Manuscript I-B-G@2 · I-B-G-v2.tex · section · 3b4d700f

Extension status

Status, exclusions, and remaining problems › Extension status · lines 2359–2447

{}1.12

Restricted extension	Nonnegativity of $B$	Kernel representation	Spatial propagation
Restricted extension	Nonnegativity of $B$	Kernel representation	Spatial propagation
Friedrichs, any $β$	Always	Theorem thm:closed	Theorem thm:speed
$L_{L}$ , $ν = 0$	Exactly when $m \geq κ_{L}$	Temporal inverses exist; closed conical wave formula not derived here	Open here
$E_{0}$ , $0 < ν < 1$	Always	Proposition prop:E0	Finite speed from its correction support
$E_{λ}$ , $0 < λ < \infty$	Always	Temporal inverses exist; closed conical wave formula not derived here	Open here
$E_{λ}$ , $λ < 0$	Exactly when the mass dominates every transverse $κ_{j}$	Temporal inverses exist; closed conical wave formula not derived here	Open here
Non-diagonal transverse $U (2)$ , when $d_{β} = 2$	Not analysed here	Outside the rotation-diagonal restriction	Not analysed here
$k_{z}$ -dependent, non-product, or longitudinally nonlocal conditions	Not analysed here	Outside Assumption ass:product	Not analysed here