Sang-Eon Han

According to our database, Sang-Eon Han authored at least 27 papers between 2005 and 2023.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2023

A topological approach to rough sets from a granular computing perspective.

Wei Yao, Sang-Eon Han

Inf. Sci., May, 2023

2021

Topological properties of locally finite covering rough sets and K-topological rough set structures.

Sang-Eon Han

Soft Comput., 2021

2020

Topological operators of <i>MW</i>-topological rough approximations.

Sang-Eon Han

Int. J. Approx. Reason., 2020

2019

Covering rough set structures for a locally finite covering approximation space.

Sang-Eon Han

Inf. Sci., 2019

Marcus-Wyse topological rough sets and their applications.

Sang-Eon Han

Int. J. Approx. Reason., 2019

Roughness measures of locally finite covering rough sets.

Sang-Eon Han

Int. J. Approx. Reason., 2019

Estimation of the complexity of a digital image from the viewpoint of fixed point theory.

Sang-Eon Han

Appl. Math. Comput., 2019

2018

On the measure of M-rough approximation of L-fuzzy sets.

Sang-Eon Han, Alexander P. Sostak

Soft Comput., 2018

Homotopic properties of an <i>MA</i>-digitization of 2D Euclidean spaces.

Sang-Eon Han

J. Comput. Syst. Sci., 2018

2017

An MA-digitization of Hausdorff spaces by using a connectedness graph of the Marcus-Wyse topology.

Sang-Eon Han, Wei Yao

Discret. Appl. Math., 2017

2016

Lattice-theoretic contexts and their concept lattices via Galois ideals.

Wei Yao, Sang-Eon Han, Rongxin Wang

Inf. Sci., 2016

A Stone-type duality for sT₀ stratified Alexandrov L-topological spaces.

Wei Yao, Sang-Eon Han

Fuzzy Sets Syst., 2016

2014

On approximate-type systems generated by L-relations.

Sang-Eon Han, In-Soo Kim, Alexander P. Sostak

Inf. Sci., 2014

Variable-Range Approximate Systems Induced by Many-Valued L-Relations.

Aleksandrs Elkins, Sang-Eon Han, Alexander P. Sostak

Proceedings of the Information Processing and Management of Uncertainty in Knowledge-Based Systems, 2014

M-valued Measure of Roughness for Approximation of L-fuzzy Sets and Its Topological Interpretation.

Sang-Eon Han, Alexander P. Sostak

Proceedings of the Computational Intelligence - International Joint Conference, 2014

2011

Extension of continuity of maps between axiomatic locally finite spaces.

Sang-Eon Han

Int. J. Comput. Math., 2011

2010

Ultra regular covering space and its automorphism group.

Sang-Eon Han

Int. J. Appl. Math. Comput. Sci., 2010

2008

The <i>k</i>-Homotopic Thinning and a Torus-Like Digital Image in Z^<i>n</i>.

Sang-Eon Han

J. Math. Imaging Vis., 2008

Comparison among digital fundamental groups and its applications.

Sang-Eon Han

Inf. Sci., 2008

Equivalent (k₀, k₁)-covering and generalized digital lifting.

Sang-Eon Han

Inf. Sci., 2008

2007

The k-fundamental group of a closed k-surface.

Sang-Eon Han

Inf. Sci., 2007

Digital fundamental group and Euler characteristic of a connected sum of digital closed surfaces.

Sang-Eon Han

Inf. Sci., 2007

2006

Connected sum of digital closed surfaces.

Sang-Eon Han

Inf. Sci., 2006

Erratum to "Non-product property of the digital fundamental group" [Informat. Sci. 171(1-3) (2005) 73-91].

Sang-Eon Han

Inf. Sci., 2006

Minimal simple closed 18-surfaces and a topological preservation of 3D surfaces.

Sang-Eon Han

Inf. Sci., 2006

Discrete Homotopy of a Closed <i>k</i>-Surface.

Sang-Eon Han

Proceedings of the Combinatorial Image Analysis, 11th International Workshop, 2006

2005

Non-product property of the digital fundamental group.

Sang-Eon Han

Inf. Sci., 2005