Home page of Ester Dalvit   

Welded knotted objects The Braid Movie

I am an INdAM-Marie Curie post-doc at the
Department of Mathematics, University of Toronto

My new page.

email: dalvit at math dot toronto dot edu

Previously I was a post-doc in mathematics education at the Laboratory for didactics and communication of mathematics, at the Department of Mathematics of the University of Trento.


Low-dimensional topology, visualization, popularization of mathematics, mathematics education.

Publications (popularization and mathematics education)

Proposte di laboratorio sui fondamenti della matematica: l’infinito e i sistemi assiomatici, in preparation.

The use of computer graphics in teaching mathematics: an interdisciplinary experiment with POV-Ray, submitted.

Matematica e visualizzazione: un’esperienza didattica, submitted.

Braids: A Mathematics Documentary, in George W. Hart and Reza Sarhangi, editors, Proceedings of Bridges 2013: Mathematics, Music, Art, Architecture, Culture, pages 415-418, Phoenix, Arizona, 2013. online paper

Il miglior GPS per non perdersi: la matematica in città, XlaTangente n. 41, pages 14-15, October 2013, pdf.

Braids: a movie to popularise the mathematical theory of braids, Proceedings of the International Conference Aplimat, Bratislava (2013), to appear, pdf.

Il gruppo delle trecce, XlaTangente n. 35, pages 27-31, October 2012.

Il mondo matematico delle trecce, XlaTangente n. 34, pages 26-29, August 2012.

New proposals for the popularization of braid theory, Ph.D. thesis, pdf.

with D. Luminati, How to see a cube moving into its mirror image, The Mathematical Gazette vol. 96 no. 537, pages 471-479, November 2012.


A foray into 4-dimensional knot theory. presentation. Students' seminar, Dijon, April 28, 2014.

Visualizations of welded knots and ribbon 2-knots. presentation. Winter Braids IV, Dijon, February 11, 2014.

Ciac, si gira: le trecce. presentation (in italian). Camerino, October 16, 2013.

A visual introduction to the w-story. pdf. Aarhus, June 3, 2013.


Spring 2013: Experimental mathematics laboratory at school level, University of Trento (in Italian)

Teaching assistant

Spring 2012: Experimental mathematics laboratory at school level, University of Trento (in Italian)

Spring 2011: Experimental mathematics laboratory at school level, University of Trento (in Italian)

Spring 2010: Geometria 2, University of Trento (in Italian)

Spring 2007: Stochastik für Informatiker, Universität Tübingen (in German)


Images des maths talks about me!

One of my movies in Bridges 2014 Short Movies Festival. View it on youtube.

One of my movies in Bridges 2013 Short Movies Festival.

The film Braids published on imaginary.

Animations on knotted surfaces, welded braids and ribbon knots.

Some of the past activities

A talk in a teachers' workshop in UTM, Aug 27.

VasKho meeting, Grenoble, June 30-July 4.

In Luminy, June 23-27, Geometric and Quantum Topology in Dimension 3.

In Toronto from March 6 to April 18, working on invariants of knotted spheres. See a talk by Dror Bar-Natan.

Seminar "A foray into 4-dimensional knot theory", students' seminar, Dijon April 28.

Matematica in città: a project for the popularization of maths in Bolzano.

Teacher training and loan of teaching material for the educational workshops (see the lab page, in italian).

Math.en.jeans: local organizer for Trentino-Alto Adige 2013-2014, 2012-2013; researcher in 2012-2013, 2011-2012, 2010-2011, 2009-2010.

An exhibit and a video for MuSe, the new science museum of Trento.

Longitudine (in italian): students learning 3d graphics with POV-Ray to do animations about astronomy (Liceo Torricelli, Bolzano).

High school students residential workshops (Bottega del matematico, in Italian, 2013, 2012, 2011).