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- Debanjan Polley, Arnab Ganguly, Anjan Barman, Rajib Kumar Mitra
- Optics letters
- 2013

We report the polarizing behavior of aligned Ni nanoparticles (NPs) having average diameter of 165±15 nm in ~210 μm thick polyvinyl alcohol (PVA) matrix in the frequency range of 0.2-1.6 THz. The NPs have been prepared via a wet chemical route and then aligned in PVA film by using an external magnetic field. When the polarization of THz electric field is… (More)

- Arnab Ganguly, Rahul Shah, Sharma V. Thankachan
- CPM
- 2015

- Sudip Biswas, Arnab Ganguly, Rahul Shah, Sharma V. Thankachan
- FSTTCS
- 2015

Document retrieval is one of the most fundamental problem in information retrieval. The objective is to retrieve all documents from a document collection that are relevant to an input pattern. Several variations of this problem such as ranked document retrieval, document listing with two patterns and forbidden patterns have been studied. We introduce the… (More)

- Arnab Ganguly, Rahul Shah, Sharma V. Thankachan
- ArXiv
- 2016

The fields of succinct data structures and compressed text indexing have seen quite a bit of progress over the last 15 years. An important achievement, primarily using techniques based on the Burrows-Wheeler Transform (BWT), was obtaining the full functionality of suffix tree in the optimal number of bits. A crucial property that allows the use of BWT for… (More)

- Arnab Ganguly
- 2013

J o u r n a l o f P r o b a b i l i t y Electron. Abstract The paper deals with convergence of solutions of a class of stochastic differential equations driven by infinite-dimensional semimartingales. The infinite-dimensional semimartingales considered in the paper are Hilbert-space valued. The theorems presented generalize the convergence result obtained… (More)

- Arnab Ganguly, Wing-Kai Hon, Rahul Shah, Sharma V. Thankachan
- ISAAC
- 2016

Given a string X[1, n] and a position k ∈ [1, n], the Shortest Unique Substring of X covering k, denoted by S k , is a substring X[i, j] of X which satisfies the following conditions: (i) i ≤ k ≤ j, (ii) i is the only position where there is an occurrence of X[i, j], and (iii) j − i is minimized. The best-known algorithm [Hon et al., ISAAC 2015] can find S… (More)

- Arnab Ganguly, Rahul Shah, Sharma V. Thankachan
- SODA
- 2017

- Paul Dupuis, Arnab Ganguly, Amarji Budhiraja, Amarjit Budhiraja, Paul Dupuisy, Arnab Gangulyz
- 2014

Moderate Deviation Principles for Stochastic Differential Equations with Jumps Report Title Moderate deviation principles for stochastic differential equations driven by a Poisson random measure (PRM) in finite and infinite dimensions are obtained. Proofs are based on a variational representation for expected values of positive functionals of a PRM. 3

- Arnab Ganguly
- 2010

Let H be a separable Banach space. We considered the sequence of stochastic integrals {X n− · Y n } where {Y n } is a sequence of infinite dimesnional H # semimartingales and X n are H valued cadlag processes. Assuming that {(X n , Y n)} satisfies large deviation principle, a uniform exponential tightness condition is described under which large deviation… (More)