Research & Publications

PUBLICATIONS

1.  Ritesh Khan, V.A. Kandappan, Sivaram Ambikasaran, HODLRdD: A new black-box fast algorithm for N-body problems in d-dimensions with guaranteed error bounds: Applications to integral equations and support vector machines, Journal of Computational Physics, Volume 501, 2024, 112786, DOI.

2. Ritesh Khan, Sivaram Ambikasaran. New Algebraic Fast Algorithms for N-body Problems in Two and Three Dimensions, accepted for publication in Communications in Computational Physics.

3. Sivaram Ambikasaran, Ritesh Khan, Johannes Tausch, Sihao Wang. A hybrid interpolation ACA accelerated method for parabolic boundary integral operators, accepted for publication in SIAM Journal on Scientific Computing.

PREPRINTS

4. Ritesh Khan, Sivaram Ambikasaran, New hybrid hierarchical matrix algorithms for fast kernel matrix-vector product (submitted).