International Journal of Biological Engineering

International Journal of Biological Engineering is an international peer-reviewed multidisciplinary journal publishing original scientific research in all fields of biological pharmacy. Original research work that contributes significantly to further the scientific knowledge in biological pharmacy will be appreciated.


Rupšys Petras

Editorial Board Member of International Journal of Biological Engineering

Professor, Aleksandras Stulginskis University, Lithuania

Research Areas

Biomathematics, Stochastic Differential Equations

Education

1976-1979DoctorVilnius University, Lithuania
1970-1975MasterVilnius University, Lithuania

Experience

1999-presentThe Royal Veterinary and Agriculture University, Copenhagen, Denmark, worked on the modelling of biological systems and took classes on the aspect of system ecology at postgraduate level

Publications: Conferences/Workshops/Symposiums/Journals/Books

[1]  Rupšys, Petras; Petrauskas, Edmundas. Analysis of height curves by stochastic differential equations//International Journal of Biomathematics. ISSN 1793-5245. (2011) DOI No: 10.1142/S1793524511001878. [Science Citation Index Expanded (Web of Science); Biological Abstracts; BIOSIS Preview]. [Citav. rod.: 1,667]
[2]  Petrauskas, Edmundas; Rupšys, Petras; Memgaudas, Romas. q-exponential Variable-form of a Stem Taper and Volume Model for Scots Pine (Pinus sylvestris L.) in Lithuania//Baltic Forestry. ISSN 1392-1355. Vol. 17, N 1 (2011). (in press) [Science Citation Index Expanded (Web of Science); Zoological Record (Thompson ISI); VINITI; CAB abstracts]. [Citav. rod.: 0,2]
[3]  Petrauskas, Edmundas; Rupšys, Petras. Volume modeling of individual trees using stochastic differential equations and trivariate copula//International Proceedings of Computer Science and Information Technology. ISSN: 2010-460X. vol. 7 (2011) p. 258-263. [ISI Proceedings (Web of Science): ACM]
[4]  Rupšys, Petras; Bartkevičius, Edmundas; Petrauskas, Edmundas. A univariate stochastic Gompertz model for tree diameter modeling//Trends in Applied Sciences Research. New York. ISSN 1819-3579. 2011, 6, p. 134-153. [Zoological Record (Thompson ISI); CAB Abstracts]
[5]  Rupšys, Petras; Petrauskas, Edmundas. The Bivariate Gompertz Diffusion Model for Tree Diameter and Height Distribution//Forest Science. ISSN 0015-749X. Vol. 56, N 3 (2010), p. 271-280. [Science Citation Index Expanded (Web of Science); AGRICOLA (National Agriculture Library); Biological Abstracts BIOSIS); CAB Abstracts (Agroforestry Abstracts, Agricultural Engineering Abstracts, Forestry Abstracts, Forest Products Abstracts, Forest Science Database, Soil Science Database); Current Contents (Agriculture, Biology and Environmental Sciences); Elsevier BIOBASE/Current Awareness in Biological Sciences (CABS); EMBiology; Environmental Abstracts; Ingenta; Scopus; STMA (Statistical Theory & Method Abstracts); Wildlife Reviews/Fisheries Reviews]. [Citav. rod.: 1,444]
[6]  Rupšys, Petras; Petrauskas, Edmundas. Quantifying tree diameter distributions with one-dimensional diffusion processes//Journal of Biological Systems. ISSN 0218-3390. Vol. 18, iss. 1 (2010), p. 205-221. [Science Citation Index Expanded (Web of Science); ISI Alerting Services; Environment Abstracts; CSA Biochemistry Abstracts; CSA Microbiology Abstracts; CSA Neurosciences Abstracts; CSA Pollution Abstracts; CSA Aquatic Sciences and Fisheries Abstracts (ASFA); Biological Abstracts; BIOSIS Preview; Chemical Abstracts Service; Zentralblatt MATH; INSPEC; Mathematical Reviews ; Scopus]. [Citav. rod.: 0,522]
[7]  Rupšys, Petras; Petrauskas, Edmundas. Development of q-exponential models for tree height, volume and stem profile//International Journal of the Physical Sciences. ISSN 1992-1950. Vol. 5(15), (18 November 2010), p. 2369-2378. [Science Citation Index Expanded (Web of Science)]. [Citav. rod.: 0,554]
[8]  Petrauskas, Edmundas; Rupšys, Petras. General q-exponential Model for Tree Height, Volume and Stem Profile//Latest rends on systems: 14th WSEAS International Conference on SYSTEMS, Corfu Island, Greece July 22-24, 2010: Part of the 14th WSEAS CSCC Multiconference: Volume II Corfu: Published by WSEAS Press. ISSN 1792-4235. 2010, p. 555-560. [ISI Proceedings (Web of Science): ACM; SCOPUS]
[9]  Petrauskas, Edmundas; Rupšys, Petras. Investigation of Tree Diameter and Volume Increments using Stochastic Differential Equations//Latest rends on systems: 14th WSEAS International Conference on SYSTEMS, Corfu Island, Greece July 22-24, 2010: Part of the 14th WSEAS CSCC Multiconference: Volume II Corfu: Published by WSEAS Press. ISSN 1792-4235.. 2010, p. 561-566. [ISI Proceedings (Web of Science); ACM; SCOPUS]
[10]  Petrauskas, Edmundas; Rupšys, Petras. Age-varying bivariate distribution models for growth prediction//Mathematical models for engineering science: International conference on mathematical models for engineering science (MMES'10), Puerto De La Cruz, Tenerife, November 30-December 2, 2010. Puerto De La Cruz: Published by WSEAS Press. ISSN 1792-6734. 2010, p. 250-255. ISI Proceedings (Web of Science); ACM; SCOPUS]
[11]  Rupšys, Petras; Petrauskas, Edmundas. Forest Harvesting Problem in the Light of the Information Measures//Trends in Applied Sciences Research. New York. ISSN 1819-3579. 2009, 4(1), p. 25-35. [Zoological Record (Thompson ISI); CAB Abstracts]
[12]  Rupšys, Petras. Time delay stochastic growth laws in single-species population modeling//Advanced topics on mathematical biology and ecology: Proceedings of the 4th WSEAS International Conference on MATHEMATICAL BIOLOGY and ECOLOGY (MABE'08), Acapulco, Mexico, January 25-27, 2008. ISSN 1790-2769. 2008, p. 29-34. [ISI Proceedings (Web of Science); ACM]
[13]  Petrauskas, Edmundas; Rupšys, Petras; Memgaudas, Romas; Bosas, Giedrius. Pagrindinių lietuvos medžių rūsių žievės storio modeliai//Miškininkystė. ISSN 1392-2041. 2009, Nr. 2(66), p. 25-41. [CAB Abstracts] (In Lithuanian).
[14]  Rupšys, Petras; Kaminskienė, Janina; Petrauskas, Edmundas; Raškinienė, Dana. On Goodness-of-Fit Tests for Tree Diameter Probality Models//Vagos. ISSN 1648-116X. Nr. 81 (34) (2008), p. 122-128. [CAB Abstracts]
[15]  Rupšys, Petras. Stationary Densities and Parameter Estimation for Delayed Stochastic Logistic Growth Laws with Application in Biomedical Studies//WSEAS transactions on biology and biomedicine. Townsville. ISSN 1109-9518. 2008, Iss.6, vol. 5, p. 117-132. [Inspec, Scopus; ACM]
[16]  Rupšys, Petras; Petrauskas, Edmundas; Mažeika, Juozapas; Deltuvas, Romualdas. The Gompertz Type Stochastic Growth Law and a Tree Diameter Distribution//Baltic Forestry. ISSN 1392-1355. Vol. 13, N 2 (2007), p. 197-206. [Science Citation Index Expanded (Web of Science); Zoological Record (Thompson ISI); VINITI; CAB abstracts]
[17]  Rupšys, Petras. The Relationships between the Diameter Growth and Distribution Laws//WSEAS transactions on biology and biomedicine. Townsville. ISSN 1109-9518. 2007, Iss.11, vol. 4, p. 142-161. [Inspec, Scopus: ACM]
[18]  Rupšys, Petras. Estimation of parameters for the stochastic linear delay growth law through the L1 distance procedure//Lietuvos matematikos rinkinys. Vilnius: Matematikos ir informatikos institutas. ISSN 0132-2818. 2006, T. 46, spec. Nr, p. 397-404. [MatSciNet]
[19]  Rupšys, Petras. Information measures for the stochastic Gompertz growth model//Lietuvos matematikos rinkinys: Lietuvos matematikų draugijos darbai Vilnius. ISSN 0132-2818. 2008, T. 48/49, p. 48-53.
[20]  Rupšys, Petras; Kaminskienė, Janina; Petrauskas, Edmundas; Raškinienė, Dana. The generalized Lorenz curve and tree diameter probability models//Sixth Nordic-Baltic agrometrics conference, Kaunas, Lithuania, June 18-20, 2008 : Conference proceedings/Lietuvos žemės ūkio universitetas. Fundamentinių mokslų studijų institutas. Matematikos katedra Akademija. ISBN 9789955896616. 2008, p. 29-35
[21]  Rupšys, Petras; Petrauskas, Edmundas. A new fitting technique for modelling tree diameter distribution//Fifth Nordic-Baltic Agrometrics Conference Otepää, Estonia, June 15-17, Conference report. Uppsala : SLU. ISSN 1653-8285. 2006, Report 1, p. 123-129
[22]  Rupšys, Petras; Raškinienė, Dana. Application of stochastic logistic laws and density mixtures to stand growth analysis//Fifth Nordic-Baltic Agrometrics Conference Otepää, Estonia, June 15-17, Conference report. Uppsala : SLU. ISSN 1653-8285. 2006, Report 1, p. 115-121
[23]  Rupšys, Petras. Estimation of goodness of fit tests for tree diameter probability models//Biometrija ir informacinės technologijos žemės ūkyje: tyrimai ir plėtra: tarptautinės antrosios mokslinės konferencijos medžiaga, 2006 m. lapkričio 24-25 d.=Biometrics and information technologies in agriculture: research and development: proceedings of the second international scientific conference, november 24-25, 2006. Akademija. ISSN 1822-5977. 2006, p. 84-88