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math.AP2026

Filtered Vortex Stretching and Subgrid Defects for the Three-Dimensional Navier-Stokes Equations

Runlong Yu

We prove a finite-scale estimate for vortex stretching in spatially filtered three-dimensional Navier--Stokes flow. The positive near-field part of the filtered stretching is bound…

math.AP2026

A Structural Audit of Navier-Stokes Obstruction Calculus

Runlong Yu

We audit a finite-scale program for the local regularity problem of the three-dimensional incompressible Navier--Stokes equations. The program develops critical ledgers, coarse-gra…

math.AP2026

Coarse-Grained Resolution and Pressure-Flux Work Depletion for Navier-Stokes CKN Badness

Runlong Yu

We prove a finite-scale coarse-grained decomposition for the three-dimensional incompressible Navier-Stokes equations near the Caffarelli-Kohn-Nirenberg local regularity framework.…

math.AP2026

Finite-Chain CKN-Bad Scale Counting for Navier-Stokes: Standard PDE Closure and Canonical Detector Realization

Runlong Yu

This paper proves a finite-chain counting theorem for Caffarelli--Kohn--Nirenberg bad scales of suitable weak solutions to the three-dimensional incompressible Navier--Stokes equat…

math.AP2026

Finite-Window Recursive Audit Chains for Navier-Stokes Generated Packages

Runlong Yu

We develop a finite-window recursive audit framework for Navier--Stokes-generated packages. On a fixed window, the underlying anti-phantom certificate asserts that a baseline-visib…

math.AP2026

Finite-Window Local-to-Clean Transfer and Anti-Phantom Detection for Sharp Navier-Stokes Packages

Runlong Yu

We prove a fixed finite-window structural theorem for sharp localized Navier-Stokes packages, formulated as both a local-to-clean detection theorem and an anti-phantom principle. T…

math.AP2026

Finite-Window Computational Anti-Phantom Theorems for Scale-Critical Navier-Stokes Defects

Runlong Yu

We prove a finite-window anti-phantom principle for scale-critical Navier--Stokes defect packages and develop a conditional localized transfer framework around it. In a fixed clean…

math.AP2026

Finite-Window Singularity Audits and Local-to-Clean Defect Transfer for Navier-Stokes

Runlong Yu

We develop a finite-window audit and transfer framework for the local regularity problem of the three-dimensional incompressible Navier--Stokes equations. The paper has two logical…

math.AP2026

Critical Ledgers and Scale-Defect Cascades for Navier-Stokes

Runlong Yu

We prove a finite-scale supply--tax reduction for suitable weak solutions of the three-dimensional incompressible Navier--Stokes equations near the local regularity threshold. Alon…

math.AP2026

Invisible Defect Cascades for Navier-Stokes Regularity

Runlong Yu

We formulate a conditional scale-critical defect-cascade reduction for the local regularity problem of the three-dimensional incompressible Navier--Stokes equations. The theorem co…

math.AP2026

Schur Visibility and Anti-Phantom Reduction in One-Component Navier-Stokes Degeneration

Runlong Yu

We study the finite-scale one-component degeneration problem for suitable weak solutions of the three-dimensional incompressible Navier--Stokes equations under a scale-invariant bo…

math.AP2026

Strict 2.5D Shadows for One-Component Navier-Stokes Regularity

Runlong Yu

We formulate and prove a conditional finite-scale reduction theorem for the local one-component regularity problem for suitable weak solutions of the three-dimensional Navier--Stok…

math.AP2026

Finite-Scale One-Component Regularity via Harmonic Pressure for the 3D Navier-Stokes Equations

Runlong Yu

We study a finite-scale one-component regularity mechanism for suitable weak solutions of the three-dimensional incompressible Navier--Stokes equations. The results are organized i…