Ujjaini Alam

3.9k total citations · 2 hit papers
17 papers, 2.8k citations indexed

About

Ujjaini Alam is a scholar working on Astronomy and Astrophysics, Nuclear and High Energy Physics and Artificial Intelligence. According to data from OpenAlex, Ujjaini Alam has authored 17 papers receiving a total of 2.8k indexed citations (citations by other indexed papers that have themselves been cited), including 14 papers in Astronomy and Astrophysics, 5 papers in Nuclear and High Energy Physics and 3 papers in Artificial Intelligence. Recurrent topics in Ujjaini Alam's work include Cosmology and Gravitation Theories (13 papers), Galaxies: Formation, Evolution, Phenomena (9 papers) and Gamma-ray bursts and supernovae (7 papers). Ujjaini Alam is often cited by papers focused on Cosmology and Gravitation Theories (13 papers), Galaxies: Formation, Evolution, Phenomena (9 papers) and Gamma-ray bursts and supernovae (7 papers). Ujjaini Alam collaborates with scholars based in India, Russia and United States. Ujjaini Alam's co-authors include Alexei A. Starobinsky, Tarun Deep Saini, Varun Sahni, Varun Sahni, Salman Habib, Tracy Holsclaw, David Higdon, Katrin Heitmann, Bruno Sansó and Herbert Lee and has published in prestigious journals such as Physical Review Letters, The Astrophysical Journal and Technometrics.

In The Last Decade

Ujjaini Alam

15 papers receiving 2.6k citations

Hit Papers

Statefinder—A new geometrical diagnostic of dark energy 2003 2026 2010 2018 2003 2003 250 500 750
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Statefinder—A new geometrical diagnostic of dark energy
    2003 990 citations Varun Sahni, Tarun Deep Saini et al. Journal of Experimental and Theoretical Physics Letters profile →
  2. Exploring the expanding Universe and dark energy using the statefinder diagnostic
    2003 592 citations Ujjaini Alam, Varun Sahni et al. Monthly Notices of the Royal Astronomical Society profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Ujjaini Alam India 12 2.7k 1.9k 217 182 62 17 2.8k
Rachel Bean United States 24 2.4k 0.9× 1.7k 0.9× 190 0.9× 142 0.8× 105 1.7× 57 2.5k
Carlo Contaldi United Kingdom 24 1.9k 0.7× 1.2k 0.6× 229 1.1× 177 1.0× 46 0.7× 86 2.0k
Rafael C. Nunes Brazil 32 2.5k 0.9× 1.7k 0.9× 186 0.9× 235 1.3× 87 1.4× 76 2.6k
R. Dave United States 6 2.6k 0.9× 2.0k 1.1× 118 0.5× 223 1.2× 40 0.6× 9 2.6k
Supriya Pan India 38 3.3k 1.2× 2.3k 1.2× 191 0.9× 270 1.5× 95 1.5× 104 3.5k
Savvas Nesseris Spain 32 3.1k 1.2× 2.1k 1.1× 282 1.3× 199 1.1× 124 2.0× 82 3.2k
N. Bartolo Italy 17 1.7k 0.6× 1.0k 0.5× 197 0.9× 131 0.7× 53 0.9× 22 1.8k
Ruth Lazkoz Spain 31 3.1k 1.2× 2.5k 1.3× 214 1.0× 327 1.8× 55 0.9× 85 3.2k
Arman Shafieloo South Korea 26 2.4k 0.9× 1.3k 0.7× 212 1.0× 137 0.8× 151 2.4× 82 2.5k
J. Lesgourgues France 21 2.2k 0.8× 1.8k 1.0× 98 0.5× 153 0.8× 104 1.7× 30 2.4k

Countries citing papers authored by Ujjaini Alam

Since Specialization
Citations

This map shows the geographic impact of Ujjaini Alam's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Ujjaini Alam with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Ujjaini Alam more than expected).

Fields of papers citing papers by Ujjaini Alam

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Ujjaini Alam. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Ujjaini Alam. The network helps show where Ujjaini Alam may publish in the future.

Co-authorship network of co-authors of Ujjaini Alam

This figure shows the co-authorship network connecting the top 25 collaborators of Ujjaini Alam. A scholar is included among the top collaborators of Ujjaini Alam based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Ujjaini Alam. Ujjaini Alam is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

17 of 17 papers shown
1.
Alam, Ujjaini, et al.. (2023). An Unsupervised Machine Learning-based Algorithm for Detecting Weak Impulsive Narrowband Quiet Sun Emissions and Characterizing Their Morphology. The Astrophysical Journal. 954(1). 39–39. 1 indexed citations
2.
Alam, Ujjaini, et al.. (2022). PandoraRL: DQN and Graph Convolution based ligand pose learning for SARS-COV1 Mprotease. 2022 IEEE International Conference on Bioinformatics and Biomedicine (BIBM). 380–385.
3.
Alam, Ujjaini, et al.. (2017). Constraining the cosmology of the phantom brane using distance measures. Physical review. D. 95(2). 38 indexed citations
4.
Holsclaw, Tracy, Bruno Sansó, Herbert K. H. Lee, et al.. (2012). Gaussian Process Modeling of Derivative Curves. Technometrics. 55(1). 57–67. 29 indexed citations
5.
Holsclaw, Tracy, Ujjaini Alam, Bruno Sansó, et al.. (2011). Nonparametric reconstruction of the dark energy equation of state from diverse data sets. Physical review. D. Particles, fields, gravitation, and cosmology. 84(8). 70 indexed citations
6.
Holsclaw, Tracy, Ujjaini Alam, Bruno Sansó, et al.. (2010). Nonparametric Dark Energy Reconstruction from Supernova Data. Physical Review Letters. 105(24). 241302–241302. 140 indexed citations
7.
Holsclaw, Tracy, Ujjaini Alam, Bruno Sansó, et al.. (2010). Nonparametric reconstruction of the dark energy equation of state. Physical review. D. Particles, fields, gravitation, and cosmology. 82(10). 99 indexed citations
8.
Alam, Ujjaini. (2010). CONSTRAINING PERTURBATIVE EARLY DARK ENERGY WITH CURRENT OBSERVATIONS. The Astrophysical Journal. 714(2). 1460–1469. 6 indexed citations
9.
Alam, Ujjaini & Varun Sahni. (2006). Confronting braneworld cosmology with supernova data and baryon oscillations. Physical review. D. Particles, fields, gravitation, and cosmology. 73(8). 69 indexed citations
10.
Shafieloo, Arman, Ujjaini Alam, Varun Sahni, & Alexei A. Starobinsky. (2006). Smoothing supernova data to reconstruct the expansion history of the Universe and its age. Monthly Notices of the Royal Astronomical Society. 366(3). 1081–1095. 125 indexed citations
11.
Shafieloo, Arman, Ujjaini Alam, & Varun Sahni. (2006). Smoothing supernova data to reconstruct the expansion history of the universe. CERN Bulletin.
12.
Alam, Ujjaini, Varun Sahni, & Alexei A. Starobinsky. (2004). The case for dynamical dark energy revisited. 225 indexed citations
13.
Alam, Ujjaini, Varun Sahni, Tarun Deep Saini, & Alexei A. Starobinsky. (2004). Is there supernova evidence for dark energy metamorphosis?. Monthly Notices of the Royal Astronomical Society. 354(1). 275–291. 316 indexed citations
14.
Alam, Ujjaini, Varun Sahni, & Alexei A. Starobinsky. (2003). Is dark energy decaying. arXiv (Cornell University). 2 indexed citations
15.
Alam, Ujjaini, Varun Sahni, Tarun Deep Saini, & Alexei A. Starobinsky. (2003). Exploring the expanding Universe and dark energy using the statefinder diagnostic. Monthly Notices of the Royal Astronomical Society. 344(4). 1057–1074. 592 indexed citations breakdown →
16.
Sahni, Varun, Tarun Deep Saini, Alexei A. Starobinsky, & Ujjaini Alam. (2003). Statefinder—A new geometrical diagnostic of dark energy. Journal of Experimental and Theoretical Physics Letters. 77(5). 201–206. 990 indexed citations breakdown →
17.
Alam, Ujjaini, Varun Sahni, & Alexei A. Starobinsky. (2003). Can dark energy be decaying?. Journal of Cosmology and Astroparticle Physics. 2003(4). 2–2. 49 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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