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Ut=Et=0U_t=E_t=0. Let pp be the complete carrier translation covector, whose physical momentum is −p-p. Allow every finite-kinetic-energy scalar velocity WtW_t and laboratory vector velocity V=ZtV=Z_t. The two isotropic translation Grams are

GW=gWI,GZ=gZI,gW=Qωfloor159,gZgW=1544,gtot=59Qωfloor6996. G_W=g_WI,\quad G_Z=g_ZI,\qquad g_W=\frac{Q\omega_{\rm floor}}{159},\quad \frac{g_Z}{g_W}=\frac{15}{44},\quad g_{\rm tot}=\frac{59Q\omega_{\rm floor}}{6996}.

These follow from the exact ordinary-R10\mathbb R^{10} integrals ∫(∂1W)2=π5L8/1890\int(\partial_1W)^2=\pi^5L^8/1890 and ∫∑j(∂1Zj)2=π5L8/5544\int\sum_j(\partial_1Z_j)^2=\pi^5L^8/5544, multiplied by MW=MZ=npeakL2ωfloor/212M_W=M_Z=n_{\rm peak}L^2\omega_{\rm floor}/212. Orthogonal projection in the supporting kinetic norm gives

Wt=−pgtot⋅∇W,Vj=−pgtot⋅∇Zj,Erec,min=∣p∣22gtot. W_t=-\frac p{g_{\rm tot}}\cdot\nabla W,\qquad V_j=-\frac p{g_{\rm tot}}\cdot\nabla Z_j,\qquad E_{\rm rec,min}=\frac{|p|^2}{2g_{\rm tot}}.

Every other admissible velocity adds half its squared orthogonal kinetic norm. This is the exact minimum over these W/ZW/Z velocities, with a cost 44/5944/59 of scalar recoil. It is not a minimum over carrier/frame/flow velocities, positions or all fields, and is not a boost-derived inertia.

For a physical antisymmetric rotation AA, radial WW and Z=xh(R)Z=xh(R) obey (Ax)⋅∇W=0(Ax)\cdot\nabla W=0 and (Ax)⋅∇Z=AZ(Ax)\cdot\nabla Z=AZ. Thus ∫MZV⋅[AZ−(Ax)⋅∇Z]=0\int M_ZV\cdot[AZ-(Ax)\cdot\nabla Z]=0 pointwise. Intrinsic and orbital vector terms may each be nonzero and cancel. In material variables z=ETZz=E^TZ, the induced frame covector MZV⋅(δE)zM_ZV\cdot(\delta E)z is essential, including at Et=0E_t=0. These velocities preserve zero carrier angular momentum but cannot repair a nonzero one at fixed radial positions.

For a compact radial cutoff, define gAj=MA∫χj∣∇A∣2/10g_{Aj}=M_A\int\chi^j|\nabla A|^2/10 for A=W,ZA=W,Z and j=1,2j=1,2, with the vector derivative norm summed over its components. In the stated family Wt=χvW⋅∇WW_t=\chi v_W\cdot\nabla W, V=χ(vZ⋅∇)ZV=\chi(v_Z\cdot\nabla)Z, the exact result is

gχ=gW12gW2+gZ12gZ2,vA=−gA1gA2pgχ,Erec,χ=∣p∣22gχ,gχ≤gtot. g_\chi=\frac{g_{W1}^2}{g_{W2}}+\frac{g_{Z1}^2}{g_{Z2}},\qquad v_A=-\frac{g_{A1}}{g_{A2}}\frac p{g_\chi},\qquad E_{\rm rec,\chi}=\frac{|p|^2}{2g_\chi},\quad g_\chi\le g_{\rm tot}.

Separate coefficients are needed; a common velocity coefficient is generally suboptimal. For nonzero pp this improves the scalar-core family. Existing phase restoration remains unchanged. A genuine frame rotation F=χF0F=\chi F_0 can separately cancel carrier angular covector B0B_0, with (F0)ab=−(B0)ab/(κFQ1)(F_0)_{ab}=-(B_0)_{ab}/(\kappa_FQ_1) and zt=ETV−Fzz_t=E^TV-Fz. Its extra energy is Q2∑a<b(B0)ab2/(2κFQ12)Q_2\sum_{a<b}(B_0)_{ab}^2/(2\kappa_FQ_1^2); no additional vector/frame cross energy remains in laboratory velocities.

For the preceding whole-space common-phase endpoint, replace only C=159/ωfloorC=159/\omega_{\rm floor} by Ctot=6996/(59ωfloor)C_{\rm tot}=6996/(59\omega_{\rm floor}). Its convex minimization, bounds and conditional threshold retain their form. The optimized cost strictly decreases when the nonzero charge offset is fixed. Positive phase edges and NL>0N_L>0 are still required for that endpoint. Compact high-core compensation retains both symmetry branches. The amended complete-support-recoil/report.md and independent 340-check review establish these initial-jet results; they do not establish evolution or new physical particle properties.

Density Concentration And A Convex-Envelope Bound

In the fixed radial family, vary only the entropy coefficient to b=τb0b=\tau b_0, holding H,CH,C and the associated κ\kappa branch fixed.

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