Technical Report # 72

Suwa, T. and Yamanouchi, T. 2001年度談話会,特別講演アブストラクト集 北海道大学理学部数学教室. (2002);

Technical Report # 71

Giga, Yoshikazu Surface Evolution Equations --- a level set method ---. (2002);

Preprint Series # 578

Giga, Y and Matsui, S and Sasayama, S Blow up rate for semilinear heat equation with subcritical nonlinearity. (2002);

Preprint Series # 577

Izumiya, S and Pei, D and Takahashi, M Evolutes of hypersurfaces in Hyperbolic space. (2002);

Preprint Series # 576

Izumiya, S and Kossowski, M and Pei, D and Romero-Fuster, M. C Singularities of C$B!g!>(Blightlike hypersurfaces in Minkowski 4-space. (2002);

Preprint Series # 575

Izumiya, S and Janeczko, S A symplectic framework for multiplane gravitational lensing. (2002);

Preprint Series # 574

Izumiya, S and Pei, D and Romero-Fuster, M. C The hyperbolic Gauss-Bonnet type theorem. (2002);

Preprint Series # 573

Izumiya, S and Pei, D and Romero-Fuster, M. C The horospherical geometry of surfaces in Hyperbolic 4-space. (2002);

Preprint Series # 572

Izuchi, K and Nakazi, T Backward shift invariant subspaces in the bidisc. (2002);

Preprint Series # 571

Nakano, Y Minimization of shortfall risk in a jump-diffusion model. (2002);

Preprint Series # 570

Ishii, H and Mikami, T Convexified Gauss curvature flow of bounded open sets in an anisotropic external field a stochastic apporoximation and PDE. (2002);

Preprint Series # 569

Hwang, J. M and Yamaguchi, K Characterization of Hermitian symmetric spaces by fundamental forms. (2002);

Preprint Series # 568

Miyao, T Strongry supercommuting serf-adjoint operators. (2002);

Preprint Series # 567

Giga, Y and Sawada, O regularizing-decay rate estmates for solutions to the Navier-Stokes initial value problem. (2002);

Preprint Series # 566

Ishikawa, G Perturbations of Caustics and fronts. (2002);

Preprint Series # 565

Ishikawa, G Classifying singular Legendre curves by contactomorphisms. (2002);

Preprint Series # 564

Takahashi, M Bifurcations of ordinary differential equations of Clairaut type. (2002);

Preprint Series # 563

Harris, A and Tonegawa, Y A $B"_"_!>(Bpoincar lemma for forms near an isolated complex singularity. (2002);

Preprint Series # 562

Nakazi, T and Yamamoto, T Norms of some singular integral operators on weighted L2 spaces. (2002);

Preprint Series # 561

Sasaki, M and Sasaki, T An Approach to N = 4 ADE gauge Theory on K3. (2002);

Preprint Series # 560

Kato, J On the uniqueness of nondecaying solutions for the Navier-Stokes equations. (2002);

Preprint Series # 559

Izumiya, S and Pei, D and Takahashi, M Curves and surfaces in Hyperbolic space. (2002);

Preprint Series # 558

Izumiya, S and Pei, S and Fuster, M. C. Romero Umbilicity of spacelike submanifolds of Minkowski space. (2002);

Preprint Series # 557

Izumiya, S. and Pei, D. and Fuster, M. C. Romero The lightcone Gauss map of a spacelike surface in Minkowski 4-space. (2002);

Preprint Series # 556

Izumiya, S and Saji, K and Takeuchi, N Singularities of line congruences. (2002);

Preprint Series # 555

Izumiya, S and Takeuchi, N New special curves and developable surfaces. (2002);

Preprint Series # 554

Tonegawa, Y Domain dependent monotonicity formula for a singular perturbation problem. (2002);

Preprint Series # 553

Giga, Y and Rybka, P Berg's effect. (2002);

Preprint Series # 552

Giga, M.-H and Giga, Y Minimal vertical singular diffusion preventing overturning for the Burgers equation. (2002);

Preprint Series # 551

Ohtsuka, T A level set method for spiral crystal growth. (2002);

Preprint Series # 550

Nakazi, T and Watanabe, T Properties of a Rubin's orthogonal function which is a linear combination of two inner functions. (2002);

Preprint Series # 549

Nakazi, T Absolute values and real parts for functions in the Smirnov class. (2002);

Preprint Series # 548

Tachizawa, K A generalization of the Lieb-Thirring inequalities in low dimensions. (2002);

Preprint Series # 547

Nakano, Y Minimizing coherent risk measures of shortfall in discrete-time models with cone constraints. (2002);

## The 27th Sapporo Symposium on Partial Differential Equations

Technical Report # 74

Ozawa, T. and Giga, Y. and Jimbo, S. and Nakamura, G. Proceedings of the 27th Sapporo Symposium on Partial Differential Equations. (2002);

Ozawa, T. and Giga, Y. and Jimbo, S. and Nakamura, G. Proceedings of the 27th Sapporo Symposium on Partial Differential Equations. In: The 27th Sapporo Symposium on Partial Differential Equations, Jul. 31 - Aug. 2, 2002, Hokkaido University.

## 関数空間セミナー

Technical Report # 70

中路, 貴彦 第10回 関数空間セミナー報告集（Seminar on Function Spaces,2001）. (2002);