Andreas Rosén

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20242026

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math.AP2026

Global quadratic estimates for degenerate elliptic operators on cylinders

Gianmarco Brocchi, Andreas Rosén

On $d$ -dimensional cylinders $C = R^{k} \times N$ , with a closed manifold $N$ as base and large scale dimension $k \in [1, d)$ , we prove quadratic estimates in weighted…

math.AP2026

The Kato square root estimate with Robin boundary conditions

Sebastian Bechtel, Andreas Rosén

We prove the Kato square root estimate for second-order divergence form elliptic operators $- d i v (A \nabla)$ on a bounded, locally uniform domain $D \subseteq R^{n}$ , for accr…