz).
To appear in Proceedings of the AMS.
arXiv link
Publications

Relative genus bounds in indefinite fourmanifolds
(with Ciprian Manolescu and Lisa Piccirillo).
Mathematische Annalen (2024).
Published version
arXiv link

Nonorientable link cobordisms and torsion order in Floer homologies
(with Sherry Gong).
Algebraic & Geometric Topology 23, iss. 6 (2023), 26272672.
DOI
arXiv link

A generalization of Rasmussen's invariant, with applications to surfaces in some fourmanifolds
(with Ciprian Manolescu, Sucharit Sarkar, and Michael Willis).
Duke Mathematical Journal 172, iss. 2 (2023), 231–311.
DOI
arXiv link

Strands algebras and OzsváthSzabó's Kauffmanstates functor
(with Andrew Manion and Michael Willis),
Algebraic & Geometric Topology 20, iss. 7 (2020), 36073706.
DOI
arXiv link

Generators, relations, and homology for OzsváthSzabó's Kauffmanstates algebras,
(with Andrew Manion and Michael Willis),
Nagoya Mathematical Journal (2020), 159.
DOI
arXiv link

The Knight Move Conjecture is false
(with Ciprian Manolescu),
Proceedings of the American Mathematical Society 148 (2020), 435439.
DOI
arXiv link

Correction terms and the nonorientable slice genus
(with Marco Golla),
Michigan Mathematical Journal 67, iss. 1 (2018), 5982.
DOI
arXiv link

Computing cobordism maps in link Floer homology and the reduced Khovanov TQFT
(with András Juhász),
Selecta Mathematica, New Series 24 (2018), 13151390.
DOI
arXiv link

Concordance maps in knot Floer homology
(with András Juhász),
Geometry & Topology 20 (2016), 36233673.
DOI
arXiv link

On dinvariants and generalised Kanenobu knots,
Journal of Knot Theory and Its Ramifications 25, iss. 8 (2016), 1650048.
DOI
arXiv link
Ph.D. thesis

Heegaard Floer homology and link cobordisms
Mathematics PhD theses, Imperial College London (2017).
DOI
Other manuscripts
Notes

Spectra in Khovanov and knot Floer theories
(with Sucharit Sarkar and András Stipsicz).
To appear in Singularities and Low Dimensional Topology, Bolyai Society Mathematical Studies.
arXiv link
M.Sc. thesis

On infinite families of nonquasialternating thin knots. PDF
This is a largely expository work, written in 2013.
WARNING: I was not familiar with citing conventions back then, so sadly you will not find proper references for theorems, propositions, and parts of the expositions.
Teaching
Past teaching at ELTE
This term (Autumn 2024) András Stipsicz and I are teaching a class at ELTE about topics in lowdimensional topology.
Past teaching at UCLA
Term 
Classes taught 
Spring 2020 
MATH 123  Foundations of Geometry 
Winter 2020 
MATH 31B  Integration and infinite series 
Fall 2019 
MATH 31B  Integration and infinite series
MATH 115A  Linear Algebra 
Spring 2019 
MATH 31B  Integration and infinite series
MATH 123  Foundations of Geometry 
Winter 2019 
MATH 31B  Integration and infinite series 
Fall 2018 
MATH 115A  Linear Algebra
MATH 235  Manifold Theory 
Spring 2018 
MATH 115A  Linear Algebra
MATH 131A  Analysis 
Winter 2018 
MATH 115B  Linear Algebra
MATH 123  Foundations of Geometry 
Fall 2017 
MATH 31B  Integration and infinite series 