Olha Kossak · scientist
Logic and discovery
Academic portrait
Mathematics was her enduring professional language.
Olha Kossak worked at the Faculty of Applied Mathematics and Informatics of Lviv University, where she taught and developed learning materials. Her bibliography covers continuum mechanics, computer graphics, differential systems and elliptic curves.
The index includes only records where the full name or initials, affiliation, subject area and verified circle of co-authors align.
- Degree
- Candidate of Physical and Mathematical Sciences (PhD equivalent)
- Position
- Associate Professor of Applied Mathematics
- Scopus Author ID
- 6507773018
Academic environment
Universities and international links
- 01
Ivan Franko National University of Lviv
Training, many years of scientific and teaching work, publication of educational materials.
- 02
National and Kapodistrian University of Athens
Textbook co-authorship and academic contacts documented by university records and publications.
3 sources
- Lviv Regional Universal Scientific Library: "Computer Graphics"Tier A · institutional or primary↗Opens in a new tab
- Ivan Franko National University of Lviv: Authors of "Computer Graphics" and Athenian affiliationTier A · institutional or primary↗Opens in a new tab
- Monash Research Portal: Generalized regular differential systemsTier A · institutional or primary↗Opens in a new tab
- 03
Aristotle University of Thessaloniki
Named as a Thessaloniki partner in a 2011 biographical interview; the form of cooperation has not yet been documented.
Academic bibliography
Papers and teaching publications
This register does not claim to be a complete personal bibliography; the full departmental list still needs to be checked with Lviv University.
Mechanics and modelling
Verified
Numerical Solution of Free-Vibration Problems for Composite Axisymmetric Bodies · original: “Численное решение задач о свободных колебаниях составных осесимметричных тел”
Abstract of the candidate's dissertation, specialty 05.13.16, 19 pages.
Verified
Analysis of free oscillations of elastic constructions on the basis of a combined mathematical model
Ya. Savula, O. Kossak. Reports of the Academy of Sciences of Ukraine, No. 8, pp. 69–74. Record restored according to the bibliography of a later specialized article.
Verified
Numerical modeling of free oscillations of elastic bodies with a thin coating · original: “Чисельне моделювання вільних коливань пружних тіл з тонким покриттям”
I. Savula, O. Kossak. Mathematical Methods and Physico-Mechanical Fields, 42(1), pp. 118–124.
Verified
Stress-Strain Analysis of Elastic Bodies Based on a Heterogeneous Mathematical Model
Ya. Hryhorenko, Ya. Savula, O. Kossak. International Applied Mechanics, 36(12), pp. 1595–1604. DOI 10.1023/A:1011387813517.
Verified
Numerical Simulation of Free Oscillations of Elastic Bodies with a Thin Coating
Ya. Savula, O. Kossak. Journal of Mathematical Sciences, 109(1). DOI 10.1023/A:1013765232115.
Verified
Guidelines for Solving Problems in Continuum Mechanics · original: “Методичні рекомендації до розв’язування задач механіки суцільного середовища”
I. Mukha, O. Kossak. 2nd corrected edition, Ivan Franko National University of Lviv, 60 pages.
Verified
Numerical study of the natural frequencies of shell structures taking into account the initial stressed state · original: “Числове дослідження власних частот оболонкових конструкцій з урахуванням початкового напруженого стану”
Ya. Savula, O. Kossak, A. Torsky. Bulletin of TSTU, 8(3), pp. 43–47.
Computer graphics and education
Verified
CorelDRAW 8: A Virtual World of Colour · original: “CorelDRAW 8 — віртуальний кольоровий світ”
O. Kossak, P. Vengerskyi. Educational publication. Lviv: BaK, 142 p.
Verified
The magical world of Photoshop · original: “Чарівний світ Photoshop”
Olha Kossak, Orest Kossak. Lviv: BaK, 248 p. ISBN 966-7065-55-3.
Verified
Introduction to Web Page Design. Parts 1–2 · original: “Вступ до проектування Web-сторінок. Частини 1–2”
O. Kossak, L. Diakoniuk. Two sets of methodological materials of Ivan Franko National University of Lviv, 45 and 65 pages.
Verified
Computer graphics · original: “Комп’ютерна графіка”
Olha Kossak, Marilena Mitrouli, Nikos Tselikas. Textbook. Ivan Franko National University of Lviv, 205 pp. ISBN 978-966-613-719-0.
Requires final verification
Vector graphics in cartography · original: “Векторна графіка у картографуванні”
H. R. Bairak, O. S. Kossak. Teaching and methodological manual. Lviv: Ivan Franko National University of Lviv, 80 pages. The complete PDF and syllabus confirm the publication; the identification of O. S. Kossak in the catalogue should still be verified.
3 sources
- Ivan Franko National University of Lviv: "Vector graphics in cartography"Tier A · institutional or primary↗Opens in a new tab
- Ivan Franko National University of Lviv: Full text of "Vector Graphics in Cartography"Tier A · institutional or primary↗Opens in a new tab
- Ivan Franko National University of Lviv: Syllabus with "Vector Graphics…" in main literatureTier A · institutional or primary↗Opens in a new tab
Differential systems
Verified
Pole assignment for first order linear systems by constant output feedback
G. Kalogeropoulos, O. Kossak, N. Papachristopoulos, G. Pantazopoulos. 26th IASTED MIC, paper 550-080.
Verified
Generalized regular differential systems with distributed delay
G. Kalogeropoulos, O. Kossak, A. Pantelous. Systems Science, 34(1), pp. 15–22.
Verified
Study of degenerate systems of differential equations using generalized inverse matrices · original: “Дослідження вироджених систем диференціальних рівнянь з допомогою узагальнених обернених матриць”
O. Kossak, I. Boretska, O. Dovhanyk. Bulletin of Ivan Franko National University of Lviv, issue 24.
Elliptic curves and cryptography
Verified
Group Operations on Elliptic Curves
O. Kossak, Ya. Kholyavka. Bulletin of Ivan Franko National University of Lviv. Series Applied Mathematics and Informatics, issue 20.
Verified
On arithmetic progressions on Legendre elliptic curves
Ya. Kholyavka, O. Kossak. Conference theses, p. 87.
Verified
Encryption using an elliptic curve · original: “Криптування з використанням еліптичної кривої”
Weierstrass / Diffie-Gellman scheme. DOI 10.30970/vam.2014.21.8547.
Verified
Encryption using the Edwards elliptic curve · original: “Криптування з використанням еліптичної кривої Едвардса”
O. Kossak, Ya. Kholyavka. Bulletin of Ternopil Ivan Puluj National Technical University, 73(1), pp. 275–280.
Verified
OT protocol on the Edwards curve · original: “OT-протокол на кривій Едвардса”
O. Kossak, Ya. Kholyavka, pp. 82–88.
Research tools