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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):
ℒ = (1/k)L = I - (1/k)A
Where:
- ℒ = 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
- Neural coding - Wikipedia: https://en.wikipedia.org/wiki/Neural_coding
- Spike-timing dependent plasticity - Scholarpedia: http://www.scholarpedia.org/article/Spike-timing_dependent_plasticity
- Hebbian theory - Wikipedia: https://en.wikipedia.org/wiki/Hebbian_theory
- Fourier transform - Wikipedia: https://en.wikipedia.org/wiki/Fourier_transform
- Entropy (information theory) - Wikipedia: https://en.wikipedia.org/wiki/Entropy_(information_theory)
- Laplacian matrix - Wikipedia: https://en.wikipedia.org/wiki/Laplacian_matrix
- Attractor - Wikipedia: https://en.wikipedia.org/wiki/Attractor
- Tangent space - Wikipedia: https://en.wikipedia.org/wiki/Tangent_space
- Wave function collapse - Wikipedia: https://en.wikipedia.org/wiki/Wave_function_collapse
- 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