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| Alternative names | Johnson–Mercier–Křížek |
| Degrees | \(k=1\) |
| Reference elements | triangle, tetrahedron |
| DOFs | On each facet: integral moments of normal-normal and normal-tangent inner products with an degree \(1\) Lagrange space On the interior of the reference element: integral moments of d(d+1)/2 components with an degree \(0\) Lagrange space |
| Number of DOFs | triangle: \(15\) tetrahedron: \(42\) |
| Mapping | double contravariant Piola |
| continuity | Inner products with normals to facets are continuous |
| Categories | Matrix-valued elements, Macro elements |
| Element added | 25 September 2024 |
| Element last updated | 27 September 2024 |