Julien Tierny

CNRS - Sorbonne Universite
Computer Science Department (LIP6)

julien dot tierny at sorbonne-universite dot fr

4, Place Jussieu, 75005 Paris, France.
Office: 306, Hall 25-26
Phone: (+33) 1 44 27 88 25

I am a senior researcher (DR2) with the CNRS, at the Computer Science Department (LIP6, APR team) of Sorbonne Universite. I am also a professor (PCC) at Ecole Polytechnique. My research focuses on Topological Data Analysis and Visualization.
I am the principal investigator of the project TORI (In-situ Topological Reduction of Scientific Data), awarded by the ERC.

>>> Full curriculum

News

· Our paper on the topological analysis of geoscience temporal data has been accepted to Nature Geoscience!	[Aug. 14, 2025]
· Our IEEE VIS 2025 paper has been awarded the Best Paper Honorable Mention Award!	[Aug. 03, 2025]
· Our paper on topology-aware neural interpolation has been accepted to TopoInVis!	[Aug. 01, 2025]
· Our paper on the topological analysis of chemical ensemble data has been accepted to IEEE VIS!	[Jul. 16, 2025]
· Our paper on sampling strategies for sliced-optimal transport has been accepted to TMLR!	[Jun. 06, 2025]

Research

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Teaching

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Misc

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		Introduction to Topological Data Analysis Master program, class webpage. Master MVA (Maths, Vision and Learning, ENS), fall 2017-present.
		Introduction to scientific visualization Scientific visualization, master program, class webpage. ENSTA ParisTech, spring 2013-present. Exercise package.
		Domain representations Scientific visualization, master program, class webpage. ENSTA ParisTech, spring 2013-present. Exercise package.
		Scalar field visualization Scientific visualization, master program, class webpage. ENSTA ParisTech, spring 2013-present. Exercise package.
		Vector field visualization Scientific visualization, master program, class webpage. ENSTA ParisTech, spring 2013-present. Exercise package.
		Tensor field visualization Scientific visualization, master program, class webpage. ENSTA ParisTech, spring 2013-present. Exercise package.
		Surface parameterization Computer graphics, master program. Telecom ParisTech, spring 2011-present.
		Information visualization for scientific visualization Scientific visualization, graduate program. University of Utah, fall 2009.
		Introduction to volume rendering Scientific visualization, graduate program. University of Utah, fall 2009.
		Delaunay complexes Computational topology, graduate program. University of Utah, spring 2009.
		Persistent homology Computational topology, graduate program. University of Utah, spring 2009.
		Introduction to OpenGL (in French) Computer graphics, master program. Telecom Lille 1, fall 2007.
		Introduction to VRML (in French) Computer graphics, master program. Telecom Lille 1, fall 2007.
		Introduction to video processing (in French) Image processing, master program. Telecom Lille 1, fall 2005. Exercise package