A surface that does not admit a length nonincreasing deformation is called metric-minimizing. We show that metric-minimizing surfaces in CAT(0) spaces are locally CAT(0) with respect to their length metrics.
Keywords: metric-minimizing surfaces, intrinsic metric
Petrunin, Anton 1 ; Stadler, Stephan 2
@article{10_2140_gt_2019_23_3111,
author = {Petrunin, Anton and Stadler, Stephan},
title = {Metric-minimizing surfaces revisited},
journal = {Geometry & topology},
pages = {3111--3139},
year = {2019},
volume = {23},
number = {6},
doi = {10.2140/gt.2019.23.3111},
url = {http://geodesic.mathdoc.fr/articles/10.2140/gt.2019.23.3111/}
}
Petrunin, Anton; Stadler, Stephan. Metric-minimizing surfaces revisited. Geometry & topology, Tome 23 (2019) no. 6, pp. 3111-3139. doi: 10.2140/gt.2019.23.3111
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