`ilg_alpha_is_alphaLock`

proved

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module: IndisputableMonolith.Gravity.CoerciveProjection
domain: Gravity
line: 139 · github
papers citing: none yet

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IndisputableMonolith.Gravity.CoerciveProjection on GitHub at line 139.

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depends on

alphaLock IndisputableMonolith.Constants

formal source

 136  exact Real.rpow_pos_of_pos phi_pos _
 137
 138/-- The ILG alpha exponent: alpha = (1 - 1/phi) / 2 = alphaLock. -/
 139theorem ilg_alpha_is_alphaLock : alphaLock = (1 - 1/phi) / 2 := rfl
 140
 141/-! ## Certificate -/
 142
 143structure CoerciveProjectionCert where
 144  coercivity_positive : (0 : ℚ) < c_coercive
 145  net_above_one : (1 : ℚ) < K_net
 146  operator_positive : ∀ w f : ℝ, 1 ≤ w → 0 ≤ w * f ^ 2
 147  prefactor_positive : 0 < C_ilg_prefactor
 148
 149theorem coercive_projection_cert : CoerciveProjectionCert where
 150  coercivity_positive := c_coercive_pos
 151  net_above_one := K_net_gt_one
 152  operator_positive := fun w f hw => energy_bounded_below w f hw (sq_nonneg f)
 153  prefactor_positive := C_ilg_prefactor_pos
 154
 155end
 156
 157end CoerciveProjection
 158end Gravity
 159end IndisputableMonolith

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