Search Results - "Rao, Ravi A."

Refine Results
  1. 1

    Ordered cyclic motifs contribute to dynamic stability in biological and engineered networks by Ma'ayan, Avi, Cecchi, Guillermo A, Wagner, John, Rao, A. Ravi, Iyengar, Ravi, Stolovitzky, Gustavo

    “…Representation and analysis of complex biological and engineered systems as directed networks is useful for understanding their global structure/function…”
    Get full text
    Journal Article
  2. 2

    A stably elementary homotopy by RAO, RAVI A.

    “…If R is an affine algebra of dimension d over a perfect C_1 field and \sigma \in SL_{d + 1}(R) is a stably elementary matrix, we show that there is a stably…”
    Get full text
    Journal Article
  3. 3

    Local-global principle for transvection groups by BAK, A., BASU, RABEYA, RAO, RAVI A.

    “…In this article we extend the validity of Suslin's Local-Global Principle for the elementary transvection subgroup of the general linear group GL_n(R), the…”
    Get full text
    Journal Article
  4. 4

    Some remarks on symplectic injective stability by BASU, RABEYA, CHATTOPADHYAY, PRATYUSHA, RAO, RAVI A.

    “…It is shown that if A over an infinite field of cohomological dimension at most one, with (d +1)! A = A, then Um _{d+1}(A) = e_1\textrm{Sp}_{d+1}(A) is a…”
    Get full text
    Journal Article
  5. 5
  6. 6

    A group structure on squares by Rao, Ravi A., Jose, Selby

    “…We show that there is an abelian group structure on the orbit set of ``squares'' of unimodular rows of length n over a commutative ring of stable dimension d…”
    Get full text
    Journal Article
  7. 7

    A structure theorem for the elementary unimodular vector group by Jose, Selby, Rao, Ravi A.

    “…Given a pair of vectors v,w\in R^{r+1} with \langle v,w\rangle=v·w^T=1, A. Suslin constructed a matrix S_r(v,w)\in Sl_{2^r}(R). We study the subgroup SUm_r(R)…”
    Get full text
    Journal Article
  8. 8
  9. 9

    Generalised homotopy and commutativity principle by Rao, Ravi A., Sharma, Sampat

    Published in Journal of pure and applied algebra (01-06-2023)
    “…In this paper, we study the action of special n×n linear (resp. symplectic) matrices which are homotopic to identity on the right invertible n×m matrices. We…”
    Get full text
    Journal Article
  10. 10

    On a theorem of Keune by Chakraborty, Kuntal, Rao, Ravi A.

    Published in Journal of pure and applied algebra (01-04-2022)
    “…In this paper we first prove that for regular local ring R containing an infinite field, the natural map SLr(R[X],(X2−X)/Er(R[X],(X2−X))→SK1(R[X],(X2−X)) is an…”
    Get full text
    Journal Article
  11. 11

    Equality of elementary linear and symplectic orbits with respect to an alternating form by Chattopadhyay, Pratyusha, Rao, Ravi A.

    Published in Journal of algebra (01-04-2016)
    “…An elementary symplectic group w.r.t. an invertible alternating matrix is defined. It is shown that the group of symplectic transvections of a symplectic…”
    Get full text
    Journal Article
  12. 12

    Homotopy and commutativity principle by Rao, Ravi A., Sharma, Sampat

    Published in Journal of algebra (15-08-2017)
    “…We give evidence for the principle that a (special linear, symplectic, orthogonal) matrix over a commutative ring which is homotopic to the identity will…”
    Get full text
    Journal Article
  13. 13

    A nice group structure on the orbit space of unimodular rows-II by Gupta, Anjan, Garge, Anuradha, Rao, Ravi A.

    Published in Journal of algebra (01-06-2014)
    “…We establish an Excision type theorem for niceness of group structure on the orbit space of unimodular rows of length n modulo elementary action. This permits…”
    Get full text
    Journal Article
  14. 14

    Suslin forms and the Hodge star operator by Jose, Selby, Rao, Ravi A.

    Published in Linear algebra and its applications (01-07-2014)
    “…We show that the Suslin forms are themselves a product of Suslin matrices (over the integers) and that their corresponding linear transformation is the Hodge…”
    Get full text
    Journal Article
  15. 15
  16. 16

    Injective stability for K 1 of classical modules by Basu, Rabeya, Rao, Ravi A.

    Published in Journal of algebra (15-02-2010)
    “…In Rao (1994) [14], the second author and W. van der Kallen showed that the injective stabilization bound for K 1 of the general linear group is d + 1 over a…”
    Get full text
    Journal Article
  17. 17
  18. 18

    Generalised homotopy and commutativity principle by Rao, Ravi A, Sharma, Sampat

    Published 08-11-2022
    “…In this paper, we study the action of special $n\times n $ linear (resp. symplectic) matrices which are homotopic to identity on the right invertible $n\times…”
    Get full text
    Journal Article
  19. 19

    Injective stability for K 1 of the orthogonal group by Rao, Ravi A., Basu, Rabeya, Jose, Selby

    Published in Journal of algebra (15-01-2010)
    “…The injective stabilization bound of L.N. Vaserstein for K 1 of the orthogonal group over an affine algebra over a perfect C 1 -field is discussed…”
    Get full text
    Journal Article
  20. 20

    Quillen–Suslin theory revisited by Rao, Ravi A., Jose, Selby

    Published in Journal of pure and applied algebra (01-11-2007)
    “…We partially answer a question of T.Y. Lam by obtaining partial generalized Local Global and Monic Inversion Principles for the action of the elementary…”
    Get full text
    Journal Article