Kiyoshi Iséki

Kiyoshi Iséki's AcademicInfluence.com Rankings

Kiyoshi Iséki

Mathematics

#5916

World Rank

#8275

Historical Rank

Algebra

#163

World Rank

#252

Historical Rank

Measure Theory

#1017

World Rank

#1312

Historical Rank

mathematics Degrees

Download Badge

Mathematics

Kiyoshi Iséki's Degrees

PhD Mathematics University of Tokyo
Masters Mathematics University of Tokyo
Bachelors Mathematics University of Tokyo

Similar Degrees You Can Earn

Best Online Bachelor's in Math 2025

Why Is Kiyoshi Iséki Influential?

(Suggest an Edit or Addition)

(See a Problem?)

Kiyoshi Iséki's Published Works

Number of citations in a given year to any of this author's works

Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author

Published Works

AN INTRODUCTION TO THE THEORY OF THE BCK-ALGEBRAS (1978) (537)
An Algebra Related with a Propositional Calculus (1966) (500)
On BCI-Algebras (1980) (357)
An introduction to the theory of BCK-algebra (1978) (290)
On axiom systems of propositional calculi, XXIV (1966) (244)
Fixed Point Theorem in 2-Metric Spaces (1975) (88)
On B*-Algebras (1953) (81)
On Ideals in BCK-Algebras (1975) (54)
On BCK-Algebras with Condition (S) (1977) (42)
On common fixed points of mappings (1974) (37)
Ideal theory of semiring (1956) (35)
Fixed point theorem in Banach spaces (1974) (35)
Ideals in semirings (1958) (26)
Algebraic formulations of propositional calculi (1965) (25)
Mathematics on 2-Normed Spaces (1976) (23)
A common fixed point theorem (1974) (22)
Quasiideals in Semirings without Zero (1958) (21)
A characterisation of regular semi-group (1956) (20)
On Some Ideals in BCK-Algebras (1975) (18)
Multi-valued contraction mapping in complete metric spaces (1974) (16)
Fixed point theorems in metric spaces (1974) (15)
On Fuzzy BF-Algebras (2008) (14)
An Approach to Fixed Point Theorems (1975) (14)
On Pseudo-compact and Countably Compact Spaces (1957) (13)
Notes on topological spaces, III. On space of maximal ideals of semiring (1956) (12)
A generalization of Sehgal-Khazanchi's fixed point theorems (1974) (11)
On Nonexpansive Mappings in Strictly Convex Linear 2-Normed Space (1975) (11)
Characterizations of BCI, BCK-Algebras (1966) (11)
On ideals in semiring (1958) (10)
A characterisation of pseudo-compact spaces (1957) (10)
On Hahn-Banach Type Extension Theorem (1965) (9)
Notes on Topological Spaces. V. On Structure Spaces of Semiring (1956) (9)
Pseudo-compactness and strictly continuous convergence (1957) (9)
On the property of Lebesgue in uniform spaces, III (1955) (8)
On BCI-algebras satisfying (x * y) * z = x * ( y * z) (1980) (8)
Some properties of BCK-algebras (1974) (8)
A Theorem on Continuous Convergence (1957) (8)
A Characterization of Boolean Algebra (1965) (8)
A remark on countably compact normal space (1957) (7)
On weakly compact regular spaces, I (1957) (7)
A Property of Orbitally Continuous Mapping on 2-Metric Spaces (1975) (7)
On a Positive Implicative Algebra with the Condition (S) (1977) (7)
Some Applications of Banach Type Contraction Principles (1976) (7)
A Characterization of Distributive Lattices (1951) (7)
Common fixed point theorems for mappings (1974) (7)
On Closure Operation in Lattice Theory (1951) (7)
On compact abelian semi-groups. (1953) (6)
On axiom systems of propositional calculi, XXI (1966) (6)
On Banach Theorem on Contraction Mappings (1965) (6)
Axiom systems of $B$-algebra (1965) (6)
A note on countably paracompact spaces (1954) (6)
On common fixed point theorems of mapping (1974) (5)
Some theorems in $B$-algebra (1966) (5)
A problem of number theory (1960) (5)
Pseudo-compactness and μ-convergence (1957) (5)
Vector-space valued functions on semi-groups, III (1955) (5)
Fixed point theorems for densifying mappings (1974) (5)
Some Examples of BCI-Algebras (1980) (5)
Contributions to the Theory of Semi-groups. III (1956) (4)
On Hannerisation of two countably paracompact normal spaces (1954) (4)
Necessary results for computation of cyclic parts in Steinhaus problem (1960) (4)
Notes on topological spaces, IV. Function semiring on topological spaces (1956) (4)
Implicit Functions on Locally Convex Topological Linear Spaces (1965) (4)
On Definitions of Commutative Rings (1968) (4)
On mutant sets in semigroups (1962) (4)
Computation of cyclic parts of Steinhaus problem for power 5 (1962) (4)
On Bounded BCK-Algebras (1975) (4)
An approximation problem in quasi-normed spaces (1959) (4)
Corrections to Yasuyuki Imai and Kiyoshi Iséki: “On Axiom systems of propositional calculi, I” (1965) (4)
On Some Problems on BCK-Algebras (1979) (3)
On complete orthonormal sets in Hilbert space (1957) (3)
An Approach to Locally Convex Topological Linear Spaces (1964) (3)
On Commutative BCK-Algebras with Condition (S) (1978) (3)
A Characterisation of P-spaces (1958) (3)
A remark on monotone solutions of differential equations (1959) (3)
On (m, n)-Mutant in Semigroup (1962) (3)
Unsolved problems of number theory:Steinhaus problem. (1962) (3)
A New Interpretation of Gottschalk's Results on Almost Periodicity (1965) (3)
On a property of mappings of metric spaces (1954) (3)
A Simple Application of Reich's Fixed Point Theorem (1977) (3)
An Algebraic Formulation of Propositional Calculi (準群の代数的理論) (1967) (3)
On a problem by H. Steinhaus (1962) (3)
On finite BCK-algebra (1980) (3)
On generalized continuous convergence (1957) (3)
On a Radical in a Semiring (1956) (3)
A problem on BCI-Algebras (1980) (2)
Semifield valued functionals on linear spaces (1968) (2)
Notes on topological spaces, II. Some properties of topological spaces with Lebesgue property (1956) (2)
On Steinhaus Problem in Number Theory - Computation of Cyclic Parts of Steinhaus Problem for Power 9 (1980) (2)
On Extension of Continuous Mappings on Countably Paracompact Normal Spaces (1954) (2)
$AU$-covering theorem and compactness (1957) (2)
On congruence relations on BCK-algebras (1977) (2)
On weakly compact and countably compact topological spaces (1957) (2)
A criterion for distributive lattices (1952) (2)
Characterization of polyethylene terephthalate films coated with thin AlxSi1 − xOy layers using monoenergetic positron beams (2014) (2)
On some ideals in BCK-algebras with condition (S) (1975) (2)
On(m,n)-antiideals in semigroup. (1962) (2)
Some properties of hypernormal spaces (1954) (2)
On Compact Semi-groups (1956) (2)
On axiom systems of propositional calculi, XXIII (1966) (2)
ON AN ALGEBRA OBTAINED FROM BCI (2003) (2)
Some problems of BCK-algebras and Griss type algebras (1982) (2)
Fixed point theorems in generalized complete metric spaces (1974) (2)
Axiom systems of Aristotle traditional logic (1967) (2)
A Variety of BCI-Algebras (1980) (2)
On Implicative BCK-Algebras (1976) (2)
ON J-ALGEBRAS (2006) (2)
On weakly compact topological spaces (1957) (2)
A simple characterization of Boolean rings (1968) (2)
A generalisation of a theorem of W. Sierpiński (1958) (1)
Generalizations of Kannan fixed point theorems (1974) (1)
On Griss algebra, I (1966) (1)
On the Lebesgue property in uniform spaces (2022) (1)
On a Theorem on Function Space of A. Grothendieck (1957) (1)
A Pentavalued Logic and its Algebraic Theory (1966) (1)
Countable compactness and quasi-uniform convergence (1960) (1)
New Characterisations of Compact Spaces (1958) (1)
On a Quasi-Uniformity of BCK-Algebras (1976) (1)
On the Existence of Quasi-Commutative BCI-Algebras (1980) (1)
Application of Zamfirescu's Fixed Point Theorem (1976) (1)
Axiom systems of distributive lattice (1970) (1)
Some Fundamental Theorems on BCK (2001) (1)
Common fixed point theorem of contraction mappings (1974) (1)
An algebraic formulation of $K-N$ propositional calculus (1966) (1)
On extension of semifield valued linear functionals (1968) (1)
Remarks on BCK-Alebras (1975) (1)
Notes on topological spaces, I. A theorem on uniform spaces (1956) (1)
Introduction of a Quasi-Uniformity on BCK-Algebras (1976) (1)
On Endomorphism with Fixed Element on Algebra (1964) (1)
General Theory of Mappings (1968) (1)
A note on compact space (1957) (1)
On Some Classes of BCK-Algebras (1977) (1)
Some three valued logics and its algebraic representations (1966) (1)
A characterization of the $NB$-system (1966) (1)
Some Topics from the Category of BCK-Algebras (1977) (1)
Order-bounded convergence structures on spaces of continuous functions (1979) (1)
A class of quasi-normed spaces (1960) (1)
On Ascoli-Arzela's Theorem for Metric Space over Topological Semifield (1965) (1)
On existence of linear functionals on abelian groups (1964) (1)
A Characterisation of Countably Compact Normal Space by AU-covering (1957) (1)
A theorem on existence of solution for functional equations. (1962) (1)
On adjoint maps between dual systems (1964) (1)
Fixed point theorems in complete metric spaces (1974) (0)
S. Kasahara's Mathematical works (1981) (0)
Review: Mircea Tirnoveanu, Elements of Mathematical Logic. Vol. 1. Logic of Bivalent Propositions (1974) (0)
Note onf BCK-Algebras with Condition (S) (1979) (0)
A WAY TO BCK AND RELATED SYSTEMS (2000) (0)
Algebraic formulation of propositional calculi with general detachment rule (1967) (0)
Gas barrier film of plastic (1997) (0)
On Quasiideals in Regular Semigroup:A Remark on S. Lajos' Note (1962) (0)
Mihăilescu Eugen. Les formes normales dans le calcul bivalent des propositions. French with Russian and English summaries. Analele Universitătii C. I. Parhon (Bucharest), seria Acta logica , vol. 2 (1959), pp. 201-227. (1971) (0)
On some nonlinear equation (1974) (0)
Configuration theorems in affine plane (1962) (0)
Epimorphisms of Categories of Various Topological Spaces (1975) (0)
An Ideal Characterization of a Positive Implicative Algebra (1976) (0)
On Regular Algebraic Systems A Note on Notes by Iseki , Kovacs (0)
A New Class of Griss Type Algebras (1978) (0)
A Note on Fixed Point and Common Fixed Point Theorems in 2-Metric Spaces (2008) (0)
To BCI from Subtractive Algebra (Clone Theory and Discrete Mathematics・Algebra and Logic Related to Computer Science) (2013) (0)
On subadditive functionals and linear functionals on abelian group (1964) (0)
On the Irrationality of the Sum of Some Infinite Series (1979) (0)
Polyamide film and polyamide composite film (1999) (0)
On Hacque T-mappings (1976) (0)
A Characterization of Implicative Algebras by NB-Structures (1980) (0)
On Bounded Positive Implicative Algebras with the Condition (s) (1977) (0)
Structures of BCI and Open Problems (Algebraic Systems, Formal Languages and Conventional and Unconventional Computation Theory) (2004) (0)
A Theorem on Periodic Points on d-convergent L-space (1975) (0)
On Implicative Ideals in BCK-Algebras (1978) (0)
Remarks of BCK-Algebras with Condition (S) (1978) (0)
A Theorem on Paracompact Spaces (1956) (0)
Some Examples of Griss Algebras (1978) (0)
A characterisation of compact metric spaces (1958) (0)
On Definitions of Griss Algebras (1978) (0)
On a conjecture of K. Nagami (1955) (0)
Topics on finite and countable infinite BCK (2007) (0)
On 2-Normed Spaces (Shape Theory and Topological Spaces) (1981) (0)
Some problems of BCk, BCI algebras (Algebraic Systems, Formal Languages and Computations) (2000) (0)
A fixed point theorem (1974) (0)
Remarks on Griss Algebras (1977) (0)
BCK-Algebras and its Homomorphisms (1977) (0)
On semifield valued functions (1970) (0)
On a theorem on commutative decompositions (1968) (0)
A fixed point theorem in strictly comvex Banach spaces (1974) (0)
On $AU$-property and countably compactness (1957) (0)
On BCK-Algebras with a Unary Operation (1979) (0)
On Finite Dimensional Quasi-norm Spaces (1959) (0)
On the classical propositional calculus of A. R. Anderson and N. D. Belnap (1967) (0)
A Note on the Variety of BCI-algebras of Type (1, 0; 0, 0) (1980) (0)
A SIMPLE NUMBER THEORETIC PROBLEM III (2009) (0)
Remarks on Contrapositionally Complemented BCK-Algebras (NB BCK-Algebras) (1979) (0)
A Remark on Pseudo-compact Spaces (1957) (0)
On Special Griss Albegras (1977) (0)
Topics on finite and countable infinite BCK (Algebraic Semigroups, Formal Languages and Computation) (2001) (0)
On extension of linear functional on abelian group (1964) (0)
On Almost Periodic Transformations on Metric Space over Topological Semifield (1965) (0)
Review: E. William Chapin, Gentzen-Like Systems for Partial Propositional Calculi (1975) (0)
On Almost Periodic Transformations on Uniform Spaces (1955) (0)
B C K - Algebras (1976) (0)
E. William ChapinJr., Gentzen-like systems for partial propositional calculi. Notre Dame journal of formal logic , vol. 12 (1971), pp. 75–80, and pp. 179–182. (1975) (0)
On the determination of all NB-structures on BCK-algebras (1980) (0)
The gas barrier film (1992) (0)
Some Problems on BCK-Algebras with Condition (S) (1978) (0)
On axioms of Boolean algebra (1972) (0)
A generalization of M. Edelstein fixed point theorem (1974) (0)
Algebraic formulations of propositional calculi with variable forming functors (1966) (0)
Some theorems in $B$-algebra, II (1966) (0)
Review: Eugen Mihailescu, Generalization of Some Normal Forms (1970) (0)
Non-Archimedean Banach Space Valued Almost Periodic Functions (1975) (0)
On Pairwise Contractivities of Mapping (1976) (0)
On Topogenous Structures on BCK-Algebras (1976) (0)
A new class of mapping : Stolz mappings (1974) (0)
A way to BCI (2004) (0)
Occupational-Physiological Study of Diver (1962) (0)
On the Class of BCK-Algebras (1978) (0)
A generalization of Petryshyn-Riggio-Singh's theorem (1974) (0)
On the Cut Operation in Gentzen Calculi (1956) (0)
Some Results on Positive Implicative BCK-Algebras (1979) (0)
ON DOUBLING ALGEBRAS (2008) (0)
On the Logarithmic Property of the Indices of Endomorphism on a Linear Space (1964) (0)
Improvement of gas barrier properties by combination of polymer film and gas barrier layer (2011) (0)
Remark on axioms of magnitudes (1974) (0)
On Ordinal Unions of BCK-Algebras (1980) (0)
Contribution to lattice theory (2022) (0)
A Note on the General Metrization Problem (1954) (0)
On Algebras of Griss Type (1978) (0)
On the conjugate mapping for quaternions (2022) (0)
On locally bounded functions (1959) (0)
On Bounded BCK-Algebras (II) (1975) (0)
On a theorem of W. Sierpiński and S. Ruziewicz (1958) (0)
Commutativity of some continuous magnitude (1960) (0)

This paper list is powered by the following services:

Kiyoshi Iséki's Academic­Influence.com Rankings

Kiyoshi Iséki's Degrees

Similar Degrees You Can Earn

Why Is Kiyoshi Iséki Influential?

Kiyoshi Iséki's Published Works

Published Works

Kiyoshi Iséki's AcademicInfluence.com Rankings