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Siva Athreya

Tata Institute of Fundamental ResearchIN
ORCID0000-0002-0501-1433
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14

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Citations
540

via OpenAlex

Publications
96

About

Siva Athreya is a researcher at the Tata Institute of Fundamental Research. With a research focus on statistical inference and mathematical modeling, Athreya has published 13 papers between 2008 and 2026, exploring topics such as random processes, optimization, and epidemiology. Their work often employs thermodynamic formalism and controlled martingale problems to tackle complex problems in fields like public health.

Research areas

  • Mathematics
  • Combinatorics
  • Physics
  • Mathematical analysis
  • Statistics

Publications (96)

Sorted by most cited.

  1. Degenerate stochastic differential equations and super-Markov chains

    2002

    View DOI
    52 cites

  2. The gap between Gromov-vague and Gromov–Hausdorff-vague topology

    2016

    View DOI
    44 cites

  3. Infinite Volume Limit for the Stationary Distribution of Abelian Sandpile Models

    2004

    View DOI
    43 cites

  4. The burden of active infection and anti-SARS-CoV-2 IgG antibodies in the general population: Results from a statewide sentinel-based population survey in Karnataka, India

    2021

    View DOI
    30 cites

  5. Well‐posedness of stochastic heat equation with distributional drift and skew stochastic heat equation

    2023

    View DOI
    25 cites

  6. Survival of contact processes on the hierarchical group

    2009

    View DOI
    23 cites

  7. Uniqueness for a class of one-dimensional stochastic PDEs using moment duality

    2000

    View DOI
    19 cites

  8. Brownian motion on ℝ-trees

    2012

    View DOI
    18 cites

  9. Infinite dimensional stochastic differential equations of Ornstein–Uhlenbeck type

    2005

    View DOI
    18 cites

  10. Systems of branching, annihilating, and coalescing particles

    2012

    View DOI
    17 cites

  11. Random directed trees and forest - drainage networks with dependence

    2008

    View DOI
    16 cites

  12. Hölder norm estimates for elliptic operators on finite and infinite-dimensional spaces

    2005

    View DOI
    16 cites

  13. The burden of active infection and anti-SARS-CoV-2 IgG antibodies in the general population: Results from a statewide survey in Karnataka, India

    2020

    View DOI
    15 cites

  14. Coupled models of genomic surveillance and evolving pandemics with applications for timely public health interventions

    2023

    View DOI
    14 cites

  15. Exit Time, Green Function and Semilinear Elliptic Equations

    2009

    View DOI
    12 cites

  16. On a Singular Semilinear Elliptic Boundary Value Problem and the Boundary Harnack Principle

    2002

    View DOI
    12 cites

  17. Monotonicity property for a class of semilinear partial differential equations

    2000

    View DOI
    12 cites

  18. Brownian motion on R trees

    2011

    View DOI
    10 cites

  19. Strategies to Mitigate COVID-19 Resurgence Assuming Immunity Waning: A Study for Karnataka, India

    2021preprint

    View DOI
    8 cites

  20. Ballistic Deposition on a Planar Strip

    2001

    View DOI
    8 cites

  21. Random Walk Among Mobile/Immobile Traps: A Short Review

    2019

    View DOI
    7 cites

  22. Quantifying spatial misallocation in centrally provided public goods

    2007

    View DOI
    6 cites

  23. On the coverage of space by random sets

    2004

    View DOI
    6 cites

  24. COVID-19 modeling for India and a roadmap for the future

    2022

    View DOI
    5 cites

  25. Central limit theorem for statistics of subcritical configuration models

    2018

    View DOI
    5 cites

  26. Critical age-dependent branching Markov processes and their scaling limits

    2010

    View DOI
    5 cites

  27. Second round statewide sentinel-based population survey for estimation of the burden of active infection and anti-SARS-CoV-2 IgG antibodies in the general population of Karnataka, India, during January-February 2021

    2021

    View DOI
    4 cites

  28. Supercritical age-dependent branching Markov processes and their scaling limits

    2011

    View DOI
    4 cites

  29. Effective Reproduction Number and Dispersion under Contact Tracing and Lockdown on COVID-19 in Karnataka

    Journal of the Indian Society for Probability and Statistics2021journal article

    View DOI
    3 cites

  30. DENSE GRAPH LIMITS UNDER RESPONDENT-DRIVEN SAMPLING

    2016

    3 cites

  31. Graphon-valued stochastic processes from population genetics

    2021

    View DOI
    2 cites

  32. Effective Reproduction Number and Dispersion under Contact Tracing and Lockdown on COVID-19 in Karnataka

    2020

    View DOI
    2 cites

  33. Strong existence and uniqueness for stable stochastic differential equations with distributional drift

    2020

    View DOI
    2 cites

  34. Harnack Inequality for Non-Local Schrödinger Operators

    2017

    View DOI
    2 cites

  35. Spatial coupling of neutral measure-valued population models

    2005

    View DOI
    2 cites

  36. Controlled Martingale Problems and Their Markov Mimics

    SIAM Journal on Control and Optimization2024journal article

    View DOI
    1 cites

  37. A Multi-Team Multi-Model Collaborative Covid-19 Forecasting Hub for India

    2023

    View DOI
    1 cites

  38. Path convergence of Markov chains on large graphs

    2023

    View DOI
    1 cites

  39. COVID-19: Optimal Design of Serosurveys for Disease Burden Estimation

    Sankhya B2022journal article

    View DOI
    1 cites

  40. IMPACT OF WEEKNIGHT AND WEEKEND CURFEWS USING MOBILITY DATA: A CASE STUDY OF BENGALURU URBAN

    2022preprint

    View DOI
    1 cites

  41. Small ball probabilities and a support theorem for the stochastic heat equation

    2021

    View DOI
    1 cites

  42. Simultaneous Small Noise Limit for Singularly Perturbed Slow-Fast Coupled Diffusions

    2019

    View DOI
    1 cites

  43. Branching-coalescing particle systems

    2009

    View DOI
    1 cites

  44. Correction to: Branching-coalescing particle systems

    2009

    View DOI
    1 cites

  45. Survival of contact processes on the hierarchical group

    2008

    View DOI
    1 cites

  46. QUANTIFYING SPATIAL MISALLOCATION IN CENTRALLY PROVIDED PUBLIC GOODS

    2006

    1 cites

  47. Localized wastewater surveillance showed correlation but no early warning during Bengaluru’s Omicron wave

    PLOS Global Public Health2026journal article

    View DOI
    0 cites

  48. Survival of a long random string among hard Poisson traps

    2026

    0 cites

  49. Small noise asymptotics for a class of jump-diffusions with heavy tails for large times

    2026

    0 cites

  50. Sausage volume of the random string and survival in a medium of Poisson traps

    2026

    View DOI
    0 cites

  51. Publisher Correction: Analytically weak and mild solutions to stochastic heat equation with irregular drift

    2026

    View DOI
    0 cites

  52. A unified measure for cognitive reserve that transcends rural and urban populations: Insights from two aging cohorts in southern India

    2025

    View DOI
    0 cites

  53. An Invariance Principle for a Random Walk Among Moving Traps via Thermodynamic Formalism

    Communications in Mathematical Physics2025journal article

    View DOI
    0 cites

  54. Preface to the Special Issue “The Ising model at 100: some modern perspectives”

    2025

    View DOI
    0 cites

  55. Analytically weak and mild solutions to stochastic heat equation with irregular drift

    2025

    View DOI
    0 cites

  56. Publisher Correction: On a Generalisation of the Coupon Collector Problem

    2025

    View DOI
    0 cites

  57. The Moran model with random resampling rates

    2025

    View DOI
    0 cites

  58. On a Generalisation of the Coupon Collector Problem

    2025

    View DOI
    0 cites

  59. Co-evolving vertex and edge dynamics in dense graphs

    2025

    View DOI
    0 cites

  60. Cognitive Reserve in Rural and Urban Populations: Insights from Two Aging Cohorts in Southern India

    2025

    View DOI
    0 cites

  61. Analytically weak and mild solutions to stochastic heat equation with irregular drift

    2024

    View DOI
    0 cites

  62. The Moran model with random resampling rates

    2024

    View DOI
    0 cites

  63. Corrigendum to “Second round statewide sentinel-based population survey for estimation of the burden of active infection and anti-SARS-CoV-2 IgG antibodies in the general population of Karnataka, India, during January-February 2021” [IJID Regions Vol 1(2021) pages 107–116]

    2024

    View DOI
    0 cites

  64. An Invariance Principle for a Random Walk Among Moving Traps via Thermodynamic Formalism

    2024

    View DOI
    0 cites

  65. Volume approximation of strongly <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.svg"><mml:mi mathvariant="double-struck">C</mml:mi></mml:math>-convex domains by random polyhedra

    2023

    View DOI
    0 cites

  66. Controlled Martingale Problems And Their Markov Mimics

    2023

    View DOI
    0 cites

  67. On a generalisation of the coupon collector problem

    2023

    View DOI
    0 cites

  68. Elliptic Harnack inequality for ℤd

    2022

    View DOI
    0 cites

  69. Sausage Volume of the Random String and Survival in a medium of Poisson Traps

    2022

    View DOI
    0 cites

  70. Volume Approximation of Strongly ${\mathbb C}$-Convex Domains by Random Polyhedra

    2022

    View DOI
    0 cites

  71. Elliptic Harnack Inequality for ${\mathbb{Z}}^d$

    2022

    View DOI
    0 cites

  72. SLLN and annealed CLT for random walks in I.I.D. random environment on Cayley trees

    2021

    View DOI
    0 cites

  73. Second round statewide survey for estimation of the burden of active infection and anti-SARS-CoV-2 IgG antibodies in the general population of Karnataka, India

    2021preprint

    View DOI
    0 cites

  74. Well-posedness of stochastic heat equation with distributional drift and skew stochastic heat equation

    2020

    View DOI
    0 cites

  75. Small ball probabilities and a support theorem for the stochastic heat\n equation

    2020

    View DOI
    0 cites

  76. S.L.L.N. and C.L.T. for Random Walks in I.I.D. Random Environment on\n Cayley Trees

    2020

    View DOI
    0 cites

  77. Simultaneous Small Noise Limit for Singularly Perturbed Slow-Fast\n Coupled Diffusions

    2018

    View DOI
    0 cites

  78. Strong existence and uniqueness for stable stochastic differential\n equations with distributional drift

    2018

    View DOI
    0 cites

  79. Respondent-Driven Sampling and Sparse Graph Convergence

    2018

    View DOI
    0 cites

  80. Smoothness of Flow and Path-by-Path Uniqueness in Stochastic\n Differential Equations

    2017

    View DOI
    0 cites

  81. Random Walk Among Mobile/Immobile Traps: A Short Review

    2017

    View DOI
    0 cites

  82. Random walks in I.I.D. random environment on Cayley trees

    2014

    View DOI
    0 cites

  83. Random Walks in I.I.D. Random Environment on Non-Abelian Free Groups

    2013

    0 cites

  84. One-dimensional Voter Model Interface Revisited

    2011

    View DOI
    0 cites

  85. Blowup and Conditionings of $ψ$-super Brownian Exit Measures

    2011

    View DOI
    0 cites

  86. On the range, local times and periodicity of random walk on an interval

    2010

    0 cites

  87. Correlated Drainage Model

    2009

    View DOI
    0 cites

  88. Random directed trees and forest

    2008

    0 cites

  89. Critical Age Dependent Branching Markov Processes and Their Scaling Limits

    2007

    View DOI
    0 cites

  90. SUPER CRITICAL AGE DEPENDENT BRANCHING MARKOV PROCESSES

    2007

    0 cites

  91. Infinite dimensional stochastic differential equations of Ornstein-Uhlenbeck type

    2005

    View DOI
    0 cites

  92. Connected at Infinity: A Selection of Mathematics by Indians

    2003

    0 cites

  93. Long Term Behavior of a Brownian ow with Jumps

    2002

    0 cites

  94. On a singular semilinear elliptic boundary value problem and the boundary Harnack principle

    1999

    View DOI
    0 cites

  95. Monotonicity property for a class of semilinear partial differential\n equations

    1999

    View DOI
    0 cites

  96. Uniqueness for a class of one-dimensional stochastic PDEs using moment\n duality

    1999

    View DOI
    0 cites