• 제목/요약/키워드: East Asian mathematics

검색결과 1,221건 처리시간 0.018초

UNSOLVED PROBLEMS IN BCK-ALGEBRAS

  • Dudek, Wieslaw A.
    • East Asian mathematical journal
    • /
    • 제17권1호
    • /
    • pp.115-128
    • /
    • 2001

  • We present old unsolved problems on BCK-sequences connected with convex congruences on BCK-algebras. We posed also some new problems on subalgebras.

  • PDF

LOCALIZATION OF AZUKAWA PSEUDOMETRIC

  • Lee, Sun-Hong
    • East Asian mathematical journal
    • /
    • 제24권1호
    • /
    • pp.7-10
    • /
    • 2008

  • We prove a localization theorem of Azukawa pseudometric at a local plurisubharmonic peak point of a domain in the complex Euclidean space.

  • PDF

ALMOST PRETOPOLOGICAL CONVERGENCE SPACES

  • Park, Sang-Ho
    • East Asian mathematical journal
    • /
    • 제18권2호
    • /
    • pp.211-218
    • /
    • 2002

  • In this paper, we introduce the notion of almost topological convergence spaces and almost pretopological convergence spaces, and prove that these are product invariant.

  • PDF

NOTE ON VANDERMONDE'S CONVOLUTION THEOREM

  • Choi, June-Sang
    • East Asian mathematical journal
    • /
    • 제14권1호
    • /
    • pp.157-163
    • /
    • 1998

  • The aim of this note is to prove Vandermonde's convolution theorem by using the theory of hypergeometric series as suggested in literature which does not seem to be easy to justify it. We also provide an interesting identity and its application.

  • PDF