Writing

Quant Funds and AI Labs Converge

Grant Stenger and Rich Dewey (Jan 2026)

An analysis of the convergence between quantitative trading firms and AI research laboratories.

Why Local Minima Are Rare in High-Dimensional Landscapes

Grant Stenger (May 2025)

A note on Hessians, saddles, and Morse critical points: why nondegenerate local minima are exponentially rare among the critical points of high-dimensional random landscapes.

Trillions of Markets

Grant Stenger (June 2026)

Why a collapse in the cost of making almost anything tradable produces not thousands of markets but trillions.

The Rational Hodge Conjecture for All Powers of Cyclic Cubic Fourfolds

Grant Stenger (Aug 2026)

Proving that every rational Hodge class on every self-power of a smooth cyclic cubic fourfold is algebraic.

An Arrow–Pratt Foundation for Almgren–Chriss Execution

Grant Stenger (Dec 2024)

Deriving the Almgren-Chriss execution-risk coefficient from Arrow-Pratt curvature of terminal-wealth utility: local utility, exact GBM variance kernels, and wealth-scaled risk aversion.

SUPA: Solana Uniform-Price Auctions for CPMMs

Grant Stenger, Martin Lindsey, Edwin Suresh, Keith Warter, Agam Gambhir (Oct 2025)

A batch-clearing generalization of the constant-product market maker that neutralizes intra-slot MEV by clearing trades at a uniform price.

A Case for Cooperation: Dependence in the Prisoner's Dilemma

Grant Stenger (Sept 2024)

An exploration of the famous game theory problem.

Harmonic Three-Forms and Sectional-Curvature Pinching in Dimension Six

Grant Stenger (September 10, 2026)

A sufficient sectional-curvature pinching criterion for vanishing third cohomology and positive Euler characteristic in dimension six, proved using harmonic-form conservation identities and exact rational certificates.

Optimal Portfolio Weights Under CRRA Utility

Grant Stenger (March, April, Nov 2024)

Deriving optimal portfolio allocations under CRRA utility across binary, multi-asset, and risky numeraire frameworks.

Category Creep

Grant Stenger (Oct 2024)

Using words wrong is bad.

Bayes-Nash Equilibrium in a One-Street No-Limit Von Neumann Poker Model

Grant Stenger (Feb 2025)

A mathematical analysis of optimal betting strategies in a simplified poker model.

On Bartleby, the Scrivener

Grant Stenger (Aug 2023)

A reflection on Herman Melville's classic short story.