PIPages
Labs

Christos Mantoulidis

Rice University, TX·Mathematics & Statistics

Riemannian geometry studies shapes in any number of dimensions. Besides lengths and angles, two of its central ideas are minimal surfaces, which generalize straight lines to curved spaces (a soap film is a familiar example), and curvature, which measures how a shape bends.

Fields

Mathematics & Statistics

Physics

Topics

minimal surfaces

minimal hypersurfaces

Riemannian geometry

Grants
1 known grant, through May 2027

What they work on

  1. Investigate the structure of singularities, points where curvature blows up, in area-minimizing minimal surfaces and in mean curvature flow, where a surface evolves to reduce its area.
  2. Study enhanced rigidity properties of critical points in the van der Waals–Cahn–Hilliard theory of phase transitions in alloys, which behave like diffuse versions of minimal surfaces.
  3. Study the extreme behavior of quasi-local mass notions in general relativity through their interplay with scalar curvature (energy density) and minimal surfaces (black hole boundaries).

More about the research

This project studies problems about minimal surfaces and curvature that come from physics. Two sources are Einstein's general theory of relativity and the van der Waals–Cahn–Hilliard theory of phase transitions, which describes how mixed alloy materials separate into distinct regions.

Why it matters

This is pure mathematics. It aims to deepen understanding of how minimal surfaces can develop singularities and how rigid they are. It also connects that geometry to physical ideas: mass and black-hole boundaries in general relativity, and phase separation in alloy materials. These results could eventually inform the mathematical foundations of those physical theories.

Known grants

From NIH and NSF research grants. Labs often have other funding we can't see.

Singularity, Rigidity, and Extremality Phenomena in Minimal Hypersurfaces

NSF · Jun 2024 – May 2027

Closest labs

Jonathan Zhu

University of Washington, WA·Mathematics & Statistics·Early-career

Analyze singularities of mean curvature flow near cylindrical and conical models, testing uniqueness of blow-up limits when curvature is present in the interior or at the boundary.

Otis Chodosh

Stanford University, CA·Mathematics & Statistics

Study questions connected to stable minimal hypersurfaces, building on the four-dimensional proof that such surfaces are flat, with the goal of resolving the stable Bernstein problem in higher dimensions.

William Minicozzi

Massachusetts Institute of Technology, MA·Mathematics & Statistics

Establish gradient estimates and monotonicity formulas for harmonic functions and heat equation solutions, clarifying how they depend on dimension and how elliptic and parabolic behavior relate.

The school

Rice University: 24 labs on PI Pages, $278M a year on research, 267 research doctorates a year.

More about Rice University

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