PAPERS
●A. Nakamoto, Y. Suzuki,
Partially broken orientations of graphs on closed surfaces,
Discrete Math. 347 (2024), Paper No.114016, 8pp.

●K. Sone, Y. Suzuki,
Optimal 1-planar multigraphs,
Discrete Math. 346 (2023), Paper No.113553, 10pp.

●Y. Suzuki,
Finitizable set of reductions for polyhedral quadrangulations of closed surfaces,
Ars Math. Contemp. 23 (2023) Paper No. 4, 23pp.

●H. Shibuya, Y. Suzuki,
A note on the upper bounds on the size of bipartite and tripartite 1-embeddable graphs on surfaces,
Discuss. Math. Graph Theory 43 (2023) 171-177.

●J. Hasegawa, Y. Suzuki,
Q₄-irreducible even triangulations of the projective plane,
Discrete Math. 345 (2022), Paper No.112736, 10pp.

●H. Shibuya, Y. Suzuki,
1-Embeddability of complete multipartite graphs on the projective plane,
Discrete Math. 344 (2021) Paper No.112518, 14pp.

●N. Matsumoto, Y. Suzuki,
Non-1-planarity of lexicographic products of graphs,
Discuss. Math. Graph Theory 41 (2021) 1103-1114.

●G. Kawatani, Y. Suzuki,
Partially Broken Orientations of Eulerian Plane Graphs,
Graphs Combin. 36 (2020) 767-777.

●H. Hamanaka, A. Nakamoto, Y. Suzuki,
Rhombus tilings of an even-sided polygon and quadrangulations on the projective plane,
Graphs Combin. 36 (2020) 561-571.

●S. Klee, S. Murai, Y. Suzuki,
Exceptional balanced triangulations on surfaces,
Graphs Combin. 35 (2019) 1361-1373.

●Y. Suzuki,
Generating polyhedral quadrangulations of the projective plane,
Ars Math. Contemp. 19 (2019) 153-183.

●T. Nagasawa, K. Noguchi, Y. Suzuki,
Optimal 1-embedded graphs which triangulate other surfaces,
J. Nonlinear Convex Anal. 19 (2018) 1759-1770.

●J. Fujisawa, K. Segawa, Y. Suzuki,
The extendability of optimal 1-planar graphs,
Graphs Combin. 34 (2018) 1089-1099.

●T. Nagasawa, K. Noguchi, Y. Suzuki,
No optimal 1-planar graph triangulates any non-orientable closed surface,
J. Graph Theory 89 (2018) 350-360.

●S. Murai, Y. Suzuki,
Balanced subdivisions and flips on surfaces,
Proc. Amer. Math. Soc. 146 (2018) 939-951.

●M. Nishina, Y. Suzuki,
A generating theorem of simple even triangulations with a finitizable set of reductions,
Discrete Math. 340 (2017) 2604-2613.

●Y. Suzuki,
K7-minors in optimal 1-planar graphs,
Discrete Math. 340 (2017) 1227-1234.

●Y. Suzuki,
Cube-contractions in 3-connected quadrangulations,
Ars Math. Contemp. 10 (2016) 281-290.

●A. Nakamoto, S. Negami, K. Oba, Y. Suzuki,
The looseness and independence number of triangulations on closed surfaces,
Discuss. Math. Graph Theory 36 (2016) 545-554.

●K. Noguchi, Y. Suzuki,
Relationship among triangulations, quadrangulations and optimal 1-planar graphs,
Graphs Combin., 31 (2015) 1965-1972.

●S. Hong, P. Eades, N. Kato, G. Liotta, P. Schweitzer, Y. Suzuki,
A linear-time algorithm for testing outer-1-planarity,
Algorithmica, 72 (2015) 1033-1054.

●M. Nagashima, A. Nakamoto, S. Negami, Y. Suzuki,
Generating 3-connected quadrangulations on surfaces,
Ars Combinatoria, 116 (2014) 371-384.

●R. Mukae, A. Nakamoto, Y. Suzuki,
3-Polychromatic quadrangulations on surfaces,
Congressus Numernatium, 219 (2014), 43-51.

●P. Eades, S. Hong, N. Kato, G. Liotta, P. Schweitzer, Y. Suzuki,
A linear time algorithm for testing maximal 1-planarity of graphs with a rotation system,
Theoret. Comput. Sci., 513 (2013) 65-76,

●D.Hud\'ac, T. Madaras, Y. Suzuki,
On properties of maximal 1-planar graphs,
Discuss. Math. Graph Theory, 32 (2012) 737-747,

●D.Kr\'l', B. Mohar, A. Nakamoto, O. Pangr\'c, Y. Suzuki,
Coloring Eulerian triangulations of the Klein bottle,
Graphs Combin., 28 (2012), 499-530,

●A.Nakamoto, Y .Suzuki,
Y-rotation in k-minimal quadrangulations on the projective plane,
J. Graph Theory, 69 (2012), 301-313.

●Y. Suzuki,
Re-embedding structures of 4-connected projective planar graphs,
J. Graph Theory, 68 (2011), 213-228.

●K. Kawarabayashi, S. Negami, M. Plummer, Y. Suzuki,
The 2-extendability of 5-connected graphs on surfaces with large representativity,
J. Combin. Theory, Ser. B., 101 (2011), 206-213.

●K. Ishiguro, S. Negami, Y. Suzuki, K. Yamamoto,
No optimal 1-planar graph triangulates the non-orientable closed surface of genus 4,
Congressus Numernatium, 202 (2010), 25-31.

●Y. Suzuki,
Re-embeddings of maximum 1-planar graphs,
SIAM J. Discrete Math., 24 (2010), 1527-1540.

●S. Negami, Y. Suzuki,
The 2-extendability of 5-connected graphs on the Klein bottle,
Discrete Math., 310 (2010), 2510-2518.

●R. Mukae, A. Nakamoto, Y. Oda, Y. Suzuki,
K6-Minors in triangulations on the nonorientable surface of genus 3,
Graphs Combin., 26 (2010), 559-570.

●I. Mizukai, S. Negami, Y. Suzuki,
The 2-extendability of graphs on the projective plane, the torus and the Klein bottle,
Graphs Combin., 26 (2010), 549-557.

●A. Nakamoto, Y. Suzuki,
Diagonal slides and diagonal rotations in quadrangulations on the sphere,
Yokohama Math. J., 55 (2010), 105-112.

●Y. Suzuki,
Optimal 1-planar graphs which triangulate other surfaces,
Discrete Math., 310 (2010), 6-11.

●K. Kawarabayashi, A. Nakamoto, Y. Suzuki,
N-Flips in even triangulations on surfaces,
J. Combin. Theory, Ser. B., 99 (2009), 229-246.

●A. Nakamoto, Y. Suzuki,
N-Flips in even triangulations on the projective plane,
Discrete Math., 308 (2008), 5454-5462.

●K. Kawarabayashi, A. Nakamoto, Y. Suzuki,
N-Flips in even triangulations on surfaces,
Electronic Notes in Discrete Math., 31 (2008), 99-104.

●Y. Suzuki, T. Watanabe,
Generating even triangulations on the projective plane,
J. Graph Theory, 56 (2007), 333-349.

●Y. Suzuki,
Graphs that triangulate a given surface and quadrangulate another surface,
J. Combin. Theory, Ser. B., 97 (2007), 237-244.

●A. Nakamoto, T. Sakuma, Y. Suzuki,
N-Flips in even triangulations on the sphere,
J. Graph Theory, 51 (2006), 260-268.

●Y. Suzuki,
Triangulations on closed surfaces which quadrangulate other surfaces�U,
Discrete Math., 303 (2005), 235-243.

●S. Negami, Y. Suzuki,
Projective-planar double coverings of 3-connected graphs,
Yokohama Math. J., 50 (2003), 87-95.

●S. Negami, Y. Suzuki,
5-Connected planar triangulations quadrangulating other surfaces,
Yokohama Math. J., 47 (2000), 187-193.


SUBMITTED
◯K. Sone, Y. Suzuki,
K₇-minors in optimal 1-embedded graphs on the projective plane.

◯Y. Suzuki,
Re-1-embeddings of optimal 1-embedded graphs on the projective plane.

◯S. Koizumi, Y. Suzuki,
The matching extendability of optimal 1-embedded graphs on the projective plane.

◯A. Masuda, Y. Suzuki,
K₆-Subdivisions in optimal 1-planar graphs.

◯K. Noguchi, K. Ota, Y. Suzuki,
Spanning plane subgraphs of 1-planar graphs.

IN PREPARATION