AI & ML
The Exact Dihedral Angle Sum Range for Circumcentral-Cevian Jaw Tetrahedra
arXiv cs.NA0 views
arXiv:2610.33783v1 Announce Type: new Abstract: Hajja, Hammoudeh, Hayajneh and Martini showed that a tetrahedron whose cevians to the circumcenters of the opposite faces are concurrent is either a kite or a special jaw. We determine the exact dihedral-angle-sum range on the jaw component. The lower endpoint is attained only by the regular tetrahedron, while the upper endpoint is approached only in the degenerate limit. The proof reduces the family to one scale-invariant parameter and an explicit monotonicity argument.
Source：https://arxiv.org/abs/2610.33783PreviousOn the stability of second-order methods for DDEs and PDDEsNextAn optimization-based property-preserving limiter for two-phase flow in porous media on non-matching meshes
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