Education

KTH, Stockholm, Sweden • *since September 2019*

supported by Wallenberg AI, Autonomous Systems and Software Program (WASP)

University of Oslo • *January - August 2019*

ICERM, Brown University • *September 2018 - May 2019*

Mathematics, Technische Universität Berlin, Germany • *August 2015 - August 2018*

Advisors: Bernd Sturmfels and Peter Bürgisser

Thesis: Isotropic and Coisotropic Subvarieties of Grassmannians

Computer science, Paderborn University, Germany • *April 2013 - July 2015*

Degree: Master of Science (passed with distinction)

Thesis: Number of Voronoi-relevant vectors in lattices with respect to arbitrary norms

Advisor: Johannes Blömer

Mathematics, Paderborn University, Germany • *April 2013 - July 2015*

Degree: Master of Science (passed with distinction)

Thesis: Number of Voronoi-relevant vectors in lattices with respect to arbitrary norms

Advisor: Johannes Blömer

Mathematics, Stockholm University & KTH Royal Institute of Technology, Sweden • *September 2014 - January 2015*

Mathematics, Paderborn University, Germany • *October 2010 - March 2013*

Degree: Bachelor of Science (passed with distinction)

Thesis: Attributbasierte Verschlüsselung mittels Gittermethoden - Mathematische Grundlagen

Advisor: Johannes Blömer

Computer science, Paderborn University, Germany • *October 2009 - March 2013*

Degree: Bachelor of Science (passed with distinction)

Thesis: Attributbasierte Verschlüsselung mittels Gittermethoden - Verfahren und Sicherheitsbeweise

Advisor: Johannes Blömer

Scholarship-based study program with internship phases in computer science with minor subject economic sciences • *September 2009 - September 2012*

Cooperation of Paderborn University and Atos (formerly Siemens) IT Solutions and Services

Scholarships

Best Student Paper Award at ICCV 2019• *PLMP - Point-Line Minimal Problems in Complete Multi-View Visibility • with Timothy Duff, Anton Leykin and Tomas Pajdla *

Marie Skłodowska-Curie Individual Fellowship• *Higher Order Polar calculus and Euclidean distance degree • 2 years (with Sandra Di Rocco at KTH)*

SIAM Student Travel Award• *to attend SIAM Conference on Applied Algebraic Geometry, 31 July - 4 August 2017*

Award of the Faculty of Computer Science, Electrical Engineering and Mathematics at the Paderborn University for excellence in studies with master degree in computer science• *1 July 2016*

Doctoral fellowship by the Einstein Foundation Berlin• *August 2015 - July 2017*

Award of the Faculty of Computer Science, Electrical Engineering and Mathematics at the Paderborn University for excellence in studies with bachelor degree in computer science• *12 July 2013*

Finalist of the Google Anita Borg Scholarship• *June 2012*

Scholarship from the German National Academic Foundation (“Studienstiftung des deutschen Volkes”)• *October 2011 - September 2015*

Participant in the elite support program of the Faculty of Computer Science, Electrical Engineering and Mathematics at the Paderborn University• *February 2011 - September 2015*

Scholarship from “Stiftung Studienfonds OWL”• *October 2010 - September 2012*

Invariant theory and scaling algorithms for maximum likelihood estimation

(with Carlos Améndola, Philipp Reichenbach and Anna Seigal)

*Preprint*

A friendly overview

PL_{1}P - Point-line Minimal Problems under Partial Visibility in Three Views

(with Timothy Duff, Anton Leykin and Tomas Pajdla)

*Preprint*

Pure and Spurious Critical Points: a Geometric Study of Linear Networks

(with Joan Bruna and Matthew Trager)

*International Conference on Learning Representations 2020*

Projective geometry of Wachspress coordinates

(with Kristian Ranestad)

*Found Comput Math (to appear)*

NSF Research Highlight

PLMP - Point-Line Minimal Problems in Complete Multi-View Visibility

(with Timothy Duff, Anton Leykin and Tomas Pajdla)

*International Conference on Computer Vision 2019 ( Best Student Paper Award)*

Isotropic and Coisotropic Subvarieties of Grassmannians

(with James Mathews)

*Preprint*

Moment Varieties of Measures on Polytopes

(with Boris Shapiro and Bernd Sturmfels)

*Annali della Scuola Normale Superiore di Pisa (to appear)*

Computing Tropical Varieties in Macaulay2

(with Carlos Améndola, Sara Lamboglia, Diane Maclagan, Ben Smith, Jeff Sommars, Paolo Tripoli and Magdalena Zajaczkowska)

*Preprint*

Macaulay2 package

Changing Views on Curves and Surfaces

(with Bernd Sturmfels and Matthew Trager)

*Acta Mathematica Vietnamica 43 (2018) 1-29.*

Videos

The Complex of Non-Chromatic Scales

(with Ernst Ulrich Deuker)

*German version Der Komplex der nicht-chromatischen Skalen in Mitteilungen der DMV 25 (2017) 17-25. *

Secants, bitangents, and their congruences

(with Bernt Ivar Utstøl Nødland and Paolo Tripoli)

*Combinatorial Algebraic Geometry, (eds. G.G. Smith and B. Sturmfels), Fields Inst. Commun. 80, Fields Inst. Res. Math. Sci., (2017) 87–112 *

Coisotropic Hypersurfaces in Grassmannians

*Journal of Symbolic Computation (to appear)*

Macaulay2 package

Computing the Chow variety of quadratic space curves

(with Peter Bürgisser, Pierre Lairez and Bernd Sturmfels)

*Mathematical Aspects of Computer and Information Sciences, (eds. I. Kotsireas, S. Rump and C. Yap), MACIS 2015, Berlin, (2016) 130-136.*

Voronoi Cells of Lattices with Respect to Arbitrary Norms

(with Johannes Blömer)

*SIAM J. Appl. Algebra Geometry, 2(2018) 314–338.*

Projective geometry of Wachspress coordinates

*London Topology and Geometry SeminarLondon School of Geometry and Number Theory*•

What is Nonlinear Algebra?

*MAM seminarMälardalen University, Västerås, Sweden*•

Invariant theory and scaling algorithms for maximum likelihood estimation

*General Mathematics ColloquiumKorteweg-de Vries Institute for Mathematics*•

The geometry of neural networks

*Math Machine Learning seminarMPI MiS Leipzig and UCLA*•

Gaussian group models

*Webinar series on Recent Connections to and Progress in GCTChennai Mathematical Institute*•

Minimal Problems in Computer Vision

*Nonlinear Algebra Seminar OnlineMPI MiS Leipzig*•

Der Komplex der nicht-chromatischen Skalen

*Interdisciplinary Workshop on Mathematics and MusicUniversity of Music and Theatre Leipzig*•

The adjoint of a polytope

*Lucia GeometricaStockholm university*•

Point-Line Minimal Problems for 3 Cameras with Partial Visibility

*Algebra SeminarCTU Prague*•

The geometry of neural networks

*Mathematics of Data SeminarMPI MiS Leipzig*•

The adjoint polynomial of a polytope

*Combinatorics SeminarKTH*•

The geometry of neural networks

*Oberseminar Optimization and Data AnalysisTU München*•

Minimal Problems in Computer Vision

* ColloquiumUniversity of Oslo*•

The adjoint of a polytope

* Complexity of numerical computationBerlin-Brandenburg Academy of Sciences and Humanities*•

Point-Line Minimal Problems in Complete Multi-View Visibility

*Algebra SeminarCTU Prague*•

Moment Varieties of Measures on Polytopes

* SIAM Conference on Applied Algebraic GeometryUniversity of Bern*•

The adjoint of a polytope

* Workshop on Applied AlgebraTU Braunschweig*•

Moment Varieties of Measures on Polytopes

* ASGARD Math 2019University of Oslo*•

Point-Line Minimal Problems in Complete Multi-View Visibility

* Optimization Methods in Computer Vision and Image ProcessingICERM*•

Projective geometry of Wachspress coordinates

*Algebra SeminarGeorgia Tech*•

The adjoint of a polytope

* Meeting on Applied Algebraic GeometryGeorgia Tech*•

The adjoint of a polytope

* AMS Spring Eastern Sectional MeetingUniversity of Connecticut Hartford*•

Point Line Minimal Problems in Complete Multi-View Visibility

*Postdoc SeminarICERM*•

The adjoint of a polytope

*Seminar on Algebra and Algebraic GeometryUniversitetet i Oslo*•

Moment Varieties of Measures on Polytopes

*The MIC SeminarCenter for Data Science and Courant Institute, NYU*•

Moment Varieties of Measures on Polytopes

*Postdoc SeminarICERM*•

(Co)isotropic Varieties

*Algebraic Geometry SeminarBrown University*•

Changing Views on Curves and Surfaces

* Joint Meeting of KMS and DMV COEX, Seoul*•

Algebraisches Sehen - Brücken zwischen reiner und angewandter Forschung

*Lange Nacht der WissenschaftenMPI MIS Leipzig*•

Isotropic and Coisotropic Subvarieties of Grassmannians

*Graduate Student Meeting on Applied Algebra and CombinatoricsUniversität Osnabrück*•

Der Komplex der nicht-chromatischen Skalen

* Gemeinsame Jahrestagung GDMV 2018Universität Paderborn*•

Changing Views on Curves and Surfaces (Video)

*BMS Student ConferenceFU Berlin*•

Isotropic Subvarieties of Grassmannians

*Berlin-Leipzig Seminar on Algebra, Geometry and CombinatoricsFU Berlin*•

Coisotropic Hypersurfaces in Algebraic Vision

*BMS-BGSMath Junior Meeting 2017Institut d'Estudis Catalans, Barcelona*•

Coisotropic Varieties in Algebraic Vision

*Kolloquium Algorithmische AlgebraTU Berlin*•

Computing Chow Forms, Hurwitz Forms, and Beyond

* SIAM Conference on Applied Algebraic GeometryGeorgia Institute of Technology*•

Changing Views on Curves and Surfaces

* SIAM Conference on Applied Algebraic GeometryGeorgia Institute of Technology*•

Preparatory lectures for the Chow lectures

*Chow lecturesMPI MIS Leipzig, Universität Leipzig*•

Plücker Varieties and Higher Secants of Sato's Grassmannian

*Reading Group on High dimensional algebraic geometryMPI MIS Leipzig*•

Mathematik in Musiktheorie- und praxis

*Der 22. Berliner Tag der Mathematik HU Berlin*•

Chow and Hurwitz complexes and their singular loci

* Saxonian Geometry DayTU Chemnitz*•

Singular Loci of Coincident Root Loci

*Kolloquium algorithmische Mathematik und KomplexitätstheorieTU Berlin*•

Coisotropic hypersurfaces in Grassmannians

*Forschungsseminar Algebra/Algebraische GeometrieFU Berlin*•

Coisotropic hypersurfaces in Grassmannians

*KTH & SU Algebra and Geometry Seminar KTH Stockholm*•

What is ... an Eigenvector of a Tensor?

*"What is ...?" seminarBMS Loft, Urania, Berlin*•

Coisotropic hypersurfaces in the Grassmannian

*Workshop on Discrete and Non-Linear Geometry Technische Universität Berlin*•

Coisotropic hypersurfaces in the Grassmannian

*Kolloquium Algebra und Zahlentheorie Technische Universität Berlin*•

Das ist das Haus vom Ni-ko-laus

*Der 21. Berliner Tag der Mathematik FU Berlin*•

Voronoi Cells of Lattices with Respect to Arbitrary Norms

* Joint Annual Meeting of DMV and GAMM 2016 TU Braunschweig*•

Self-Duality of Coisotropic Hypersurfaces in Grassmannians

*Seminar on NonLinear Algebra Technische Universität Berlin*•

Computing the Chow Variety of Quadratic Space Curves

* MACIS 2015 - Sixth International Conference on Mathematical Aspects of Computer and Information Sciences Zuse Institute Berlin*•

Voronoi Cells of Lattices w.r.t. Arbitrary Norms

*Seminar Discrete Geometry Freie Universität Berlin*•

Valuation and integral

*Seminar Continuous Combinatorics Freie Universität Berlin*•

Number of Voronoi-relevant vectors in lattices with respect to arbitrary norms

*Oberseminar Codes & Kryptographie Paderborn University*•

Gaussian Graphical Models

*Seminar Algebraic Statistics Freie Universität Berlin*•

Project Group "DynaSearch" - Final Presentation

*Oberseminar Algorithmen & Komplexität Paderborn University*•

NCP Group - Overview and New Results

*Project Group DynaSearch - P2P-based infrastructure for OTF-markets Paderborn University*•

NCG Group - New Results and Open Problems

*Project Group DynaSearch - P2P-based infrastructure for OTF-markets Paderborn University*•

Hyperbolische Mengen

*Seminar Ergodentheorie Paderborn University*•

NCG Group - New Results and Open Problems

*Project Group DynaSearch - P2P-based infrastructure for OTF-markets Paderborn University*•

The weak 3-flow conjecture and the weak circular flow conjecture

*Seminar Graphentheorie Paderborn University*•

NCG Group - First Results and Open Problems

*Project Group DynaSearch - P2P-based infrastructure for OTF-markets Paderborn University*•

Project Group "DynaSearch" - Intermediate Report: Results and Plans

*Oberseminar Algorithmen & Komplexität Paderborn University*•

Forensik

*Seminar Hacking Paderborn University*•

Random Graphs and their Use in Peer-to-Peer Networks

*Seminar DynaSearch - P2P-based infrastructure for OTF-markets Paderborn University*•

Explizite Konstruktion von Expandergraphen

*Sommerakademie "Woher kommt der Zufall in zufallsgesteuerten Algorithmen?" (Studienstiftung des deutschen Volkes) Görlitz, Germany*•

A Lower Bound for Computing the Diameter

*Seminar Local Algorithms Paderborn University*•

Attributbasierte Verschlüsselung mittels Gittermethoden

*Oberseminar Codes & Kryptographie Paderborn University*•

Projekt Wäschespeichersysteme

*Mathematisches Praktikum Paderborn University*•

Fliegende Cops: Charakterisierung der Baumweite

*Sommerakademie "Kombinatorische Suchspiele - von Räubern und Gendarmen" (Studienstiftung des deutschen Volkes) Neubeuern, Germany*•

Symmetrische Gruppen

*Proseminar Darstellungen endlicher Gruppen Paderborn University*•

Zählen perfekter Matchings in planaren Graphen

*Seminar über Computeralgebra, Darstellungstheorie und Kombinatorik Paderborn University*•

Visuelle Kryptografie

*Proseminar Eliteförderprogramm Paderborn University*•

Martin Bråtelund• *joint with Kristian Ranestad*

Lukas Gustafsson• *joint with Sandra Di Rocco*

my cello and I perform with Sh'lonk on their studio album child of music (released April 7, 2017)

Fika Webinar on Nonlinear Algebra

*KTH*• *April - July 2020*

Workshop on Nonlinear Algebra

*TU Berlin*• *26 - 27 March 2020*

Combinatorial Coworkspace

*Haus Bergkranz, Kleinwalsertal, Austria*• *8 - 15 March 2020*

Interdisciplinary Workshop on Mathematics and Music

*University of Music and Theatre Leipzig*• *16 - 17 January 2020*

Lucia Geometrica

*Stockholm university*• *9 - 13 December 2019*

COMinDS2019: Computational and Mathematical Methods in Data Science

*Zuse Instutite Berlin*• *24 - 25 October 2019*

TiME 2019: Curves and Surfaces - A History of Shapes

*Hotel Bellavista, Levico Terme, Italy*• *02 - 06 September 2019*

Complexity of numerical computation

*Berlin-Brandenburg Academy of Sciences and Humanities*• *19 - 23 August 2019*

SIAM Conference on Applied Algebraic Geometry

*University of Bern*• *09 - 13 July 2019*

Workshop on Applied Algebra

*TU Braunschweig*• *07 - 08 June 2019*

ASGARD Math 2019

*University of Oslo*• *14 - 16 May 2019*

1st meeting on Cubic Surfaces

*University of Oslo*• *13 May 2019*

Optimization Methods in Computer Vision and Image Processing

*ICERM*• *29 April - 03 May 2019*

Meeting on Applied Algebraic Geometry

*Georgia Tech*• *13 - 14 April 2019*

AMS Spring Eastern Sectional Meeting

*University of Connecticut Hartford*• *13 - 14 April 2019*

Computational Imaging

*ICERM*• *18 - 22 March 2019*

Theory and Practice in Machine Learning and Computer Vision

*ICERM*• *18 - 22 February 2019*

Algebraic Vision Research Cluster

*ICERM*• *28 January - 15 February 2019*

Scientific Machine Learning

*ICERM*• *28 - 30 January 2019*

Mørketidens Matte-Møte

*University of Tromsø - The Arctic University of Norway*• *10 - 11 January 2019*

Applied Algebra Day

*MIT*• *17 November 2018*

Nonlinear Algebra in Applications

*ICERM*• *12 - 16 November 2018*

Real Algebraic Geometry and Optimization

*ICERM*• *15 - 19 October 2018*

Joint Meeting of KMS and DMV

*COEX, Seoul*• *03 - 06 October 2018*

AGNES

*Brown University*• *20 - 22 September 2018*

Core Computational Methods

*ICERM*• *17 - 21 September 2018*

Nonlinear Algebra Bootcamp

*ICERM*• *05 - 12 September 2018*

Lange Nacht der Wissenschaften

*MPI MIS Leipzig*• *22 June 2018*

Introduction to Algebraic Statistics

*FU Berlin*• *25 - 27 May 2018*

Graduate Student Meeting on Applied Algebra and Combinatorics

*Universität Osnabrück*• *22 - 24 March 2018*

Gemeinsame Jahrestagung GDMV 2018

*Universität Paderborn*• *05 - 09 March 2018*

BMS Student Conference

*Berlin*• *21 - 23 February 2018*

Berlin-Leipzig Seminar on Algebra, Geometry and Combinatorics

*Leipzig/Berlin*• *October - December 2017*

NoGAGS 2017

*Humboldt Universität Berlin*• *16 - 17 November 2017*

Algebra meets Numerics: Condition and Complexity

*Berlin*• *06-07 November 2017*

BMS-BGSMath Junior Meeting 2017

*Institut d'Estudis Catalans, Barcelona*• *09-10 October 2017*

Interactions with Lattice Polytopes

*Otto-von-Guericke-Universität Magdeburg*• *14-16 September 2017*

Stockholm Master Class in Tropical geometry

*Stockholm University, KTH*• *14-27 August 2017*

SIAM Conference on Applied Algebraic Geometry

*Georgia Institute of Technology, Atlanta, Georgia, USA*• *31 July - 04 August 2017*

Applied Macaulay2 Tutorials

*Georgia Institute of Technology, Atlanta, Georgia, USA*• *27-29 July 2017*

Reading Group on Real Algebraic Geometry

*MPI MIS Leipzig*• *03-07 July 2017*

Chow lecture

*MPI MIS Leipzig, Universität Leipzig*• *22-24 May 2017*

Computing in Tropical Geometry

*Zuse Institute, Berlin*• *11-12 May 2017*

ASGARD Math 2017: A Scandinavian Gathering Around Remarkable Discrete Mathematics

*University of Oslo, Norway*• *27-28 April 2017*

Der 22. Berliner Tag der Mathematik

*HU Berlin, Germany*• *22 April 2017*

8th polymake conference and developer meeting

*TU Berlin*• *03 February 2017*

Polar geometry

*University of Oslo*• *26-28 January 2017*

Reinhold-Baer-Kolloquium

*TU Berlin*• *21 January 2017*

Saxonian Geometry Day

*TU Chemnitz*• *08-09 December 2016*

Weekly Joint Seminar with MPI MIS Leipzig

*MPI Leipzig / TU Berlin*• *Winter term 2016/2017*

Heidelberg Laureate Forum

*Heidelberg, Germany*• *18-23 September 2016*

Thematic Program on Combinatorial Algebraic Geometry

*The Fields Institute for Research in Mathematical Sciences, Toronto, Canada*• *July - September 2016*

Summer School: Geometry of Valuations

*Goethe University, Frankfurt am Main, Germany*• *4-8 July 2016*

Absolventenfeier der Fakultät für Elektrotechnik, Informatik und Mathematik

*Universität Paderborn, Germany*• *1 July 2016*

Summer School on Algebra, Statistics and Combinatorics

*Aalto University, Helsinki, Finland*• *27 June - 1 July 2016*

Workshop on Discrete and Non-Linear Geometry

*Technische Universität Berlin*• *16-17 June 2016*

Macaulay2 Workshop 2016

*University of Warwick, UK*• *23-26 May 2016*

Moduli and Automorphic Forms: a Meeting for Women in Mathematics

*HU Berlin, Germany*• *12-14 May 2016*

Der 21. Berliner Tag der Mathematik

*FU Berlin, Germany*• *30 April 2016*

ASGARD Math 2016: A Scandinavian Gathering Around Remarkable Discrete Mathematics

*University of Oslo, Norway*• *21-22 April 2016*

Oberwolfach Workshop: Toric Geometry

*Mathematisches Forschungsinstitut Oberwolfach, Germany*• *27 March-2 April 2016*

Joint Annual Meeting of DMV and GAMM

*Braunschweig, Germany*• *7-11 March 2016*

SM'ART - Seminar on Matroids in Algebra, Representation theory and Topology

*Borel Seminar 2016 Les Diablerets, Switzerland*•

Seminar on NonLinear Algebra

*Technische Universität Berlin*• *10 December 2015*

MACIS 2015 - Sixth International Conference on Mathematical Aspects of Computer and Information Sciences

*Zuse Institute Berlin*• *11-13 November 2015*

Meeting on Algebraic Vision 2015

*Technische Universität Berlin*• *8-9 October 2015*

Summer School: Convex geometry - discrete and computational

*Berlin*• *29 June - 10 July 2015*

Seminar on NonLinear Algebra

*Technische Universität Berlin*• *26 June 2015*

Workshop on NonLinear Algebra

*Berlin*• *29-30 May 2015*

Workshop Tropical Doener

*Freie Universität Berlin*• *27-28 May 2015*

Lecturer • *Fall term 2020*

In English, KTH/SU

Teaching assistant • *Fall term 2019*

In Swedish, KTH

Teaching assistant • *Summer term 2018*

In German, Institute of Mathematics, TU Berlin

Recitation leader • *Winter term 2017/18*

In English, Institute of Mathematics, TU Berlin

Student Instructor • *2012 – 2016*

An annual cryptography workshop for school students.

In German, Department of Computer Science, Paderborn University

Teaching assistant • *Summer term 2014*

In German, Department of Computer Science, Paderborn University

Teaching assistant • *Winter term 2013/14*

In German, Department of Computer Science, Paderborn University

Teaching assistant • *Summer term 2013*

In German, Department of Computer Science, Paderborn University

Teaching assistant • *Winter term 2012/13*

In German, Department of Computer Science, Paderborn University

Teaching assistant • *Winter term 2011/12*

In German, Institute for Mathematics, Paderborn University

Teaching assistant • *Summer term 2011*

In German, Institute for Mathematics, Paderborn University

Teaching assistant • *Winter term 2010/11*

In German, Institute for Mathematics, Paderborn University

Kathlén Kohn

Institutionen för Matematik

KTH

Lindstedtsvägen 25

10044 Stockholm

kathlen@kth.se

+46 8 790 7416

Office: 3641