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Author

Tahamina Akter

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2 papers indexed here

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Preprint Sep 2026

Scalable Approximate Selected Inversion Based on Single-Level Incomplete $LDL^T$ Factorization and Spectral Corrections for Large Sparse Systems

This article introduces four parallel numerical techniques for computing entries of the inverse of large sparse symmetric systems, all grounded in incomplete $LDL^T$ (ILDL) factorizations: (1) the selected inversion method (SelInv), which applies the $LDL^T$ factorization to recover entries of the matrix inverse within...

Tahamina Akter, M. Bollhöfer, O. Schenk · 0 citations
Open access Jul 2026

Enterprise Data Integration for Customer Relationship and Sales Performance Monitoring

This study examines enterprise data integration for monitoring customer relationships and sales performance within organizational information systems. Organizations store customer interaction data, sales transactions, marketing records, and service information across multiple platforms, which restricts unified analysis...

Rasel Chokder, Md. Imran Hossain Bhuiyan, Tahamina Akter et al. · 1 citation

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