Papers

Published or Accepted Papers

1. M. Sawahara, Cylinders in canonical del Pezzo fibrations, Ann. Inst. Fourier (Online first), 69pp. 

DOI: 10.5802/aif.3573 (arXiv:2012.10062)

2. M. Sawahara, Minimal compactifications of the affine plane with nef canonical divisors, Comm. Algebra 52 (2024), 2185--2204. 

DOI: 10.1080/00927872.2023.2285919 (arXiv:2304.12756)

3. M. Sawahara, Notes on cylinders in smooth projective surfaces, Geom. Dedicata 217 (2023), No. 6, 14pp.  

DOI: 10.1007/s10711-022-00741-3 (arXiv:2204.08864)

4. M. Sawahara, Cylinders in weak del Pezzo fibrations, Transform. Groups 28 (2023), 413--437. 

DOI: 10.1007/s00031-022-09730-y  (arXiv:1912.09016)

5. M. Sawahara, Compactifications of the affine plane over nonclosed fields, Pacific J. Math. 321 (2022), 375--413. 

DOI: 10.2140/pjm.2022.321.375 (arXiv:2107.08730)

Preprints

1. M. Sawahara, Cylindrical ample divisors on Du Val del Pezzo surfaces, arXiv:2304.12755v2 (2023), 23pp. 

Departmental Bulletin Papers (in Japanese)

1. Y. Tanaka, K. Yoshikawa, H. Hayakawa, H. Nakano, F. Tensaka, M. Sawahara, M. Yamamoto and S. Itoh, Development of Spatial Graphic Teaching Materials Emphasizing the Process of Reformulation: Focusing on Approximating the Bulge of the Milk Carton, Bull. Fac. Educ. Hirosaki Univ. 131 (2024), 29--39. 

Doctoral thesis

Cylinders in normal surfaces over algebraically non-closed fields with an application to cylindricity of del Pezzo fibrations, Saitama University, 2022. 

DOI: 10.24561/00019786

Master's thesis

Cylinders in weak del Pezzo fibrations, Saitama University, 2019. (in Japanese) 

Last update: May 7, 2024