Homepage: Július Korbaš
ADDRESSES:
Department of Algebra, Geometry, and Mathematical Education,
Faculty of Mathematics, Physics, and Informatics,
Comenius University,
Mlynská dolina, SK-842 48 Bratislava 4,
SLOVAKIA
and
Mathematical Institute, Slovak Academy of Sciences,
Štefánikova 49,
SK-842 48 Bratislava 1,
SLOVAKIA
Email: korbasATfmph.uniba.sk
I am a full-time faculty member at Comenius University and a (2/100)-time researcher
at the Slovak Academy of Sciences.
SELECTED BIOGRAPHICAL DATA
1978: Graduated in Mathematics,
Faculty of Science, Comenius University, Bratislava, Slovakia
1985 Ph.D. (CSc.), supervised by V. Bartík and Z. Frolík,
Mathematical Institute, Academy of Sciences, Praha, Czechia
1990-1992: A. von Humboldt fellow, hosted by Ulrich Koschorke, University of Siegen, Germany
1994 Associate Professor (Docent) in Geometry and
Topology, Faculty of Mathematics and Physics, Comenius University
2003 Professor Extraordinary of Mathematics, Faculty of Mathematics, Physics, and Informatics, Comenius University
2008 Professor of Mathematics, Faculty of Mathematics, Physics, and Informatics, Comenius University
RESEARCH INTERESTS:
- algebraic topology [cohomology properties of fibrations, Lyusternik-Shnirel'man category etc.]
- differential topology [sections of vector bundles, almost complex structures, immersions and embeddings etc.]
BOOKS, CHAPTERS IN BOOKS OR SIMILAR:
Július Korbaš: Lineárna algebra a geometria I (Linear Algebra and Geometry I,
in Slovak), Vydavatel'stvo Univerzity Komenského, Bratislava 2003, 240 pages,
ISBN 80-223-1706-3.
Július Korbaš, Distributions, vector distributions, and immersions of manifolds
in Euclidean spaces, pages 665-724 (= Chapter 13) in: Handbook of Global
Analysis (edited by D. Krupka and D. Saunders), Elsevier Science, Amsterdam etc. 2007/2008,
1244 pages, Hardbound, ISBN-13: 978-0-444-52833-9, ISBN-10: 0-444-52833-4. A partial preview can be seen
here.
Marián Fecko, Július Korbaš, Martin Niepel, Pavol Ševera: Zimná škola symplektickej geometrie, Bratislava, Fakulta matematiky, fyziky a informatiky Univerzity Komenského, 5.- 9. február 2007 (Winter School on Symplectic Geometry, Bratislava, Faculty
of Mathematics, Physics, and Informatics of Comenius University, 5 - 9 February 2007, elaborated
lecture notes, in Slovak); spracované texty prednášok, Knižn. a ed. centrum FMFI UK, Bratislava, 2008, ISBN 978-80-89186-35-8, 89 strán (89 pages); elektronická verzia je
(an electronic version is)
tu (here)

Errata for the book J. Korbaš, Lineárna algebra a geometria I, VUK, Bratislava 2003
SOME OF MY PAPERS
(SOME ACCESSIBLE ELECTRONICALLY); a more
extensive list of publications can be found
here.
J. Korbaš: Vector fields on real flag manifolds,
Annals of Global Analysis and Geometry 3 (1985), 173-184. pdf can be downloaded
from here.
V. Bartík, J. Korbaš: Stationary point free elementary abelian 2-group actions on Grassmannians - an elementary approach, Archiv der Mathematik (Basel)
60 (1993), 563-567. pdf can be downloaded
from here.
J. Korbaš: On sectioning multiples of vector bundles and more general homomorphism bundles, Manuscripta Mathematica
82 (1994) 67-70.
pdf
J. Korbaš, A. Szücs: The Lyusternik-Shnirel'man category, vector bundles, and immersions of manifolds, Manuscripta Mathematica
95 (1998), 289-294.
pdf
L'. Horanská, J. Korbaš: On cup products in some manifolds, Bulletin of the
Belgian Mathematical Society-Simon Stevin
7 (2000), 21-28.
pdf
J. Korbaš: On fibrations with Grassmannian fibers, Bulletin of the
Belgian Mathematical Society-Simon Stevin
8 (2001), 119-130.
pdf
J. Korbaš: On the vector field problem for O(n)/O(1) x O(1) x O(n-2), Acta Mathematica Hungarica
105 (2004), 123-131.
pdf
J. Korbaš: Bounds for the cup-length of Poincaré spaces and their applications,
Topology and its Applications
153 (2006), 2976-2986.
A preprint of the same: pdf
J. Korbaš: A note on the height of the canonical Stiefel-Whitney classes of the oriented Grassmann manifolds, In O. Kowalski and D. Krupka and O. Krupková and J. Slovák (editors) Differential Geometry and its Applications, Proc. Conf., in Honour of Leonhard Euler, Olomouc (Czechia), August 2007,
p. 455-462, World Scientific, Singapore 2008.
Info:
http://www.worldscibooks.com/mathematics/6719.html
A partial preview can be seen
here.
J. Korbaš: An Arm Trick for Unarmed Performers, The Mathematical Intelligencer 31, No. 2 (2009), 5-6,
DOI:10.1007/s00283-008-9021-y
Link to the published article. The original publication is available at www.springer.com
A manuscript of this article.
J. Korbaš, P. Novotný: On the dual Stiefel--Whitney classes of some Grassmann manifolds, Acta Mathematica Hungarica 123 (2009), 319-330,
DOI: 10.1007/s10474-008-8116-4
Link to the published article. The original publication is available at www.springer.com
Pdf of the article.
J. Korbaš, P. Zvengrowski: The vector field problem for projective Stiefel Manifolds, Boletín de la Sociedad Matemática Mexicana
3a. Serie Volumen 15, Número 2 (2009), 219-234.
Pdf of the manuscript.
J. Korbaš: The cup-length of the oriented Grassmannians vs a new bound for zero-cobordant manifolds, Bulletin of the
Belgian Mathematical Society-Simon Stevin
17 (2010), 69-81. pdf
Ľ. Balko, J. Korbaš: A note on the characteristic rank of a smooth manifold, p. 1-8 in J. Korbaš (ed.), M. Morimoto (ed.), K. Pawałowski (ed.), GROUP ACTIONS AND HOMOGENEOUS SPACES, Proceedings of the Bratislava Topology Symposium “Group Actions and Homogeneous Spaces“, Comenius Univ., Sept. 7-11, 2009. Knižn. a ed. centrum, Fakulta matematiky, fyziky a informatiky, Univerzita Komenského, Bratislava 2010/2011, viii + 116 p., ISBN: 978-80-89186-76-1 (paperback), ISBN: 978-80-89186-75-4 (electronic).
Pdf of the article.
Link to the whole proceedings-booklet.
Ľ. Balko, J. Korbaš: A note on the characteristic rank of null-cobordant manifolds, Acta Mathematica Hungarica. Online First: 15 November 2012,
DOI: 10.1007/s10474-012-0279-3
Link to the published article.
J. Korbaš, A. C. Naolekar, A. S. Thakur:
Characteristic rank of vector bundles over Stiefel manifolds, Archiv der Mathematik (Basel)
99 (2012), 577-581.
DOI 10.1007/s00013-012-0454-3
Link to the published article.
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