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Publications by Ryo Nikkuni

On the Wu Invariants for Immersions of a Graph Into the Plane

Homology, Homotopy and Applications
Mathematics
2010English

An Intrinsic Nontriviality of Graphs

Algebraic and Geometric Topology
GeometryTopology
2009English

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On the Differential Invariants of a Plane

Transactions of the American Mathematical Society
MathematicsApplied Mathematics
1906English

Affine Differential Invariants of Functions on the Plane

Journal of Applied Mathematics
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2013English

On the Line Graph of a Projective Plane

Proceedings of the American Mathematical Society
MathematicsApplied Mathematics
1965English

$C^1$-Regularity for Local Graph Representations of Immersions

Transactions of the American Mathematical Society
MathematicsApplied Mathematics
2013English

Graph Invariants in the Spin Model

Journal of Combinatorial Theory. Series B
CombinatoricsComputational TheoryDiscrete MathematicsTheoretical Computer ScienceMathematics
2009English

Some Invariants of Generic Immersions and Their Geometric Applications

Bulletin of the American Mathematical Society
1975English

The First Order Semilocal Vassiliev Invariants of Plane Curves

Journal of Knot Theory and its Ramifications
Number TheoryAlgebra
1998English

Isometric Immersions Into Lorentzian Products

International Journal of Geometric Methods in Modern Physics
AstronomyPhysics
2011English

On the Chromatic Number of the Visibility Graph of a Set of Points in the Plane

Discrete and Computational Geometry
CombinatoricsMathematicsGeometryDiscrete MathematicsComputational TheoryTopologyTheoretical Computer Science
2005English

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