@article{CRMATH_2023__361_G11_1699_0, author = {Michel Duprez and Vanessa Lleras and Alexei Lozinski and Killian Vuillemot}, title = {$\phi ${-FEM} for the heat equation: optimal convergence on unfitted meshes in space}, journal = {Comptes Rendus. Math\'ematique}, pages = {1699--1710}, publisher = {Acad\'emie des sciences, Paris}, volume = {361}, year = {2023}, doi = {10.5802/crmath.497}, language = {en}, }