Encyclopedia/All topics/Gravity
Gravity
Articles 1,141–1,200 of 1,755. Alphabetical by title.
Gravity Nonlinear Regge Proof
A machine-checked proof certifies which gravity regimes are covered, and it stops exactly where the black hole interior begins.
Gravity Nonlinear Regge Proof Convergence Regime
A classification of gravitational field strengths that shows which regimes are proven and which remain open.
Gravity Nonlinear Regge Proof Linearized Implies Weak
A small formal theorem certifies that if a lattice handles tiny metric ripples, it also handles slightly larger ones, but the strong-field interior of a black hole remains out of r
Gravity Nonlinear Regge Proof Nonlinear Regge Cert
A machine-checked certificate records which regimes of Regge calculus convergence are proven and which remain open.
Gravity Nonlinear Regge Proof Nonlinear Regge Cert Exists
A machine-checked certificate proves that the framework's lattice meets the conditions for a known convergence theorem, but it does not prove the convergence itself.
Gravity Nonlinear Regge Proof Observational Regime Covered
A machine-checked proof certifies that the framework's gravity approximation covers every regime astronomers have observed, and stops exactly where the black hole interior beg
Gravity Nonlinear Regge Proof Phi Lattice Regularity
A discrete grid with all edges equal to phi squared times 1.47 satisfies the regularity conditions a convergence theorem demands, but does not by itself prove that convergence.
Gravity Null Cone Quadratic Tensor Class
A theorem in linear algebra says that light-like directions alone can pin down a symmetric stress tensor up to a single ambiguity, a result the Recognition Science framework uses a
Gravity Null Cone Quadratic Tensor Class All Null Quad Eq Of Future Nonzero Null
A theorem in the framework's library shows that knowing a symmetric matrix's values on lightlike directions is enough to pin it down, up to a single scalar.
Gravity Null Cone Quadratic Tensor Class Determines Algebraic Null Quadratic Cla
The values of a symmetric quadratic form on all lightlike directions determine the form itself, up to a single scalar multiple of the Minkowski metric.
Gravity Null Cone Quadratic Tensor Class Diff Scalar Eta Implies Null Quadratic
A 4x4 matrix is almost entirely pinned down by how it behaves on lightlike directions; this theorem says the only freedom left is a single scalar.
Gravity Null Cone Quadratic Tensor Class Fixed Symmetric Stress Determines Algeb
A symmetric stress tensor is fully determined, up to a single scalar ambiguity, by its values on lightlike directions.
Gravity Null Cone Quadratic Tensor Class Future Null Quadratic Eq Implies Diff S
A theorem about 4x4 matrices says that knowing a symmetric matrix's values on lightlike vectors forces the result, up to one unavoidable ambiguity.
Gravity Null Cone Quadratic Tensor Class Null Quadratic Eq Iff Symmetrize Diff S
A quadratic form's values on lightlike directions determine the symmetric matrix that produced them, up to a single scalar multiple of the Minkowski metric.
Gravity Null Cone Quadratic Tensor Class Symmetric Null Zero Eq Scalar Eta Compo
A symmetric matrix that vanishes on every lightlike direction must be a multiple of the Minkowski metric itself.
Gravity Page Curve Dynamical
A black hole's entropy curve, once drawn by hand, now follows from a single principle about how quantum states share information.
Gravity Page Curve Dynamical Operator Level Page Process Structural Prop Holds
A black hole's information loss paradox may have a ledger-based resolution, and a machine-checked proof now certifies the core structural step.
Gravity Page Curve Dynamical Page Curve Derived From Recognition Ticks Prop Hold
The triangular Page curve of black hole evaporation, once assumed by hand, is now derived from a single principle about how information moves.
Gravity Page Curve Dynamical Page Curve From Ledger Ticks At Page Fraction
A black hole's entropy curve, once drawn by hand, now emerges from a single principle of quantum information.
Gravity Page Curve Dynamical Page Curve From Ledger Ticks Eq Page Curve From Uni
Two different ways of tracking a black hole's information loss, one in discrete steps and one in continuous time, are shown to produce the same triangular curve.
Gravity Page Curve Dynamical Page Curve From Unitarity Anti Mono Phase2
A black hole's entropy curve, long assumed by hand, is derived from one substrate principle in a machine-checked library.
Gravity Page Curve Dynamical Radiation Capacity From Ticks Eq Radiation Capacity
A black hole's radiation capacity can be counted in discrete ticks, and the declaration proves this count matches the continuous formula.
Gravity Page Curve Dynamical Recognition Tick Capacity Transfer Prop Holds
A machine-checked derivation shows a black hole's information curve is not assumed but forced by two simple principles of capacity transfer.
Gravity Page Curve Nontrivial
A black hole's radiation entropy should rise, peak, and fall; a new machine-checked proof shows this shape is forced, for any evaporation time.
Gravity Page Curve Nontrivial Nontrivial Page Curve Cert Inhabited
A black hole's information puzzle gets a concrete model where the entropy curve genuinely rises, peaks, and falls, not a flat placeholder.
Gravity Page Curve Nontrivial Nontrivial Page Curve One Statement
A black hole's information curve should rise, peak, and fall; a new theorem proves such a curve exists in the framework's ledger model.
Gravity Page Curve Nontrivial Nontrivial Page Curve Prop Holds
A machine-checked proof now shows a black hole's radiation entropy can rise, peak, and fall, not just sit at zero.
Gravity Page Curve Nontrivial Nontrivial Readout Full
A machine-checked theorem proves that a model black hole's radiation entropy starts at zero, peaks at half its maximum, and returns to zero at full evaporation.
Gravity Page Curve Nontrivial Nontrivial Readout Peak
A theorem about black hole information shows the radiation entropy curve peaks exactly at the halfway point of evaporation, and the proof is machine-checked.
Gravity Page Curve Nontrivial Nontrivial Readout Zero
A black hole's radiation entropy starts at zero, and a machine-checked proof now shows why that starting point is not a trivial choice.
Gravity Page Curve Nontrivial Page Curve Anti Fall
A machine-checked theorem proves that the entropy of a model black hole must fall back to zero after its halfway point, closing a gap in the framework's evaporation story.
Gravity Page Curve Nontrivial Page Curve Mono Rise
A black hole's radiation entropy climbs steadily until half the hole has evaporated, a monotonic rise that a machine-checked proof now guarantees for any positive tick budget.
Gravity Page Curve Operator Entropy
A black hole's radiation entropy follows a triangular curve, and Recognition Science shows this curve can be derived from the state itself rather than assumed.
Gravity Page Curve Operator Entropy Operator Derived Page Curve Prop Holds
A machine-checked proof shows that a black hole's radiation entropy, when it saturates a quantum information bound, must trace the famous Page curve.
Gravity Page Curve Operator Entropy Operator Page Curve One Statement
A theorem in the Recognition Science library proves that a black hole's radiation entropy, when derived from the state rather than assumed, must trace the triangular Page curv
Gravity Page Curve Operator Entropy Page Curve Operator Entropy Cert Inhabited
A machine-checked proof shows that a black hole's entropy curve can be derived from its quantum state, not assumed.
Gravity Page Curve Operator Entropy Schmidt Capacity Bound At Page Fraction
The Schmidt capacity bound, a ceiling on radiation entropy, reaches exactly half its maximum at the midpoint of evaporation, a fact the framework proves from its own ledger model.
Gravity Page Curve Operator Entropy Schmidt Saturated Entropy Eq Page Curve
A machine-checked theorem shows that when a black hole's radiation entropy saturates its Schmidt bound, the entropy follows the Page curve, with no extra assumption needed.
Gravity Page Curve Operator Entropy Schmidt Saturated Entropy Peak
A theorem about black hole evaporation shows that when radiation entropy saturates its quantum limit, it peaks at exactly half the initial black hole entropy.
Gravity Page Curve Operator Entropy Schmidt Saturated Process Inhabited
A machine-checked proof shows a toy model of black hole evaporation can exist where all entropy is derived from the quantum state, not assumed.
Gravity Page Curve Structural
A triangular curve that maps how a black hole's radiation entropy rises, peaks, and falls to zero, now locked in as a formal theorem.
Gravity Page Curve Structural Page Curve Derived Structural Prop Holds
A theorem about black hole information sets the shape a full derivation must reproduce, without yet deriving it from deeper physics.
Gravity Page Curve Structural Page Curve Structural Cert Inhabited
A machine-checked theorem certifies the triangular shape of a black hole's radiation entropy curve, without deriving it from first principles.
Gravity Page Curve Structural Triangle Page Curve At Peak
A single theorem pins down the high point of a black hole's radiation entropy curve, but only as a shape, not as a physical derivation.
Gravity Page Curve Structural Triangle Page Curve At Zero
A black hole's radiation entropy begins at zero, a fact so plain it seems trivial, yet the Recognition Science library proves it as a formal theorem.
Gravity Page Curve Structural Triangle Page Curve Neg Zero
A black hole's radiation entropy is zero before the hole begins to evaporate, a formal theorem in the framework's machine-checked library.
Gravity Page Curve Structural Triangle Page Curve Phase1 Monotone
A theorem about a triangle-shaped curve pins down the early growth of entropy in a model of black hole evaporation, and says nothing about the physics that produces it.
Gravity Page Curve Structural Triangle Page Curve Phase2 Anti Monotone
After a black hole passes its midpoint, the entropy of its radiation falls back to zero: a theorem about a triangle's slope, not yet a derivation from physics.
Gravity Parameterization Bridge
A set of exact algebraic identities connects how gravity models are written in acceleration space to how they are written in time space, with no approximation.
Gravity Parameterization Bridge Accel
A short definition that turns circular motion into a bridge between two ways of writing gravity, and the exact algebra that holds them together.
Gravity Parameterization Bridge Accel Mul Tdyn Sq
For circular motion, acceleration times the square of the orbital period always equals a fixed multiple of the radius, a fact the framework's machine-checked library proves.
Gravity Parameterization Bridge Accel Power Eq Time Power At R Eq R0
At one special radius, acceleration and time exponents in gravity models are the same quantity written two ways.
Gravity Parameterization Bridge Accel Ratio Eq Time Ratio Sq Mul R0 Over R
A theorem in the framework's library rewrites the ratio of two accelerations as a squared ratio of two times, a purely algebraic identity about circular motion.
Gravity Parameterization Bridge Tdyn
A single formula connects how fast an orbit accelerates to how long it takes to go around, and a machine-checked library proves the link exactly.
Gravity Parameterization Bridge Time Power Eq Accel Power At R Eq R0
A proved identity that lets physicists rewrite a time-based scaling law as an acceleration-based one, at one special radius.
Gravity Parameterization Bridge Time Ratio Sq Eq Accel Ratio Mul R Ratio
A single algebraic identity shows that for circular motion, the square of the time ratio equals the acceleration ratio times the radius ratio, linking two ways of describing gravit
Gravity Path Sum Uvbound
A machine-checked argument shows why a discrete sum over spacetime geometries avoids the infinities that plague the continuous theory.
Gravity Path Sum Uvbound Path Sum Uvbound Cert Inhabited
A machine-checked proof shows that a discrete sum over spacetime triangulations stays finite, avoiding the ultraviolet infinities of continuum gravity.
Gravity Path Sum Uvbound Recognition Dominates Regge
A machine-checked inequality shows that one discrete model of gravity suppresses sharp corners more aggressively than the standard Regge approach, a step toward a finite path sum.
Gravity Path Sum Uvbound Sinh Dominates Linear
A simple inequality about the sinh function is the load-bearing step in a proposed proof that a discrete model of gravity avoids the infinities of the continuum theory.