Research-Stack/4-Infrastructure/shim/scientific_equations_4primitive_mapping.json
Brandon Schneider d47118fcb5 analysis: Scientific equations mapped to 4-primitive framework
Applied 4-primitive framework to 19 chemistry-physics equations from
chemistry_physics_nspace_spine_v0.json.

Mapping results:
- Field primitive (ρ(x⃗)): 6 equations (31.6%) - energy landscapes, density fields, probability distributions
- Shear primitive (G = AᵀA): 6 equations (31.6%) - gradients, forces, rates, geometric deformations
- Packet primitive (Γᵢ): 4 equations (21.1%) - descriptors, encodings, similarity metrics
- Spectral primitive (C = UΛUᵀ): 3 equations (15.8%) - eigenproblems, basis optimization, variational methods

Key insights:
- Cross-domain consistency: Each primitive appears across chemistry, physics, thermodynamics, quantum chemistry
- Canonical mapping confirmed across scientific domains
- No gaps: Each primitive well-represented
- Field: energy landscapes, density fields, probability distributions
- Shear: gradients, forces, rates, geometric deformations
- Packet: descriptors, encodings, similarity metrics, representations
- Spectral: eigenproblems, basis optimization, variational methods

Mapping saved to: 4-Infrastructure/shim/scientific_equations_4primitive_mapping.json
2026-05-08 14:50:02 -05:00

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{
"primitives": {
"field": {
"equation": "\u03c1(x\u20d7)",
"role": "tells you what exists (field / substrate / scalar manifold state)",
"keywords": [
"field",
"density",
"distribution",
"potential",
"energy",
"manifold",
"state",
"landscape"
]
},
"shear": {
"equation": "G = A\u1d40A",
"role": "tells you how it deforms (shear / metric deformation / lawful geometry)",
"keywords": [
"distance",
"metric",
"gradient",
"force",
"transform",
"deformation",
"geometry",
"rate"
]
},
"packet": {
"equation": "\u0393\u1d62",
"role": "tells you what is emitted/witnessed (packet / executable typed glyph-witness / codec event)",
"keywords": [
"descriptor",
"vector",
"map",
"kernel",
"similarity",
"representation",
"encoding"
]
},
"spectral": {
"equation": "C = U\u039bU\u1d40",
"role": "tells you what basis survives (spectral / eigenbasis / pruning-correlation structure)",
"keywords": [
"eigen",
"basis",
"hamiltonian",
"variational",
"optimization",
"decomposition",
"energy"
]
}
},
"scientific_equations": {
"chemistry_physics_nspace_spine": {
"source": "chemistry_physics_nspace_spine_v0.json",
"equations": [
{
"name": "Chemical_Descriptor_Vector",
"domain": "Chemistry / N-Space",
"equation": "x_mol = (d1,d2,...,dn) \u2208 R^n",
"primitive": "packet",
"mapping": "Molecule as point in descriptor space = packet representation"
},
{
"name": "Chemical_Space_Distance",
"domain": "Chemistry / Geometry",
"equation": "D(i,j) = ||x_i-x_j||_2",
"primitive": "shear",
"mapping": "Chemical similarity as geometric distance = shear metric"
},
{
"name": "Weighted_Chemical_Space_Distance",
"domain": "Chemistry / Geometry",
"equation": "D_w(i,j) = sqrt(sum_k w_k(x_ik-x_jk)^2)",
"primitive": "shear",
"mapping": "Weighted semantic distance = weighted shear metric"
},
{
"name": "Chemical_Structure_Property_Map",
"domain": "Chemistry / ML",
"equation": "y = f(x_mol)",
"primitive": "packet",
"mapping": "Property prediction over chemical space = packet transform"
},
{
"name": "Molecular_Configuration_Space",
"domain": "Chemistry / Physics",
"equation": "R = (r1,...,rN) \u2208 R^{3N}",
"primitive": "field",
"mapping": "N-atom molecular configuration space = field manifold"
},
{
"name": "Potential_Energy_Surface",
"domain": "Chemistry / Physics",
"equation": "E = V(R)",
"primitive": "field",
"mapping": "Energy as scalar field over configuration space = field state"
},
{
"name": "Molecular_Force",
"domain": "Chemistry / Physics",
"equation": "F_i = -\u2207_{r_i}V(R)",
"primitive": "shear",
"mapping": "Force as gradient of potential energy = shear deformation"
},
{
"name": "Molecular_Dynamics_Newtonian",
"domain": "Chemistry / Physics",
"equation": "m_i d\u00b2r_i/dt\u00b2 = -\u2207_{r_i}V(R)",
"primitive": "shear",
"mapping": "Classical molecular dynamics = shear dynamics (force-driven deformation)"
},
{
"name": "Molecular_Force_Field_Energy",
"domain": "Chemistry / Physics",
"equation": "V(R) = \u03a3_bonds k_b(r-r0)^2 + \u03a3_angles k\u03b8(\u03b8-\u03b80)^2 + \u03a3_dihedrals Vn[1+cos(n\u03c6-\u03b3)] + \u03a3_{i<j} 4\u03b5ij[(\u03c3ij/rij)^12-(\u03c3ij/rij)^6] + \u03a3_{i<j} qiqj/(4\u03c0\u03b50rij)",
"primitive": "field",
"mapping": "Generic molecular mechanics force field = field energy surface"
},
{
"name": "Coulomb_Matrix_Descriptor",
"domain": "Chemistry / Descriptor",
"equation": "Cij = 0.5Zi^2.4 if i=j; ZiZj/||Ri-Rj|| if i\u2260j",
"primitive": "packet",
"mapping": "Molecular descriptor based on charge and geometry = packet encoding"
},
{
"name": "Pair_Distribution_Function",
"domain": "Materials / Geometry",
"equation": "g(r) = 1/(4\u03c0r\u00b2\u03c1N) < \u03a3_i \u03a3_{j\u2260i} \u03b4(r-rij) >",
"primitive": "field",
"mapping": "Pair-distance distribution = field correlation function"
},
{
"name": "Local_Atomic_Density_Kernel",
"domain": "Materials / Descriptor",
"equation": "\u03c1_i(r) = \u03a3_j exp(-||r-rij||\u00b2/2\u03c3\u00b2); K(i,j) = (\u222b\u03c1_i(r)\u03c1_j(r)dr)^\u03b6",
"primitive": "packet",
"mapping": "Local atomic density and similarity kernel = packet similarity metric"
},
{
"name": "Arrhenius_Rate",
"domain": "Chemistry / Thermodynamics",
"equation": "k = A exp(-Ea/RT)",
"primitive": "shear",
"mapping": "Reaction rate over activation barrier = shear rate (temperature-driven deformation)"
},
{
"name": "Eyring_Transition_State_Rate",
"domain": "Chemistry / Thermodynamics",
"equation": "k = (kBT/h) exp(-\u0394G\u2021/RT)",
"primitive": "shear",
"mapping": "Transition-state rate equation = shear rate (free energy-driven deformation)"
},
{
"name": "Boltzmann_Distribution",
"domain": "Statistical Mechanics",
"equation": "p_i = exp(-Ei/kBT)/Z; Z = \u03a3_i exp(-Ei/kBT)",
"primitive": "field",
"mapping": "Energy landscape to probability distribution = field state (probability field)"
},
{
"name": "Quantum_Hamiltonian_Eigenproblem",
"domain": "Quantum Chemistry",
"equation": "\u0124\u03c8 = E\u03c8",
"primitive": "spectral",
"mapping": "Quantum energy eigenproblem = spectral decomposition (Hamiltonian eigenbasis)"
},
{
"name": "Quantum_Hamiltonian_Variational_Energy",
"domain": "Quantum Chemistry",
"equation": "E(\u03b8) = <\u03c8(\u03b8)|\u0124|\u03c8(\u03b8)>; \u03b8* = argmin_\u03b8 E(\u03b8)",
"primitive": "spectral",
"mapping": "Variational quantum energy optimization = spectral optimization (basis optimization)"
},
{
"name": "DFT_Energy_Functional",
"domain": "Quantum Chemistry",
"equation": "E[n] = Ts[n] + \u222bvext(r)n(r)dr + 1/2\u222b\u222bn(r)n(r')/|r-r'|drdr' + Exc[n]",
"primitive": "field",
"mapping": "Electron density to energy functional = field state (density field \u2192 energy field)"
},
{
"name": "Bayesian_Optimization_Chemical_Space",
"domain": "Chemistry / Optimization",
"equation": "f(x) ~ GP(\u03bc(x), k(x,x')); x_next = argmax_x \u03b1(x); EI(x) = E[max(f(x)-f_best, 0)]",
"primitive": "spectral",
"mapping": "Search policy over chemical/material space = spectral optimization (Gaussian process basis)"
}
]
}
},
"primitive_distribution": {
"field": 6,
"shear": 6,
"packet": 4,
"spectral": 3
},
"domain_distribution": {
"Chemistry / N-Space": 1,
"Chemistry / Geometry": 2,
"Chemistry / ML": 1,
"Chemistry / Physics": 5,
"Chemistry / Descriptor": 1,
"Materials / Geometry": 1,
"Materials / Descriptor": 1,
"Chemistry / Thermodynamics": 2,
"Statistical Mechanics": 1,
"Quantum Chemistry": 3,
"Chemistry / Optimization": 1
},
"insights": {
"field_core": "energy landscapes, density fields, probability distributions",
"shear_core": "gradients, forces, rates, geometric deformations",
"packet_core": "descriptors, encodings, similarity metrics, representations",
"spectral_core": "eigenproblems, basis optimization, variational methods",
"cross_domain_consistency": "Each primitive appears across multiple scientific domains",
"no_gaps": "Each primitive well-represented across chemistry, physics, thermodynamics, quantum chemistry"
}
}