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7 results

Preprint

A Ceiling Score Is Not a Physical Inference: Why Pretrained Video Encoders Look Physically Competent on One Benchmark and Near Chance on Its Successor, What a Clean Scene Lets a Readout Read Off, and the Rankability Checks a Physics Evaluation Owes

Pranay Mahendrakar 2026

(c) 2026 Pranay Mahendrakar. Licensed under CC BY 4.0. Life of Research Pretrained video and image encoders are now chosen as the perception front end of world models for manipulation partly on the strength of evaluations that are said to measure physical understanding: violation-of-expectation…

Cite Related research LOR-00156 · 3 views · 5 downloads Select “A Ceiling Score Is Not a Physical Inference: Why…” for export

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Journal article

Who Spoke Next Is Not Who Should Have: What Zero-Shot Failure on Multi-Party Turn-Taking Benchmarks Measures, Why the Human Reference Sits Beside the Models, and What Would Show That Knowing When to Speak Must Be Trained

Pranay Mahendrakar 2026

(c) 2026 Pranay Mahendrakar. Licensed under CC BY 4.0. An assistant that joins a group conversation has to decide, at every pause, whether to take the floor. Two 2026 benchmarks report that language models prompted zero-shot make this decision badly and that fine-tuning repairs it, and both…

Cite Related research LOR-00111 · 13 views · 30 downloads Select “Who Spoke Next Is Not Who Should Have: What Zero-Shot…” for export

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Journal article

A Blind Score Is Not a Reliance Measure: What Answering Without the Audio Shows About Audio-Language Benchmarks, Why the Partial-Input Debate Already Settled Half of It, and the Counterfactual-Audio Test the Other Half Needs

Pranay Mahendrakar 2026

(c) 2026 Pranay Mahendrakar. Licensed under CC BY 4.0. Audio-language models are now routinely tested with the audio taken away, and the results are read in opposite directions. One 2026 audit reports that eight models keep 60 to 72 percent of their accuracy on three benchmarks when the audio is…

Cite Related research LOR-00107 · 14 views · 20 downloads Select “A Blind Score Is Not a Reliance Measure: What Answering…” for export

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Journal article

What Counts as a Control? A Scaffold Effect Is a Contrast Conditional on What Was Held Fixed, the 2026 Controlled Studies Each Held Something Different, and Only a Declared Spend Interval Makes a Harness Claim Refutable

Pranay Mahendrakar 2026

(c) 2026 Pranay Mahendrakar. Licensed under CC BY 4.0. A language-model agent is a model wrapped in a harness that builds its context, exposes its tools, decides when to retry and when to stop. Several 2026 studies set out to measure how much the harness matters relative to the model, holding the…

Cite Related research LOR-00103 · 14 views · 61 downloads Select “What Counts as a Control? A Scaffold Effect Is a Contrast…” for export

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Journal article

Refusal Is Not a Rate: What a Context-Conditioned Refusal Policy Would Have to Specify, Why the Benchmarks That Score Context Assume It Is Verified, and the Provenance Term No Instrument Prices

Pranay Mahendrakar 2026

(c) 2026 Pranay Mahendrakar. Licensed under CC BY 4.0. A language model that refuses a harmful request and a model that refuses a harmless one produce the same event, and most of the literature on the jailbreak/over-refusal trade-off counts both as one refusal rate. The standard proposal for…

Cite Related research LOR-00055 · 17 views · 37 downloads Select “Refusal Is Not a Rate: What a Context-Conditioned Refusal…” for export

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Journal article

The Allowance Is Doing the Work: Constructed Premises in Chain-of-Thought Step Verification, What Formal Validity Still Certifies Once They Are Permitted, and the Dependence Test Argumentation Runs and Step Verification Does Not

Pranay Mahendrakar 2026

(c) 2026 Pranay Mahendrakar. Licensed under CC BY 4.0. A verifier that checks the steps of a chain of thought cannot demand that each step state everything it relies on, because no real step does. Every published step verifier therefore permits a class of premises that the text does not contain…

Cite Related research LOR-00023 · 10 views · 27 downloads Select “The Allowance Is Doing the Work: Constructed Premises in…” for export

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Journal article

Not Acting Is Not One Decision: Two Abstention Triggers in Tool-Using Agents, Why the Calibration and Permission Readings Cover Different Ones, and the Cost Term Neither Supplies

Pranay Mahendrakar 2026

(c) 2026 Pranay Mahendrakar. Licensed under CC BY 4.0. An agent that declines to send the email has made a decision that looks like the decision a language model makes when it declines to answer a question, and the resemblance has organised the 2026 literature into two camps. One reads not-acting…

Cite Related research LOR-00018 · 14 views · 73 downloads Select “Not Acting Is Not One Decision: Two Abstention Triggers in…” for export

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