Riemanian Manifolds of Asymmetric Equilibria: Complete Geometric Structure and Curvature Signatures

30 March 2026, Version 1
This content is an early or alternative research output and has not been peer-reviewed by Cambridge University Press at the time of posting.

Abstract

We develop the complete Riemannian geometry of Victoria–Nash asymmetric equilibrium manifolds (VNAE) for $n$-player games. The metric \(g_{ij} = \iota_i \iota_j \delta_{ij} + \varepsilon H_{ij}(V,\iota)\) yields explicit Levi-Civita connection \(\Gamma^k_{ij}\), Riemann tensor \(R^i_{\,jkl}\) with fourth-order $V$-derivative cancellation, Ricci tensor \(R_{ij} \approx \kappa\bigl(\iota_{i,j} \iota_i - \kappa \partial_i^2 \iota_i\bigr) \delta_{ij}\), and scalar curvature \(K_s \approx \sum_{i

Keywords

Riemannian Manifolds
Asymmetric Equilibria
Control Theory
Dynamical Systems
Game Theory
Differential Geometry

Supplementary materials

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Step-by-Step Calculations
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PDF file containing step-by-step calculations for different K regimes, as well as considering its extension to n = 3 players..
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4-Graphs
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Plot 1: Expectation field and nullclines Plot 2: Curvature as function of θ_A (at fixed point) Plot 3: Phase portrait (dynamics -F) Plot 4: Symmetric vs Asymmetric Comparison
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Geodesic Analysis Additional Graph
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Geodesic Analysis Additional Graph.
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Residual Analysis Additional Graph
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Residual Analysis Additional Graph
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VNAE-Complete-Calculator-For-2-Players
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VNAE Calculator for n = 2 players.
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VNAE-Complete-Calculator-For-3-Players
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VNAE Calculator for n = 3.
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Supplementary weblinks

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