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Morphic Topology Math Catalog

Mathematical Equations from Internet Scan

Date: 2026-04-26T19:30:00 Purpose: Catalog of mathematical equations relevant to morphic topology system from internet sources


Neural Coding Equations

Rate Coding

Spike-Count Rate (Temporal Average):

r = N_spikes / T

Where:

  • r = firing rate
  • N_spikes = number of spikes in time window
  • T = duration of time window (typically 100ms or 500ms)

Reference: Neural coding - Wikipedia

Temporal Coding

Binary Spike Representation:

spike_train(t) = Σ_i δ(t - t_i)

Where:

  • δ(t - t_i) = Dirac delta function at spike time t_i
  • t_i = time of i-th spike

Temporal Code Example:

  • Sequence 000111000111 ≠ 001100110011 (same mean rate, different temporal pattern)

Reference: Neural coding - Wikipedia

Population Coding

Population Vector Coding:

v = Σ_i r_i v_i

Where:

  • v = population vector (direction of motion)
  • r_i = firing rate of neuron i
  • v_i = preferred direction vector of neuron i

Maximum Likelihood Reconstruction: [BEAUTIFUL_PROVISIONAL - Standard statistical method; applicability to morphic topology system requires verification evidence]

P(s|r) ∝ Π_i P(r_i|s)

Where:

  • s = stimulus
  • r = population response vector
  • r_i = response of neuron i

Reference: Neural coding - Wikipedia


Synaptic Plasticity Equations

Spike-Timing Dependent Plasticity (STDP)

Weight Change Equation:

Δw_j = Σ_f=1^N Σ_n=1^N W(t_i^n - t_j^f)

Where:

  • Δw_j = weight change of synapse j
  • t_j^f = presynaptic spike arrival times at synapse j
  • t_i^n = postsynaptic firing times
  • W(x) = STDP function (learning window)

STDP Function (Exponential):

W(x) = A_+ exp(-x/τ_+) for x > 0
W(x) = -A_- exp(x/τ_-) for x < 0

Where:

  • A_+ = potentiation amplitude
  • A_- = depression amplitude
  • τ_+ = potentiation time constant (~10ms)
  • τ_- = depression time constant (~10ms)

Reference: Scholarpedia - Spike-timing dependent plasticity

Hebbian Learning

Basic Hebbian Rule:

Δw_ij = η x_i x_j

Where:

  • Δw_ij = weight change from neuron j to neuron i
  • η = learning rate
  • x_i = activation of neuron i
  • x_j = activation of neuron j

Average Over Training Patterns:

w_ij = (1/p) Σ_k x_i^k x_j^k

Where:

  • p = number of training patterns
  • x_i^k = k-th input for neuron i
  • x_j^k = k-th input for neuron j

Reference: Hebbian theory - Wikipedia


Signal Processing Equations

Fourier Transform

Forward Fourier Transform:

f̂(ξ) = ∫_{-∞}^∞ f(x) e^{-i2πξx} dx

Where:

  • f̂(ξ) = Fourier transform of f(x)
  • f(x) = original function
  • ξ = frequency variable

Inverse Fourier Transform:

f(x) = ∫_{-∞}^∞ f̂(ξ) e^{i2πξx} dξ

Reference: Fourier transform - Wikipedia

Convolution Theorem

Convolution in Time Domain:

h(x) = (f * g)(x) = ∫_{-∞}^∞ f(y) g(x - y) dy

Multiplication in Frequency Domain:

ĥ(ξ) = f̂(ξ) ĝ(ξ)

Where:

  • h = convolution of f and g
  • ĥ = Fourier transform of h
  • f̂ = Fourier transform of f
  • ĝ = Fourier transform of g

Reference: Fourier transform - Wikipedia

Cross-Correlation Theorem

Cross-Correlation:

h(x) = (f ⋆ g)(x) = ∫_{-∞}^∞ f(y)̄ g(x + y) dy

Cross-Correlation in Frequency Domain:

ĥ(ξ) = f̂(ξ)̄ ĝ(ξ)

Autocorrelation:

h(x) = (f ⋆ f)(x) = ∫_{-∞}^∞ f(y)̄ f(x + y) dy
ĥ(ξ) = |f̂(ξ)|²

Reference: Fourier transform - Wikipedia


Information Theory Equations

Shannon Entropy

Entropy Definition:

H(X) = -Σ_x p(x) log_b p(x)

Where:

  • H(X) = entropy of random variable X
  • p(x) = probability mass function
  • b = base of logarithm (2 for bits, e for nats, 10 for bans)

Expected Value Form:

H(X) = E[I(X)] = E[-log p(X)]

Where:

  • I(X) = information content of X
  • E = expected value operator

Conditional Entropy:

H(X|Y) = -Σ_{x,y} p_{X,Y}(x,y) log(p_{X,Y}(x,y)/p_Y(y))

Where:

  • p_{X,Y}(x,y) = joint probability P[X=x, Y=y]
  • p_Y(y) = marginal probability P[Y=y]

Reference: Entropy (information theory) - Wikipedia


Graph Theory Equations

Laplacian Matrix

Definition for Simple Graph:

L = D - A

Where:

  • L = Laplacian matrix
  • D = degree matrix (diagonal matrix of vertex degrees)
  • A = adjacency matrix

Normalized Laplacian (for k-regular graph):

 = (1/k)L = I - (1/k)A

Where:

  • = normalized Laplacian
  • I = identity matrix
  • k = degree of regular graph

Eigenvalue Properties:

  • L is symmetric and positive-semidefinite
  • λ₀ = 0 (smallest eigenvalue)
  • λ₁ = algebraic connectivity (Fiedler value)
  • Number of connected components = multiplicity of 0 eigenvalue

Reference: Laplacian matrix - Wikipedia


Dynamical Systems Equations

Attractor Definition

Forward Invariance:

if a ∈ A, then f(t,a) ∈ A for all t > 0

Where:

  • A = attractor subset of phase space
  • f(t,a) = evolution function
  • a = point in phase space

Basin of Attraction:

B(A) = {b : lim_{t→∞} f(t,b) ∈ A}

Where:

  • B(A) = basin of attraction for A
  • b = point in phase space

Reference: Attractor - Wikipedia


Quantum-Inspired Equations

Wave Function Superposition

Superposition State:

|ψ⟩ = Σ_i a_i |φ_i⟩

Where:

  • |ψ⟩ = quantum state
  • a_i = complex amplitude
  • |φ_i⟩ = basis state

Normalization:

Σ_i |a_i|² = 1

Wave Function Collapse (Measurement):

|ψ⟩ → |φ_k⟩ with probability |a_k|²

Reference: Wave function collapse - Wikipedia


Topology Equations

Tangent Space

Definition: The tangent space T_pM at point p on manifold M is the space of all tangent vectors at p.

Properties:

  • T_pM is a vector space of dimension n (where n = dimension of M)
  • Tangent vectors act as directional derivatives
  • Basis: ∂/∂x_i|_p for local coordinates x_i

Reference: Tangent space - Wikipedia


Differential Geometry Equations

Curvature

Scalar Curvature:

R = g^{ij}R_{ij}

Where:

  • R = scalar curvature
  • g^{ij} = inverse metric tensor
  • R_{ij} = Ricci curvature tensor

Riemann Curvature Tensor:

R^i_{jkl} = ∂_kΓ^i_{jl} - ∂_lΓ^i_{jk} + Γ^i_{km}Γ^m_{jl} - Γ^i_{lm}Γ^m_{jk}

Where:

  • R^i_{jkl} = Riemann curvature tensor
  • Γ^i_{jk} = Christoffel symbols

Reference: Manifold Diffusion Geometry (arXiv:2411.04100)


Integration with Morphic Topology System

Morphic Scalar Superposition (Quantum-Inspired)

Scalar(t) = Σ_i a_i |profile_i⟩

Where:

  • Scalar(t) = morphic scalar at time t
  • a_i = amplitude for profile i
  • |profile_i⟩ = computational profile (|neural⟩, |signal⟩, etc.)

Measurement (Collapse)

Measure(Scalar, Niche) → |profile_k⟩

Amplitude Update (Learned Superposition)

a_i(new) = a_i(old) + Δa_i

Where:

  • Δa_i = amplitude update based on success/failure
  • Successful route: increase amplitude
  • Failed route: decrease amplitude or scar

OEPI (Operator Escalation Percentage Index)

OEPI = 0.25 × uncertainty + 0.25 × impact + 0.20 × time_sensitivity + 0.15 × irreversibility + 0.15 × live_voltage_risk

Sources

  1. Neural coding - Wikipedia: https://en.wikipedia.org/wiki/Neural_coding
  2. Spike-timing dependent plasticity - Scholarpedia: http://www.scholarpedia.org/article/Spike-timing_dependent_plasticity
  3. Hebbian theory - Wikipedia: https://en.wikipedia.org/wiki/Hebbian_theory
  4. Fourier transform - Wikipedia: https://en.wikipedia.org/wiki/Fourier_transform
  5. Entropy (information theory) - Wikipedia: https://en.wikipedia.org/wiki/Entropy_(information_theory)
  6. Laplacian matrix - Wikipedia: https://en.wikipedia.org/wiki/Laplacian_matrix
  7. Attractor - Wikipedia: https://en.wikipedia.org/wiki/Attractor
  8. Tangent space - Wikipedia: https://en.wikipedia.org/wiki/Tangent_space
  9. Wave function collapse - Wikipedia: https://en.wikipedia.org/wiki/Wave_function_collapse
  10. Manifold Diffusion Geometry - arXiv:2411.04100

Status

Math Scan Complete: 2026-04-26T19:30:00 Equations Cataloged: 25+ equations across 8 mathematical domains Integration Status: Pending integration into implementation guide