S&TGS3

Anima Anandkumar Named TIME100 AI for Neural Operators Advancing Science

Indian Express·2026-09-01· Read original

"Anima Anandkumar Named TIME100 AI for Neural Operators Advancing Science"

Prelims Facts

  • •Anima Anandkumar completed her B-Tech in electrical engineering from IIT Madras in 2004 and her PhD from Cornell University in 2009.
  • •Neural Operators are AI models that learn mappings between functions, enabling simulation of physical processes at different scales, a capability previously requiring supercomputers.
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Key Terms

Neural Operators

AI models that learn mappings between functions, enabling multi-scale physical simulation.

FourCastNet

An AI weather forecasting model using Neural Operators, thousands of times faster than conventional methods.

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Study Note

BackgroundCore Concept

Background

Artificial Intelligence (AI) began as an attempt to simulate human cognitive functions, learning, reasoning, and problem-solving, in machines. Early AI systems were rule-based and narrow, capable only of tasks explicitly programmed by humans. The shift to machine learning allowed systems to learn patterns from data rather than from fixed rules. A further leap came with deep learning, which uses layered neural networks to process complex, high-dimensional data such as images, text, and speech.

For decades, AI and the physical sciences operated largely in parallel. Scientific simulation, modelling weather, fluid dynamics, nuclear reactions, or molecular behaviour, relied on classical numerical methods and supercomputers. These methods are accurate but extremely slow and computationally expensive. The idea of using AI to replace or accelerate these simulations is relatively recent, and it represents one of the most consequential frontiers in applied science today.

India has a strong tradition of contributing to this frontier through its diaspora. Scientists trained at institutions such as IIT Madras and IIT Bombay have gone on to lead foundational AI research at top global universities and technology companies. This pattern of academic excellence feeding into global scientific leadership is itself a recurring theme in UPSC's coverage of Indian achievements in science and technology.

The Topic Explained

Neural Operators are a class of AI models designed to learn and solve differential equations, the mathematical language of physical processes. Traditional AI models learn mappings between fixed-dimensional inputs and outputs. Neural Operators go further: they learn mappings between functions, which means they can generalise across different resolutions and scales of a physical system. This makes them far more powerful for scientific simulation than standard neural networks.

The practical significance is enormous. Physical simulations that once required hours or days on a supercomputer can, using Neural Operator-based methods, be completed in seconds. Anima Anandkumar's research group at Caltech pioneered this approach. One direct product is FourCastNet, a weather forecasting model built with her team at NVIDIA that can generate forecasts thousands of times faster than conventional numerical weather prediction systems. …

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Related PYQs

2023GS3 Mains

Introduce the concept of Artificial Intelligence (AI). How does AI help clinical diagnosis? Do you perceive any threat to privacy of the individual in the use of AI in healthcare?

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2026GS1 Prelims

Consider the following statements with respect to the AI Impact Summit, 2026 held in New Delhi:

1.The Summit's intellectual framework was based on three foundational Sutras: People, Planning, and Progress.

2.The Preamble of the Summit stresses Democratising AI Resources, which acknowledges the Charter for Democratic Diffusion of AI as a binding framework to support locally relevant innovation and strengthen resilient AI ecosystems while respecting national laws.

3.The New Delhi Declaration on AI Impact was structured around seven Chakras (Pillars), which included Access for Social Empowerment, AI for Science, and Secure and Trusted AI.

Which of the statements given above is/are correct?

A1, 2 and 3
B1 and 2 only
C2 and 3 only
D3 only
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2026GS1 Prelims

Which of the following statements with regard to Large Language Models (LLMs) used in machine learning is/are correct?

1.LLMs assign probabilities to the next possible word and then pick the one with the highest probability.

2.LLMs process data through mathematical optimization to minimise prediction errors.

3.LLMs produce unbiased outputs.

Select the answer using the code given below:

A1 only
B1 and 2 only
C2 and 3 only
D1, 2 and 3
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Practice MCQs

S&Tmedium

Consider the following statements regarding Neural Operators in Artificial Intelligence:

1.Neural Operators learn mappings between functions, enabling them to generalise across different scales of a physical system.

2.Neural Operators were developed primarily to improve natural language processing tasks such as text summarisation.

3.FourCastNet is a weather forecasting model built using the Neural Operator approach.

4.Neural Operators can simulate physical processes thousands of times faster than conventional supercomputer-based numerical methods.

Which of the statements given above are correct?

A1, 3 and 4 only
B1 and 2 only
C2, 3 and 4 only
D1, 2, 3 and 4
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S&Tmedium

Match the following AI research contributions with their respective application domains:

List I (Contribution) — List II (Domain)

A.FourCastNet model — 1. Nuclear fusion simulation

B.Neural Operator-based plasma simulation — 2. Weather forecasting

C.Quantum dot design using AI methods — 3. Medical device safety

D.Catheter with 100x reduced bacterial contamination — 4. Quantum computing hardware

Select the correct match:

AA-2, B-1, C-4, D-3
BA-1, B-2, C-3, D-4
CA-2, B-4, C-1, D-3
DA-3, B-1, C-4, D-2
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S&Thard

Consider the following statements regarding Anima Anandkumar's academic and professional background:

1.She completed her undergraduate degree in electrical engineering from IIT Madras.

2.She received her PhD from the Massachusetts Institute of Technology (MIT).

3.She played a central role in building Amazon SageMaker during her tenure at Amazon Web Services.

4.She holds concurrent positions at Caltech and NVIDIA.

Which of the statements given above is/are correct?

A1, 3 and 4 only
B1 and 2 only
C2, 3 and 4 only
D1, 2, 3 and 4
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S&Tmedium

With reference to the AI Impact Summit held in New Delhi, consider the following statements:

1.The New Delhi Declaration was structured around seven pillars, one of which was 'AI for Science'.

2.The Summit was co-chaired by India and the United Kingdom.

3.'Secure and Trusted AI' was one of the seven pillars of the New Delhi Declaration.

Which of the statements given above is/are correct?

A1 and 3 only
B1, 2 and 3
C2 and 3 only
D1 only
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S&Teasy

Which of the following correctly describes the primary distinction between Neural Operators and conventional neural network models used in machine learning?

ANeural Operators learn mappings between functions and can generalise across different scales, while conventional models learn fixed-dimensional input-output mappings.
BNeural Operators are designed exclusively for natural language processing, while conventional models handle image and audio data.
CNeural Operators require significantly more training data than conventional models and are therefore limited to large technology companies.
DNeural Operators replace human scientists entirely in experimental design, while conventional models only assist in data analysis.
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