• Higher-order Hamilton-Jacobi perturbation theory for anisotropic heterogeneous media : Dynamic ray tracing in Cartesian coordinates 

  Iversen, Einar; Ursin, Bjørn; Saksala, Teemu; Ilmavirta, Joonas; Hoop, Maarten V de (Oxford University Press, 2019)

  With a Hamilton–Jacobi equation in Cartesian coordinates as a starting point, it is common to use a system of ordinary differential equations describing the continuation of first-order derivatives of phase-space perturbations ...

• Conformality and Q-harmonicity in sub-Riemannian manifolds 

  Capogna, Luca; Citti, Giovanna; Le Donne, Enrico; Ottazzi, Alessandro (Elsevier Masson, 2019)

  We establish regularity of conformal maps between sub-Riemannian manifolds from regularity of Q-harmonic functions, and in particular we prove a Liouville-type theorem, i.e., 1-quasiconformal maps are smooth in all contact ...

• Rungen lause ja sovelluksia inversio-ongelmiin 

  Salo, Mikko (Suomen Fyysikkoseura, 2018)

• Muckenhoupt Ap-properties of Distance Functions and Applications to Hardy-Sobolev -type Inequalities 

  Dyda, Bartłomiej; Ihnatsyeva, Lizaveta; Lehrbäck, Juha; Tuominen, Heli; Vähäkangas, Antti (Springer, 2019)

• A fugacity model assessment of ibuprofen, diclofenac, carbamazepine, and their transformation product concentrations in an aquatic environment 

  Nurmi, Tuomas; Kiljunen, Toni; Knuutinen, Juha (Springer, 2019)

  An updated version of FATEMOD, a multimedia fugacity model for environmental fate of organic chemicals, was set up to assess environmental behaviour of three pharmaceuticals in northern Lake Päijänne, Finland. Concentrations ...

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