• Korean Journal of Mathematics
• /
• 제7권1호
• /
• pp.7-9
• /
• 1999

In this paper, we introduce the regularity, the hyperexactness and the hyperregularity, and we study on the extensions of regularity and the holomorphical regularity of the bounded linear operators.

• Korean Journal of Mathematics
• /
• 제7권1호
• /
• pp.1-5
• /
• 1999

We will find sufficient conditions for a Mari domain to be a Krull domain.

• Korean Journal of Mathematics
• /
• 제8권1호
• /
• pp.43-45
• /
• 2000

In this paper, we give the characterization of a left (right) filter of $po$-semigroups.

• Korean Journal of Mathematics
• /
• 제8권1호
• /
• pp.1-17
• /
• 2000

The existence of density of process, which is given by canonical stochastic differential equation, can be proved by the Picard's method([5]) also.

• Korean Journal of Mathematics
• /
• 제8권1호
• /
• pp.33-42
• /
• 2000

We generalize LePage-type representation of infinitely divisible processes and survey type G processes. Finally, we get integral representation and some inequality of processes of type G.

• Korean Journal of Mathematics
• /
• 제19권3호
• /
• pp.273-278
• /
• 2011

In this paper we give some results on homomorphisms of pointed minimal sets. In particular, we investigate some characterizations on Ellis groups.

• Korean Journal of Mathematics
• /
• 제19권3호
• /
• pp.291-300
• /
• 2011

In this note, we will investigate some relations among powers of characteristic matrices of uniform cellular automata configured with rule 102 and periodic boundary condition.

• Korean Journal of Mathematics
• /
• 제18권1호
• /
• pp.11-19
• /
• 2010

In this paper, several common fixed degree theorems of a sequence of fuzzy mappings defined on symmetric spaces are established.

• Korean Journal of Mathematics
• /
• 제18권1호
• /
• pp.53-61
• /
• 2010

In this work, we consider an elliptic system of three equations in dimension greater than one. We prove that the system has at least three nontrivial solutions by applying a linking theorem.

• Korean Journal of Mathematics
• /
• 제18권1호
• /
• pp.79-86
• /
• 2010

In this paper we give some results on homomorphisms of flows. In particular, we investigate the sufficient conditions for the homomorphism of flows to be its own regularizer.