Person Image

    Education

    • B.Sc.Hons. (Mathematics), James Cook U.of North Queensland, ออสเตรเลีย, 2518
    • M.Sc. (Mathematics), The University of Adelaide, ออสเตรเลีย, 2521
    • Ph.D. (Mathematics), University of Illinois, สหรัฐอเมริกา, 2527

    Expertise Cloud

    additive functionarithmetic functionArithmetic functionsBrun's criterionCauchy's functional equationclosed form solutionscoefficientsComplete residue systemcontinued fractionsdecidabilityDirichlet seriesexponential polynomialsfactorizationfinite fieldfinite fieldsfunctional equationHyers-Ulam stabilityhyperbolic cotangent-tangent functionsImaginary quadratic fieldindependenceInteger-valued polynomialIterative functional equationsk-sequenceKummer’s congruenceLambert serieslattice pointLaurent polynomialsl-degree independencelengthlinear dependencelinear fractional transformationslinear recurrenceLinear recurring sequencelinear second order recurrence relationlinearly dependentLiouville numberLiouville numbersLiouville's estimateLogarithmiclogarithmic Cauchy functional equationlogarithmic functional equationLucas numbersLucas propertyMahler’s gap theorem.Mahler's methodmeasure of independenceminimum polynomialmonotone functionsmultiple of $\pi$Multiplicativemultiplicative and complete multiplicative functionsmultiplicative functionMultiplicative functionsmultiplicativitynecklacesnon-archimedean valuationnon-degenerate convex n-gonnon-integer basesnon-regular continued fractionNumber TheoryNumber TheoryOn the distribution of the r-full primitOppenheim series expansionsorderordered fieldsp-adic Cantor series expansionsp-adic exponential polynomialpartitions functionperiodic expansionPermanentpermutation polynomialsPexider equationspolynomialPolynomial sequencePolynomial sequencespolynomial-like iterative equationpolynomialspositive coefficientsPositivity problemq-cyclesQuadratic functional equationsrational numbersrational recursive equationsreciprocal sumsrecurrence sequencesRecurrent step equationsrecursion formularecursive equationsRegularity assumptionrestricted partition functionRing of integerRing of integersRoth’s theoremRuban continued fractionScheicher-Thuswaldner digit system.Souriau-Hsu-Mobius functionstabilitytribonacci numberstrigonometric functional equationTrigonometric functional equations

    Interest

    Number Theory, Classical Analysis

    Administrative Profile


      Resource

      • จำนวนหน่วยปฏิบัติการที่เข้าร่วม 0 หน่วย
      • จำนวนเครื่องมือวิจัย 0 ชิ้น
      • สถานที่ปฏิบัติงานวิจัย
        • ห้อง common room ชั้น 12 อาคารคณะวิทย์ 45 ปี

      งานวิจัยในรอบ 5 ปี

      Project

      งานวิจัยที่อยู่ระหว่างการดำเนินการ
      • ทุนใน 2 โครงการ (ที่ปรึกษาโครงการ 2 โครงการ)
      • ทุนนอก 0 โครงการ
      งานวิจัยที่เสร็จสิ้นแล้ว
      • ทุนใน 3 โครงการ (หัวหน้าโครงการ 2 โครงการ, ผู้ร่วมวิจัย 1 โครงการ)
      • ทุนนอก 8 โครงการ (หัวหน้าโครงการ 3 โครงการ, ผู้ร่วมวิจัย 5 โครงการ)

      แนวโน้มผลงานทั้งหมดเทียบกับแนวโน้มผลงานในรอบ 5 ปี

      Output

      • บทความ 175 เรื่อง (ตีพิมพ์ในวารสารวิชาการ 133 เรื่อง, นำเสนอในการประชุม/สัมมนา 42 เรื่อง)

      แนวโน้มการนำผลงานไปใช้ประโยชน์ในด้านต่างๆ

      Outcome

      • การนำผลงานไปใช้ประโยชน์ 2 เรื่อง (เชิงวิชาการ 2 เรื่อง, เชิงนโยบาย/บริหาร 0 เรื่อง, เชิงสาธารณะ 0 เรื่อง, เชิงพาณิชย์ 0 เรื่อง)

      รางวัลที่ได้รับ

      Award

      • รางวัลที่ได้รับ 5 เรื่อง (ประกาศเกียรติคุณ/รางวัลนักวิจัย 4 เรื่อง, รางวัลผลงานวิจัย/สิ่งประดิษฐ์ 1 เรื่อง, รางวัลผลงานนำเสนอในการประชุมวิชาการ 0 เรื่อง)

      นักวิจัยที่มีผลงานงานร่วมกันมากที่สุด 10 คนแรก

      Person Relation

      Show All (135)

      Scopus h-index

      #Document titleAuthorsYearSourceCited by
      1On the sum of reciprocals of numbers satisfying a recurrence relation of order sKomatsu T., Laohakosol V.2010Journal of Integer Sequences
      13(5),pp. 1-9
      16
      2Positivity of third order linear recurrence sequencesLaohakosol V., Tangsupphathawat P.2009Discrete Applied Mathematics
      157(15),pp. 3239-3248
      15
      3A characterization of rational numbers by p-adic ruban continued fractionsLaohakosol V.1985Journal of the Australian Mathematical Society
      39(3),pp. 300-305
      13
      4P-adic continued fractions of liouville typeLaohakosol V., Ubolsri P.1987Proceedings of the American Mathematical Society
      101(3),pp. 403-410
      11
      5A generalization of poly-Cauchy numbers and their propertiesKomatsu T., Laohakosol V., Liptai K.2013Abstract and Applied Analysis
      2013
      11
      6Independence measures of arithmetic functionsKomatsu T., Laohakosol V., Ruengsinsub P.2011Journal of Number Theory
      131(1),pp. 1-17
      7
      7Dependence of arithmetic functions and dirichlet seriesLaohakosol V.1992Proceedings of the American Mathematical Society
      115(3),pp. 637-645
      7
      8Characterizing completely multiplicative functions by generalized möbius functionsLaohakosol V., Pabhapote N., Wechwiriyakul N.2002International Journal of Mathematics and Mathematical Sciences
      29(11),pp. 633-639
      7
      9Exact solutions of iterative functional differential equationsCheng S., Talwong S., Laohakosol V.2006Computing (Vienna/New York)
      76(1-2),pp. 67-76
      6
      10Properties of rational arithmetic functionsLaohakosol V., Pabhapote N.2005International Journal of Mathematics and Mathematical Sciences
      2005(24),pp. 3997-4017
      5
      11Ramanujan sums via generalized Möbius functions and applicationsLaohakosol V., Ruengsinsub P., Pabhapote N.2006International Journal of Mathematics and Mathematical Sciences
      2006
      5
      12Stability of a generalized trigonometric functional equationTongsomporn J., Laohakosol V., Laohakosol V., Hengkrawit C., Udomkavanich P.2010Journal of Computational and Applied Mathematics
      234(5),pp. 1448-1457
      5
      13Two types of explicit continued fractionsRiyapan P., Laohakosol V., Chaichana T.2006Periodica Mathematica Hungarica
      52(2),pp. 51-72
      4
      14Observations about algebraic dependence of Dirichlet seriesRuengsinsub P., Laohakosol V., Udomkavanich P.2005Journal of the Korean Mathematical Society
      42(4),pp. 695-708
      3
      15Independence of continued fractions in the field of Laurent seriesChaichana T., Laohakosol V.2007Periodica Mathematica Hungarica
      55(1),pp. 35-59
      3
      16Power function solutions of iterative functional differential EquationsTalwong S., Laohakosol V., Cheng S.2004Applied Mathematics E - Notes
      4,pp. 160-163
      3
      17Bases for integer-valued polynomials in a Galois fieldLaohakosol V.1998Acta Arithmetica
      87(1),pp. 13-26
      3
      18Liouville numbers in the non-archimedean caseChaichana T., Chaichana T., Komatsu T., Laohakosol V.2010Publicationes Mathematicae
      77(1-2),pp. 39-63
      3
      19Rational recursive equations characterizing cotangent-tangent and hyperbolic cotangent-tangent functionsHengkrawit C., Laohakosol V., Udomkavanich P.2010Bulletin of the Malaysian Mathematical Sciences Society
      33(3),pp. 421-428
      3
      20The irrationality criteria of Brun and Badea are essentially equivalentLaohakosol V., Kuhapatanakul K.2008AIP Conference Proceedings
      976,pp. 144-159
      3
      21Iterates of increasing sequences of positive integersLaohakosol V., Yuttanan B.2014Aequationes Mathematicae
      87(1-2),pp. 89-103
      3
      22Functional equations characterizing the tangent function over a convex polygonHengkrawit C., Laohakosol V., Laohakosol V., Ponpetch K.2014Aequationes Mathematicae
      88(3),pp. 201-210
      3
      23Irrationality criteria for infinite products*Laohakosol V., Kuhapatanaku K.2011Frontiers of Combinatorics and Number Theory
      ,pp. 49-58
      3
      24Some algebraically independent continued fractionsLaohakosol V., Ubolsri P.1985Proceedings of the American Mathematical Society
      95(2),pp. 169-173
      3
      25Independence measures of arithmetic functions IIKomatsu T., Laohakosol V., Laohakosol V., Ruengsinsub P.2012Acta Arithmetica
      153(2),pp. 199-216
      3
      26The positivity problem for fourth order linear recurrence sequences is decidableTangsupphathawat P., Punnim N., Laohakosol V., Laohakosol V.2012Colloquium Mathematicum
      128(1),pp. 133-142
      3
      27Some logarithmic functional equationsLaohakosol V., Pimsert W., Hengkrawit C., Ebanks B.2012Archivum Mathematicum
      48(3),pp. 173-181
      2
      28A note on the stability of a generalized trigonometric functional equationHengkrawit C., Laohakosol V., Laohakosol V., Tongsomporn J.2010AIP Conference Proceedings
      1309,pp. 909-914
      2
      29Minimal polynomials of algebraic cosine values at rational multiples of πTangsupphathawat P., Laohakosol V.2016Journal of Integer Sequences
      19(2)
      2
      30Values taken by linear combinations of cosine functionsLaohakosol V., Tangsupphathawat P., Dangskul S.2010Applied Mathematics E - Notes
      10,pp. 184-190
      2
      31Expansions of real numbers in non-integer basesChunarom D., Laohakosol V.2010Journal of the Korean Mathematical Society
      47(4),pp. 861-877
      2
      32Distributive property of completely multiplicative functionsPabhapote N., Laohakosol V.2010Lithuanian Mathematical Journal
      50(3),pp. 312-322
      2
      33Reciprocal sums of generalized second order recurrence sequencesLaohakosol V., Kuhapatanakul K.2008Fibonacci Quarterly
      46-47(4),pp. 316-325
      2
      34A modification of Fitzgerald's characterization of primitive polynomials over a finite fieldLaohakosol V., Pintoptang U.2008Finite Fields and their Applications
      14(1),pp. 85-91
      2
      35Lengths, periods and expansions of elements written with respect to a digit system over Fq [x]Laohakosol V., Pintoptang U.2008Finite Fields and their Applications
      14(1),pp. 142-158
      2
      36Functions with constant sums over a hyperplane and applicationsPonpetch K., Mavecha S., Laohakosol V.2019Publications de l'Institut Mathematique
      105(119),pp. 65-80
      2
      37Truncated euler-carlitz numbersKomatsu T., Laohakosol V., Tangsupphathawat P.2019Hokkaido Mathematical Journal
      48(3),pp. 569-588
      2
      38Applications of p-adic interpolation to exponential polynomials and sums of powersLaohakosol V., Laohakosol V.1981Journal of the Australian Mathematical Society
      30(4),pp. 419-437
      2
      39A system of functional equations satisfied by components of a quadratic function and its stabilityPonpetch K., Laohakosol V., Mavecha S.2019Bulletin of the Australian Mathematical Society
      100(2),pp. 304-316
      1
      40Unitary convolution and generalized möbius functionYangklan P., Ruengsinsub P., Laohakosol V.2017Current Applied Science and Technology
      17(1),pp. 1-12
      1
      41Arithmetic functions and their linear dependencePonpetch K., Laohakosol V., Mavecha S.2017AIP Conference Proceedings
      1905
      1
      42Prime elements and irreducible polynomials over some imaginary quadratic fieldsSingthongla P., Kanasri N., Laohakosol V.2017Kyungpook Mathematical Journal
      57(4),pp. 581-600
      1
      43A characterization of rational numbers by p-adic Sylvester series expansionsLaohakosol V., Kanasri N.2007Acta Arithmetica
      130(4),pp. 389-402
      1
      44p-adic transformsLaohakosol V., Surakampontorn W.1984Electronics Letters
      20(18),pp. 726-727
      1
      45A characterization of rational elements by Lüroth-type series expansions in the p-adic number field and in the field of Laurent series over a finite fieldLaohakosol V., Rompurk N.2006Acta Arithmetica
      122(2),pp. 195-205
      1
      46Completely multiplicative functions arising from simple operationsLaohakosol V., Pabhapote N.2004International Journal of Mathematics and Mathematical Sciences
      2004(9),pp. 431-441
      1
      47Entire function solutions of a system of two recurrent step equationsLaohakosol V., Rungrottheera W.2007Journal of Mathematical Analysis and Applications
      335(1),pp. 280-297
      1
      48Combinatorial aspects of the generalized Euler's totientPabhapote N., Laohakosol V.2010International Journal of Mathematics and Mathematical Sciences
      2010
      1
      49A universal Cauchy functional equation over the positive realsLaohakosol V., Laohakosol V., Pimsert W.2011Journal of Mathematical Analysis and Applications
      375(2),pp. 777-789
      1
      50Symmetric continued fractionsPanprasitwech O., Laohakosol V., Chaichana T.2010AIP Conference Proceedings
      1309,pp. 745-750
      1
      51An arithmetic property of the taylor coefficients of analytic functions with an application to transcendental numbersLaohakosol V., Laohakosol V.1985Proceedings of the American Mathematical Society
      93(2),pp. 212-214
      1
      52A factorization theorem for generalized exponential polynomials with infinitely many integer zerosPhuksuwan O., Laohakosol V., Laohakosol V.2011Acta Mathematica Academiae Paedagogicae Nyiregyhaziensis
      27(2),pp. 211-221
      1
      53Values of sequences of purely periodic functionsDangskul S., Laohakosol V., Laohakosol V., Tangsupphathawat P.2012Applied Mathematics E - Notes
      12,pp. 5-13
      0
      54Consequences of a Factorization Theorem for Generalized Exponential Polynomials with Infinitely Many Integer ZerosPhuksuwan O., Laohakosol V.2013Springer Proceedings in Mathematics and Statistics
      43,pp. 245-252
      0
      55Asymptotic expansions of iterates of some classical functionsMavecha S., Laohakosol V.2013Applied Mathematics E - Notes
      13,pp. 77-91
      0
      56On convergents of certain values of hyperbolic functions formed from diophantine equationsChaichana T., Komatsu T., Laohakosol V.2013Tokyo Journal of Mathematics
      36(1),pp. 147-161
      0
      57An analogue of an expansion of Oppenheim in a field of formal seriesRattanamoong J., Laohakosol V., Chaichana T.2010AIP Conference Proceedings
      1309,pp. 786-792
      0
      58Independence of Liouville seriesChaichana T., Laohakosol V., Komatsu T.2010AIP Conference Proceedings
      1309,pp. 200-205
      0
      59A universal cauchy functional equation over the positive reals IILaohakosol V., Pimsert W.2010AIP Conference Proceedings
      1309,pp. 623-628
      0
      60Solutions of a class of nonlinear recursive equations and applicationsHengkrawit C., Laohakosol V., Laohakosol V., Pimsert W.2011ScienceAsia
      37(2),pp. 136-144
      0
      61Some families of Diophantine quadruplesPrugsapitak S., Laohakosol V.2011ScienceAsia
      37(2),pp. 152-159
      0
      62Hyers-Ulam stability of a generalized trigonometric-quadratic functional equationHengkrawit C., Laohakosol V., Laohakosol V., Tongsomporn J.2011International Conference on Applied and Computational Mathematics
      ,pp. 127-132
      0
      63Entire function solutions of a system of two recurrent step equations with exponential polynomial coefficientsLaohakosol V., Rungrottheera W.2011Journal of Difference Equations and Applications
      17(11),pp. 1695-1710
      0
      64Coefficients of Differentially Algebraic SeriesLaohakosol V., Kongsakorn K., Ubolsri P.1990Journal of the Australian Mathematical Society
      48(3),pp. 402-412
      0
      65Characterizations of additive functionsLaohakosol V., Tangsupphathawat P.2016Lithuanian Mathematical Journal
      56(4),pp. 518-528
      0
      66Solutions of some particular pexiderized digital filtering functional equationHengkrawit C., Laohakosol V., Naenudorn K.2016Annales Mathematicae et Informaticae
      46,pp. 77-96
      0
      67Polynomials with only real zerosSrimud K., Tadee S., Laohakosol V.2016Malaysian Journal of Mathematical Sciences
      10,pp. 61-68
      0
      68Polynomials with generalized Fibonacci number coefficientsSitthaset A., Laohakosol V., Mavecha S.2017AIP Conference Proceedings
      1905
      0
      69Some quadratic irrationals with explicit continued fraction and Engel series expansionsKanasri N., Kanasri N., Laohakosol V., Changphas T., Changphas T.2015Studia Scientiarum Mathematicarum Hungarica
      52(3),pp. 316-336
      0
      70Dirichlet series solutions of generalized Riccati equationsLaohakosol V., Phuksuwan O., Prathom K.2015European Journal of Mathematics
      1(1),pp. 170-185
      0
      71A remark about the positivity problem of fourth order linear recurrence sequencesLaohakosol V., Tangsupphathawat P.2014Acta et Commentationes Universitatis Tartuensis de Mathematica
      18(1),pp. 3-8
      0
      72Stability of a generalized trigonometric-quadratic functional equationTongsomporn J., Laohakosol V.2013Journal of Function Spaces and Applications
      2013
      0
      73Linear dependence of two arithmetic functionsRuengsinsub P., Laohakosol V.2010AIP Conference Proceedings
      1309,pp. 799-804
      0
      74Quasi-permutation polynomialsLaohakosol V., Janphaisaeng S.2010Czechoslovak Mathematical Journal
      60(2),pp. 457-488
      0
      75Square-full primitive roots in arithmetic progressionsLaohakosol V., Srichan T., Tangsupphathawat P.2020Moscow Journal of Combinatorics and Number Theory
      9(2),pp. 187-202
      0
      76Square-full primitive roots in short intervalsTangsupphathawat P., Srichan T., Laohakosol V.2020Rad Hrvatske Akademije Znanosti i Umjetnosti, Matematicke Znanosti
      24(542),pp. 39-48
      0
      77A generalization of Liouville's theorem on integration in finite termsLeerawat U., Laohakosol V.2002Journal of the Korean Mathematical Society
      39(1),pp. 13-30
      0
      78Cauchy's functional equation in restricted complex domainsPimsert W., Laohakosol V., Pianskool S.2006International Journal of Mathematics and Mathematical Sciences
      2006
      0
      79A combinatorial generalization of the gcd-sum function using a generalized Möbius functionLaohakosol V., Tangsupphathawat P.2017Annales Mathematicae et Informaticae
      47,pp. 141-148
      0
      80Iterative roots of some functionsMavecha S., Laohakosol V., Yuttanan B.2018Turkish Journal of Mathematics
      42(3),pp. 819-840
      0
      81Bounds on the lengths of certain series expansionsTongron Y., Kanasri N., Laohakosol V.2018Journal of Physics: Conference Series
      1132(1)
      0
      82Two Properties of Pseudo-Polynomials over a Galois FieldMeesa R., Laohakosol V., Chaichana T., Yuttanan B.2018Journal of Physics: Conference Series
      1132(1)
      0
      83A stability result about a functional equation of Drygas on an Abelian groupTongsomporn J., Laohakosol V.2018Journal of Physics: Conference Series
      1132(1)
      0
      84Solution of a general pexiderized permanental functional equationLaohakosol V., Suriyacharoen W.2019Proceedings of the Indian Academy of Sciences: Mathematical Sciences
      129(1)
      0
      85Minimal polynomials of algebraic cosine values, IITangsupphathawat P., Komatsu T., Laohakosol V.2018Journal of Integer Sequences
      21(9)
      0
      86Polynomial whose values at the integers are n-th power of integers in a quadratic fieldTongsomporn J., Laohakosol V.2017Current Applied Science and Technology
      17(1),pp. 13-21
      0
      87Independence of additive, multiplicative, exponential and logarithmic functionsPonpetch K., Laohakosol V., Mavecha S.2019Aequationes Mathematicae
      93(5),pp. 875-904
      0
      88Lower bound for p-adic exponential polynomials evaluated at some integer pointsLaohakosol V., Sripayap A.2018Current Applied Science and Technology
      18(2),pp. 66-74
      0
      89Sequences generated by polynomials over integral domainsKim V., Laohakosol V., Prugsapitak S.2019Walailak Journal of Science and Technology
      16(9),pp. 625-633
      0
      90The continued fractions of certain exponentialsDoemlim P., Laohakosol V., Tongsomporn J.2019Walailak Journal of Science and Technology
      16(9),pp. 615-624
      0
      91The generalized k-sequenceKuhapatanakul K., Laohakosol V.2019Journal of Discrete Mathematical Sciences and Cryptography
      22(6),pp. 943-952
      0
      92Functional equations characterizing the sine and cosine functions over a convex polygonPonpetch K., Laohakosol V., Mavecha S.2019Applied Mathematics E - Notes
      19,pp. 277-287
      0
      93Linear dependence of four types of arithmetic functionsPonpetch K., Laohakosol V., Mavecha S.2019Songklanakarin Journal of Science and Technology
      41(6),pp. 1328-1338
      0
      94A circulant functional equation for the additive function and its stabilityLaohakosol V., Pimsert W., Ponpetch K.2019Turkish Journal of Mathematics
      43(6),pp. 2821-2832
      0
      95The depth of continued fraction expansion for some classes of rational functionsTongron Y., Kanasri N.R., Laohakosol V.2020Asian-European Journal of Mathematics
      0
      96A class of continuous solutions of a fourth order polynomiallike iterative equationThangroongvongthana S., Laohakosol V., Mavecha S.2021Current Applied Science and Technology
      21(3),pp. 495-523
      0
      97Integer factorization and finite Fourier series expansionYangklan P., Laohakosol V., Mavecha S.2021Lithuanian Mathematical Journal
      0
      98Integer-valued polynomials satisfying the Lucas propertyMeesa R., Laohakosol V., Chaichana T.2021Turkish Journal of Mathematics
      45(3),pp. 1459-1478
      0
      99Degree of independence of numbersRattanamoong J., Laohakosol V.2021Mathematica Slovaca
      71(3),pp. 615-626
      0
      100New recursion formulas for the partition functionSrichan T., Pimsert W., Laohakosol V.2021Journal of Integer Sequences
      24(6)
      0
      101CONSECUTIVE SQUARE-FREE NUMBERS in PIATETSKI-SHAPIRO SEQUENCESTangsupphathawat P., Srichan T., Laohakosol V.2021Bulletin of the Australian Mathematical Society
      0
      102Arithmetic Functions, Convolution and Finite Fourier SeriesLaohakosol V.2022Lecture Notes in Networks and Systems
      214,pp. 73-97
      0
      103PrefaceSrivastava P., Thakur S.S., Oros G.I., Aljarrah A.A., Laohakosol V.2022Lecture Notes in Networks and Systems
      214,pp. v-viii
      0
      104Transcendental Numbers Arising from Mahler’s MethodWananiyakul S., Laohakosol V., Tongsomporn J.2022Lecture Notes in Networks and Systems
      214,pp. 111-120
      0