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Sivaramakrishnan Sivasubramanian · SciRah

Researcher profile · Semantic Scholar

Sivaramakrishnan Sivasubramanian

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Sivaramakrishnan Sivasubramanian — researcher profile on SciRah

h-index: 11
Works: 54
Citations: 361

Most-cited papers

Inverse of the distance matrix of a block graph
R. Bapat, Sivaramakrishnan Sivasubramanian
201141 citations
Semantic Scholar
q-Analogs of distance matrices of 3-hypertrees
Sivaramakrishnan Sivasubramanian
200936 citations Open access
Semantic Scholar
Identities for minors of the Laplacian, resistance and distance matrices
R. Bapat, Sivaramakrishnan Sivasubramanian
201127 citations Open access
Semantic Scholar
On the Hardness of Approximating Minimum Monopoly Problems
S. Mishra, Jaikumar Radhakrishnan, Sivaramakrishnan Sivasubramanian
2002Foundations of Software Technology and Theoretical Computer Science22 citations
Semantic Scholar
Product distance matrix of a graph and squared distance matrix of a tree
R. Bapat, Sivaramakrishnan Sivasubramanian
201318 citations Open access
Semantic Scholar
Signed excedance enumeration via determinants
Sivaramakrishnan Sivasubramanian
2011Advances in Applied Mathematics18 citations Open access
Semantic Scholar
Squared distance matrix of a tree: Inverse and inertia
R. Bapat, Sivaramakrishnan Sivasubramanian
201617 citations Open access
Semantic Scholar
Complete partitions of graphs
M. Halldórsson, G. Kortsarz, Jaikumar Radhakrishnan, Sivaramakrishnan Sivasubramanian
2005ACM-SIAM Symposium on Discrete Algorithms17 citations
Semantic Scholar
A q-Analogue of Graham, Hoffman and Hosoya's Theorem
Sivaramakrishnan Sivasubramanian
2010Electronic Journal of Combinatorics15 citations Open access
Semantic Scholar
Product distance matrix of a tree with matrix weights
R. Bapat, Sivaramakrishnan Sivasubramanian
201512 citations Open access
Semantic Scholar
Average distance in graphs and eigenvalues
Sivaramakrishnan Sivasubramanian
2009Discrete Mathematics11 citations Open access
Semantic Scholar
The Polytope of Degree Partitions
A. Bhattacharya, Sivaramakrishnan Sivasubramanian, Murali K. Srinivasan
2005Electronic Journal of Combinatorics11 citations Open access
Semantic Scholar
Hook immanantal and Hadamard inequalities for q-Laplacians of trees
M. Nagar, Sivaramakrishnan Sivasubramanian
201710 citations Open access
Semantic Scholar
The product distance matrix of a tree and a bivariate zeta function of a graphs
R. Bapat, Sivaramakrishnan Sivasubramanian
201210 citations Open access
Semantic Scholar
Signed Excedance Enumeration in the Hyperoctahedral group
Sivaramakrishnan Sivasubramanian
2014Electronic Journal of Combinatorics9 citations Open access
Semantic Scholar
Gamma Positivity of the Excedance-Based Eulerian Polynomial in Positive Elements of Classical Weyl Groups
Hiranya Kishore Dey, Sivaramakrishnan Sivasubramanian
2018Annals of Combinatorics8 citations Open access
Semantic Scholar
Laplacian immanantal polynomials and the GTS poset on trees
M. Nagar, Sivaramakrishnan Sivasubramanian
2017Linear Algebra and its Applications8 citations Open access
Semantic Scholar
Smith Normal Form of a distance matrix inspired by the four-point condition
R. Bapat, Sivaramakrishnan Sivasubramanian
20207 citations Open access
Semantic Scholar
Generic pole assignability, structurally constrained controllers and unimodular completion
R. Kalaimani, M. Belur, Sivaramakrishnan Sivasubramanian
20137 citations Open access
Semantic Scholar
Spanning trees in complete uniform hypergraphs and a connection to extended r-Shi hyperplane arrangements
Sivaramakrishnan Sivasubramanian
20066 citations
Semantic Scholar
The Smith normal form of product distance matrices
R. Bapat, Sivaramakrishnan Sivasubramanian
20155 citations Open access
Semantic Scholar
The 2-Steiner distance matrix of a tree
A. Azimi, Sivaramakrishnan Sivasubramanian
2022Linear Algebra and its Applications4 citations
Semantic Scholar
Eulerian central limit theorems and Carlitz identities in positive elements of classical Weyl groups
Hiranya Kishore Dey, Sivaramakrishnan Sivasubramanian
2020Journal of Combinatorics4 citations Open access
Semantic Scholar
ENUMERATING EXCEDANCES WITH LINEAR CHARACTERS IN CLASSICAL WEYL GROUPS
Sivaramakrishnan Sivasubramanian
20164 citations
Semantic Scholar
APPROXIMATING THE ISOPERIMETRIC NUMBER OF STRONGLY REGULAR GRAPHS
Sivaramakrishnan Sivasubramanian
20054 citations Open access
Semantic Scholar
Canonical reduced words and signed descent length enumeration in Coxeter groups
Umesh Shankar, Sivaramakrishnan Sivasubramanian
2024Journal of Algebraic Combinatorics3 citations Open access
Semantic Scholar
The Arithmetic Tutte polynomial of two matrices associated to Trees
R. Bapat, Sivaramakrishnan Sivasubramanian
2018Special Matrices3 citations Open access
Semantic Scholar
Ordinal and Disjoint Sums of Partially Ordered Patterns
Sucharita Biswas, Umesh Shankar, Sivaramakrishnan Sivasubramanian
2025Electronic Journal of Combinatorics2 citations Open access
Semantic Scholar
q-Enumeration of type B and type D Eulerian polynomials based on parity of descents
Hiranya Kishore Dey, U. Shankar, Sivaramakrishnan Sivasubramanian
2023Enumerative Combinatorics and Applications2 citations Open access
Semantic Scholar
The maximum four point condition matrix of a tree
A. Azimi, Rakesh Jana, M. Nagar, Sivaramakrishnan Sivasubramanian
2023Linear Algebra and its Applications2 citations Open access
Semantic Scholar
Signed alternating descent enumeration in classical Weyl groups
Hiranya Kishore Dey, Sivaramakrishnan Sivasubramanian
2023Discrete Mathematics2 citations
Semantic Scholar
On the Alternating runs polynomial in type B and D Coxeter Groups
Hiranya Kishore Dey, Sivaramakrishnan Sivasubramanian
20202 citations
Semantic Scholar
Generalized Matrix polynomials of Tree Laplacians indexed by Symmetric functions and the GTS poset
M. Nagar, Sivaramakrishnan Sivasubramanian
20192 citations
Semantic Scholar
The Third Immanant of q-Laplacian Matrices of Trees and Laplacians of Regular Graphs
R. Bapat, Sivaramakrishnan Sivasubramanian
20132 citations
Semantic Scholar
On the two variable distance enumerator of the Shi hyperplane arrangement
Sivaramakrishnan Sivasubramanian
2008European journal of combinatorics (Print)2 citations Open access
Semantic Scholar
Matchings and shape-Wilf-Equivalence of sets of patterns of length three I: Triples
Sucharita Biswas, Umesh Shankar, Sivaramakrishnan Sivasubramanian
20261 citations
Semantic Scholar
A descent-excedance correspondence in colored permutation groups
Hiranya Kishore Dey, Umesh Shankar, Sivaramakrishnan Sivasubramanian
2024Enumerative Combinatorics and Applications1 citations Open access
Semantic Scholar
$q$-enumeration of type B and D Eulerian polynomials based on parity of descents
Hiranya Kishore Dey, U. Shankar, Sivaramakrishnan Sivasubramanian
20221 citations
Semantic Scholar
Signed Alternating-runs enumeration in Classical Weyl Groups.
Hiranya Kishore Dey, Sivaramakrishnan Sivasubramanian
20201 citations
Semantic Scholar
Creation, Creator and Causality: Perspectives from Purānic Genre of Hindu Literature
Sivaramakrishnan Sivasubramanian, R. Jairam
20191 citations Open access
Semantic Scholar
Structural controllability: an undirected graph approach
M. Belur, Sivaramakrishnan Sivasubramanian
20101 citations
Semantic Scholar
Analogs of distance matrices of 3-hypertrees
Sivaramakrishnan Sivasubramanian
20091 citations
Semantic Scholar
Interpreting the two variable Distance enumerator of the Shi hyperplane arrangement
Sivaramakrishnan Sivasubramanian
20061 citations
Semantic Scholar
Matchings and shape-Wilf-Equivalence of sets of patterns of length three II: Quadruples and Quintuples
Sucharita Biswas, Umesh Shankar, Sivaramakrishnan Sivasubramanian
20260 citations
Semantic Scholar
Enumerating alternating-runs with sign in Type A and Type B Coxeter groups
Hiranya Kishore Dey, Sivaramakrishnan Sivasubramanian
2025Discrete Mathematics0 citations
Semantic Scholar
On a vector space of matrices associated to threshold and chain graphs
Rakesh Jana, Iswar Mahato, Sivaramakrishnan Sivasubramanian
2025Linear Algebra and its Applications0 citations
Semantic Scholar
Four-point condition matrices of edge-weighted trees
Ali Azimi, Rakesh Jana, M. Nagar, Sivaramakrishnan Sivasubramanian
2024Special Matrices0 citations Open access
Semantic Scholar
Unimodality and peak location of the characteristic polynomials of two distance matrices of trees
Rakesh Jana, Iswar Mahato, Sivaramakrishnan Sivasubramanian
2024Computational and Applied Mathematics0 citations Open access
Semantic Scholar
On the Min4PC Matrix of a Tree
Ali Azimi, Rakesh Jana, M. Nagar, Sivaramakrishnan Sivasubramanian
2024American Journal of Combinatorics0 citations Open access
Semantic Scholar
Inequalities among two rowed immanants of the q-Laplacian of trees and odd height peaks in generalized Dyck paths
M. Nagar, A. Lal, Sivaramakrishnan Sivasubramanian
2022Journal of difference equations and applications (Print)0 citations Open access
Semantic Scholar

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