Home / Math / Simulation Architecture


Overview

This section articulates the computational and conceptual architecture for simulating Recurgent Field Theory (RFT) on discrete semantic manifolds. The simulation framework translates the continuous mathematics of RFT into a form suitable for in silico exploration of semantic dynamics, attractor evolution, and epistemic health.

Key architectural elements:

  1. Discretization of Semantic Space — mapping the continuous manifold $\mathcal{M}$ to a graph $G = (V, E)$, with nodes as semantic states and edges as adjacency or transformation potentials.
  2. Time-Stepped Recursive Updates — iterative evolution of coherence, recursive depth, semantic mass, and related fields at each node, governed by local and nonlocal coupling.
  3. Field and Metric Tracking — monitoring the evolution of core quantities: $C(p, t)$, $D(p, t)$, $M(p, t)$, $W(p, t)$, $g_{ij}(p, t)$, and others.
  4. Boundary and Initial Conditions — specification of seed states, metric structure, and coupling tensors to support simulation stability and interpretability.
  5. Visualization Standards — consistent rendering of fields, flows, and attractor basins to facilitate interpretability and cross-experiment comparability.
  6. Experimental Use Cases — protocols for probing coherence propagation, attractor migration, constraint relaxation, recursive perturbation, and wisdom tuning.
  7. Epistemic Engine — the simulation as a substrate for artificial sensemaking, agent self-modification, and the emergence of generative recursion.

This architecture forms a principled bridge between the abstract formalism of RFT and concrete computational experiments, supporting both theoretical exploration and practical implementation of semantic dynamics.


10.1 Objective

To render RFT to computational analysis, the simulation architecture must satisfy the following formal requirements:

  1. Discretization: Map the continuous semantic manifold $\mathcal{M}$ to a discrete substrate.
  2. Recursive Temporal Evolution: Implement time-stepped update rules reflecting the field equations of RFT.
  3. Field and Metric Monitoring: Track the evolution of all primary and emergent fields, as well as relevant geometric and coupling tensors, across discrete iterations.
  4. Experimental Accessibility: Permit controlled perturbation, visualization, and attractor analysis within the simulated manifold.

10.2 Discretization of the Semantic Manifold

Let the semantic manifold $\mathcal{M}$ be represented as a finite or countable graph:

[ G = (V, E) ]

where

  • $V$ denotes the set of nodes, each corresponding to a semantic state (e.g., concept, proposition, schema),
  • $E$ denotes the set of edges, encoding adjacency relations or transformation potentials.

Each node $p \in V$ is endowed with the following local fields and structures:

  • Coherence field: $C(p, t)$,
  • Recursive depth: $D(p, t)$,
  • Constraint density: $\rho(p, t)$,
  • Semantic mass: $M(p, t)$,
  • Wisdom field: $W(p, t)$,
  • Autopoietic potential: $\Phi(C(p, t))$,
  • Local metric tensor: $g_{ij}(p, t)$.

The topology of $G$ may be:

  • Static (e.g., regular lattice, ring, or fixed network) for baseline analyses,
  • Dynamical (e.g., subject to rewiring, node/edge addition or deletion) to model attractor migration, bifurcation, or topological phase transitions.

10.3 Discrete Temporal Evolution

At each discrete time step $t \mapsto t+1$, the state of each node $p \in V$ is updated according to the recursive field dynamics:

[ C_p^{t+1} = f\left({C_q^t}{q \sim p}, R{ijk}^t, D_p^t, A_p^t, \Phi(C_p^t), \mathcal{H}[R^t], W_p^t\right) ]

where

  • $f(\cdot)$ is the recursive coherence update operator, derived from the RFT field equations,
  • $q \sim p$ denotes all nodes adjacent to $p$ in $G$,
  • The update incorporates both local field gradients and nonlocal recursive couplings.

10.3.1 Specification of Initial and Boundary Conditions

To maintain well-posedness and interpretability, the following conditions are imposed:

  • Initial Conditions:
    • Coherence: $C(p, 0) = C_0 \exp\left(-\frac{d(p, p_0)^2}{\sigma^2}\right)$, for a designated seed $p_0$,
    • Metric: $g_{ij}(p, 0) = \delta_{ij}$ (Euclidean baseline),
    • Recursive coupling: $R_{ijk}(p, q, 0) = \epsilon\, \delta_{ij}\, \delta(p-q)$ (minimal self-coupling).
  • Boundary Conditions:
    • For finite $G$: Reflective—recursive influence at the boundary is reflected with damping factor $\gamma$,
    • For unbounded $G$: Decay—$\lim_{d(p, p_0) \to \infty} C(p, t) = 0$.

10.3.2 Update Constraints and Conservation Laws

  • Timestep Constraint: The discrete timestep $\Delta t$ must satisfy a stability condition analogous to the Courant–Friedrichs–Lewy (CFL) criterion: [ \Delta t \leq \frac{1}{2} \min_p \left{ |\nabla C(p, t)|^{-1} \right} ]
  • Conservation Monitoring: The total semantic mass, [ \int_{\mathcal{M}} M(p, t)\, dV_p, ] should remain invariant except in the presence of autopoietic generation.

The simulation thus models:

  • Diffusive propagation of coherence,
  • Transmission of recursive coupling,
  • Attractor basin dynamics,
  • Modulation by humility and wisdom fields.

10.4 Nodewise Field Inventory

For each $p \in V$, the following quantities are tracked:

Field Symbol Interpretation
Coherence $C(p, t)$ Local semantic self-consistency
Recursive Depth $D(p, t)$ Depth of recursive structure at $p$
Semantic Mass $M(p, t)$ Inertia against semantic transformation
Autopoietic Field $\Phi(C(p, t))$ Generative potential for recurgent fertility
Wisdom $W(p, t)$ Emergent regulatory field
Gradient Norm $|\nabla C(p, t)|$ Rigidity of local coherence
Attractor Pull $F_i(p, t)$ Directional flow toward semantic attractors
Recursive Stress $T_{ij}^{\text{rec}}$ Local recursive stress-energy tensor

10.5 Update Loop

for t in range(T_max):
    for p in graph.nodes:
        neighbors = graph.get_neighbors(p)
        C_neighbors = [C[q][t] for q in neighbors]
        
        # Recursive coupling and semantic flow
        R_update = compute_R(C_neighbors, C[p][t])
        D_update = compute_D(C[p][t])
        A_update = compute_A(p, t)
        Phi = compute_Phi(C[p][t])
        W = compute_W(p, t)
        H = compute_H(R_update)
        
        # Update coherence field
        C[p][t+1] = update_C(C_neighbors, R_update, D_update, A_update, Phi, H, W)
        
        # Track semantic mass, wisdom, attractor force
        M[p][t+1] = D_update * compute_rho(p, t) * A_update
        F[p][t+1] = compute_attractor_force(M, p, t+1)

10.6 Simulation Objectives

The simulation framework is designed to elucidate the emergent phenomena predicted by Recurgent Field Theory. Principal objectives include:

  • Coherence Propagation: Characterize the spatiotemporal evolution of an initial coherence seed, quantifying the mechanisms of semantic diffusion and decay.
  • Attractor Migration: Analyze the dynamics of attractor basins, including the displacement and stabilization of coherent structures as recursive interactions evolve.
  • Bifurcation and Topological Transitions: Identify critical parameter regimes under which the topology of the semantic manifold undergoes bifurcation, leading to qualitative changes in the field configuration.
  • Wisdom–Fertility Interplay: Investigate the regulatory influence of the wisdom field on autopoietic branching, with particular attention to the modulation of recurgent fertility by foresight.
  • Stability and Collapse: Determine the conditions under which semantic structures exhibit resilience or instability, including the onset of runaway dynamics or collapse.

10.7 Implementation Considerations

  • Employ JAX or PyTorch as computational backends to facilitate:
    • Automatic differentiation across recursive tensorial flows,
    • Efficient computation of gradients for fields such as $\nabla C$ and $\nabla R$.
  • For large-scale simulations:
    • Utilize GPU/TPU acceleration to maintain tractability,
    • Integrate graph-based libraries (e.g., TorchGeometric, DGL) for optimized batch operations on discretized manifolds.

10.8 Visualization Protocols and Observables

To render the high-dimensional dynamics of RFT interpretable, the following observables and visualization standards are prescribed:

  • Scalar Field Heatmaps:
    • $C(p,t)$: Coherence field intensity,
    • $M(p,t)$: Semantic mass distribution,
    • $\Phi(C)$: Autopoietic generativity zones,
    • $W(p,t)$: Wisdom field magnitude.
  • Graphical Animations:
    • Temporal evolution of attractor migration and bifurcation phenomena.
  • Recursion Flow Lines:
    • Visualization of geodesic drift and recursive coupling trajectories.
  • Topological Snapshots:
    • Identification of phase transitions and critical points in the manifold.

10.8.1 Visualization Standards

To promote consistency and support rigorous interpretation, the following conventions are established:


10.8.1.1 Field-to-Color Mappings
Field Color Spectrum Range Mapping Interpretation
Coherence $C(p,t)$ Viridis (blue → green → yellow) $[0, C_{\text{max}}] \mapsto [0, 1]$ Monotonic increase with coherence strength
Wisdom $W(p,t)$ Plasma (deep purple → orange) $[0, W_{\text{max}}] \mapsto [0, 1]$ Warm hues denote regions of elevated wisdom
Semantic Mass $M(p,t)$ Magma (black → magenta → yellow) $[0, M_{\text{max}}] \mapsto [0, 1]$ Brightness encodes semantic inertia
Metric Curvature $R$ RdBu (red → white → blue) $[-R_{\text{max}}, R_{\text{max}}] \mapsto [-1, 1]$ Red: positive curvature; Blue: negative curvature
Recursive Depth $D(p,t)$ Cividis (indigo → yellow) $[0, D_{\text{max}}] \mapsto [0, 1]$ Depth increases with darkness
Phase Parameter $\Theta(p,t)$ Turbo (blue → green → yellow → red) $[0, \Theta_{\text{crit}}] \mapsto [0, 1]$ Red highlights critical phase regions

For composite renderings, use alpha blending:

  • Primary field: $\alpha = 0.7$
  • Secondary field: $\alpha = 0.4$
  • Contour demarcations: $\alpha = 1.0$

10.8.1.2 Recursive Flow Visualization

Recursive coupling tensors $R_{ijk}$ are visualized as directed graphs with the following encoding:

  1. Edge Attributes:
    • Directionality reflects the orientation of influence (source $\to$ target).
    • Edge width is proportional to the Frobenius norm $|R_{ijk}|_F$.
    • Edge color is determined by $\operatorname{sign}(\operatorname{tr}(R_{ijk}))$ (red for positive, blue for negative).
    • Opacity is scaled relative to the global maximum tensor strength.
  2. Flow Integration:
    • Principal flow lines are computed via streamline integration: \(\frac{dx^i}{ds} = F^i(x) = \sum_{j,k} R^i_{jk} C^j C^k\)
    • Arrow glyphs are placed at regular intervals along streamlines.
    • Line density is modulated by local flow magnitude.
  3. Temporal Animation:
    • Flow oscillation speed is proportional to the local flow rate.
    • Particle emission rate is governed by the autopoietic potential $\Phi(C)$.
    • Color transitions encode phase changes and criticality.

10.8.1.3 Attractor Basin Visualization

Semantic attractors are rendered as topological features using:

  1. 2D Manifold Embeddings:
    • UMAP or t-SNE projections, with perplexity parameters tuned to the attractor scale.
    • Distance preservation is weighted by the local metric tensor $g_{ij}$.
    • Color gradients represent the potential energy $V(C)$.
    • Kernel density estimation visualizes basin probability distributions.
  2. 3D Surface Plots:
    • The potential energy surface is rendered with height $-V(C)$.
    • Attractors manifest as valleys or wells.
    • Watershed segmentation delineates basin boundaries.
    • Markov chain sampling estimates basin volumes.
  3. Interactive Diagnostics:
    • Hovering reveals attractor invariants (stability, mass, depth).
    • Direct manipulation (e.g., click-and-drag) enables perturbative analysis of basin resilience.
    • Semantic zooming exposes nested attractor hierarchies.
    • Temporal scrubbing facilitates the study of basin evolution.

10.8.1.4 Reference Implementations

Standard visualization protocols are implemented using established scientific libraries:

# Standard colormaps
FIELD_COLORMAPS = {
    'coherence': 'viridis',
    'wisdom': 'plasma',
    'mass': 'magma',
    'curvature': 'RdBu_r',
    'recursive_depth': 'cividis',
    'phase': 'turbo'
}

# Normalize and apply colormap to field data
def visualize_field(field_data, field_type, ax=None, alpha=0.7, contours=True):
    """Standardized field visualization with appropriate normalization and colormap"""
    if ax is None:
        _, ax = plt.subplots(figsize=(10, 8))
    
    # Get field-specific normalization
    norm = get_field_normalization(field_type, field_data)
    
    # Apply standard colormap
    cmap = plt.get_cmap(FIELD_COLORMAPS[field_type])
    
    # Render field
    im = ax.imshow(field_data, cmap=cmap, norm=norm, alpha=alpha)
    
    # Add contour lines if requested
    if contours:
        contour_levels = np.linspace(np.min(field_data), np.max(field_data), 10)
        ax.contour(field_data, levels=contour_levels, colors='black', linewidths=0.5, alpha=0.5)
    
    # Add colorbar with appropriate label
    plt.colorbar(im, ax=ax, label=get_field_label(field_type))
    
    return ax

# Recursive flow visualization
def visualize_recursive_flow(C, R, coords, ax=None):
    """Visualize recursive coupling tensor as directed flow field"""
    if ax is None:
        _, ax = plt.subplots(figsize=(10, 8))
    
    # Calculate flow field
    flow_x, flow_y = compute_flow_field(C, R)
    
    # Normalize for visualization
    flow_magnitude = np.sqrt(flow_x**2 + flow_y**2)
    flow_max = np.max(flow_magnitude)
    
    # Create streamplot with standard styling
    strm = ax.streamplot(
        coords[0], coords[1], flow_x, flow_y,
        color=flow_magnitude, cmap='coolwarm',
        linewidth=1.5 * flow_magnitude / flow_max,
        density=1.5, arrowsize=1.2
    )
    
    # Add colorbar
    plt.colorbar(strm.lines, ax=ax, label='Recursive Flow Magnitude')
    
    return ax

# Attractor basin visualization
def visualize_attractor_basins(C, V, g_ij, dim_reduction='umap'):
    """Visualize attractor basins in latent space with standard embedding"""
    # Calculate embedding coordinates
    if dim_reduction == 'umap':
        embedding = metric_aware_umap(C, g_ij, n_components=2)
    elif dim_reduction == 'tsne':
        embedding = metric_aware_tsne(C, g_ij, n_components=2)
    else:
        embedding = metric_aware_pca(C, g_ij, n_components=2)
    
    # Set up figure with multiple panels
    fig = plt.figure(figsize=(15, 10))
    
    # 2D embedding with potential energy coloring
    ax1 = fig.add_subplot(121)
    scatter = ax1.scatter(
        embedding[:, 0], embedding[:, 1],
        c=-V.flatten(), cmap='viridis',
        s=10, alpha=0.7
    )
    ax1.set_title('Attractor Basin Embedding')
    plt.colorbar(scatter, ax=ax1, label='Attractor Potential Energy')
    
    # 3D surface plot of potential landscape
    ax2 = fig.add_subplot(122, projection='3d')
    
    # Create surface grid from embedding
    grid_x, grid_y, grid_z = embedding_to_surface(embedding, -V.flatten())
    
    # Plot surface
    surf = ax2.plot_surface(
        grid_x, grid_y, grid_z,
        cmap='viridis', linewidth=0,
        antialiased=True, alpha=0.8
    )
    ax2.set_title('Potential Energy Surface')
    plt.colorbar(surf, ax=ax2, label='Attractor Depth')
    
    # Mark attractor points
    attractors = identify_attractors(V)
    ax2.scatter(
        embedding[attractors, 0],
        embedding[attractors, 1],
        -V.flatten()[attractors],
        color='red', s=50, marker='*'
    )
    
    return fig

10.9 Canonical Experimental Protocols

Experimental Paradigm Formal Description
Coherence Seeding Initialize a localized region of elevated $C$ within a domain of low constraint $\rho$; quantify the spatiotemporal propagation of coherence.
Attractor Fusion Prepare two stable attractor basins in proximity; analyze the recursive interference and resultant field reconfiguration.
Constraint Relaxation Implement a global reduction in constraint density $\rho$; observe the destabilization and collapse of attractor structures.
Recursive Perturbation Apply a localized perturbation to the recursive coupling tensor $R_{ijk}$; characterize the emergence of bifurcation or collapse phenomena.
Wisdom Tuning Systematically vary the wisdom field coupling parameter $\mu$; assess the modulation of foresight and autopoietic fertility.

10.10 The Epistemic Engine: Formal Perspective

The simulation framework described here serves as a prototype epistemic engine—a computational substrate for the recursive stabilization and evolution of coherent symbolic systems. Its principal capacities include:

  • Recursive Cognitive Substrate: Implements iterative field-theoretic updates, allowing for the emergence and maintenance of semantic coherence within a discretized manifold.
  • Artificial Agent Dynamics: Facilitates the formal study of agents capable of reflective, structured sensemaking, grounded in the recursive architecture of Recurgent Field Theory.
  • Cultural and Conceptual Evolution: Offers a controlled environment for simulating collective semantic dynamics, attractor migration, and agent self-modification.

Within this architecture, the dynamics of meaning are not merely heuristic but are instantiated as field-theoretic processes. The simulation brings the recurgent formalism into operational form, making possible the quantitative analysis of coherence stabilization, semantic curvature, and the genesis of generative recursion—thus building a principled bridge between phenomenological structure and computational realization.


Next: Synthesis