G. V. Ravindra

354 ESH, Department of Mathematics
University of Missouri -- St. Louis
Phone: 314-516-6492, email: girivarur@umsl.edu





























Thanks to Dmitri
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Papers

25.  Quantum Stabilizer and Subsystem codes from algebro-geometric toric codes   (with Roy Joshua ),
Preprint.   [pdf]

24.  Rank 3 ACM bundles on general hypersurfaces in P^5  (with Amit Tripathi),
Advances in Mathematics 355C (2019) 106780.  [pdf]

23.  Remarks on higher rank ACM bundles on hypersurfaces  (with Amit Tripathi),
Comptes Rendus Mathématique de l'Académie des Sciences, Paris   Ser. I  356 (2018), No. 11-12, 1215--1221. [pdf]

22.  Lefschetz theorems for torsion algebraic cycles in codimension 2   (with Deepam Patel),
Advances in Mathematics   316 (2017), 554--575.   [pdf]   [Erratum]

21.  An infinitesimal Noether Lefschetz theorem for Chow groups   (with Deepam Patel),
Journal of Pure and Applied Algebra   221 (2017), No. 8, 1926--1933.   [pdf]

20.  The Weak Lefschetz theorem for Chow groups: Infinitesimal liftings   (with Deepam Patel),
Homology, Homotopy and Applications   16 (2014), No. 2, 65--84. [pdf]

19.  Torsion points and matrices defining elliptic curves  (with Amit Tripathi),
International Journal of Algebra and Computation   24, (2014), No. 06, 879--891. [pdf]

18.  Towards connectivity for codimension 2 cycles: Infinitesimal deformations   (with Deepam Patel),
Journal of Algebra   399 (Feb 2014), 407--422. [pdf]

17.  Extension theorems for vector bundles with applications to Noether-Lefschetz theorems   (with Amit Tripathi),
Communications in Contemporary Mathematics 15 (2013), No. 5, 1350003 (20 pages). [pdf]

16.  Arithmetically Cohen-Macaulay bundles on complete intersection varieties of sufficiently high multi-degree  (with J.Biswas),
Mathematische Zeitschrift  265 (2010), No. 3, 493--509. [pdf]

15.  Curves on threefolds and a conjecture of Griffiths-Harris,
Mathematische Annalen  345 (2009), No. 3, 731--748. [pdf]

14.  The Noether-Lefschetz theorem for the divisor class group   (with V. Srinivas),
Journal of Algebra
322 (2009), 3373--3391. [pdf]

13.  On codimension two subvarieties in hypersurfaces  (with N. Mohan Kumar and A. P. Rao), 
Fields Institute Communications 56, (2009), 167--174. [pdf]

12.   On the Picard bundle   (with I.Biswas),
Bulletin des Sciences Mathematiques  133 (2009), No. 1, 51--55. [pdf]

11.  On some moduli spaces of stable vector bundles on cubic and quartic threefolds   (with I.Biswas and J.Biswas), 
Journal of Pure and Applied Algebra   212 (2008), No. 10, 2298--2306. [pdf]

10. The Noether-Lefschetz theorem via vanishing of coherent cohomology,
Canadian Math Bulletin 51 (2008), No. 2, 283--290.  [pdf]

9.  Arithmetically Cohen-Macaulay bundles on three dimensional hypersurfaces   (with N. Mohan Kumar and A. P. Rao),
International Math Research Notices   2007, No. 8, Art. ID rnm025, 11 pp. [pdf]

8. Arithmetically Cohen-Macaulay bundles on hypersurfaces   (with N. Mohan Kumar and A. P. Rao),
Commentarii Mathematici Helvetici   82 (2007), No. 4, 829--843.  [pdf]

7.  Generators for vector bundles on generic hypersurfaces   (with N. Mohan Kumar and A. P. Rao) ,
Mathematical Research Letters   14 (2007), No. 4, 649--655. [pdf]

6.  On the geometry of generalized quadrics   (with N. Mohan Kumar and A. P. Rao),
Journal of Pure and Applied Algebra   208 (2007), No. 3, 1051--1054. [pdf]

5.  Four-by-Four Pfaffians   (with N. Mohan Kumar and A. P. Rao),
Rendiconti del Seminario Matematico. Universita e Politecnico Torino 64 (2006), No. 4, 471--477. [pdf]

4.  Zero cycles on certain surfaces in arbitrary characteristic,
Proceedings of the Indian Academy of Sciences (Mathematical Sciences)  116 (2006), No. 1, 37--50.  [pdf]

3.  A note on detecting algebraic cycles,
Canadian Math Bulletin  49 (2006), No. 3, 464--471. [pdf]

2.  The Grothendieck-Lefschetz theorem for normal projective varieties  (with V. Srinivas),
Journal of Algebraic Geometry  15 (2006), No. 3, 563-590.   [pdf]

1.  Higher Abel-Jacobi maps   (with J.Biswas,  G.Dayal and  K.Paranjape),
TIFR Proceedings of the international colloquium in Algebra, Arithmetic and Geometry, 2000.   [pdf]


Other

1.  Hodge style Chern classes for vector bundles on schemes in characteristic zero  (with N. Mohan Kumar and A. P. Rao),
Expository notes.  [pdf]