Empirica
See our work
Sign inGet in touch

Search Empirica

Searches publications, course lessons, notes, rankings submissions, and live news ingest. Also available as GET /api/search?q=… for agents.

30 results for Categorical Spectralism

Course Lesson (1)

Course Lesson·writing·2026-06-07

Categorical and Structural Equivalence as Hedging Strategy: A Practical Guide to Isomorphic Payoff Structures

Two assets can exhibit high historical correlation without being structurally equivalent. Correlation measures co-movement in returns; structural equivalence asks whether assets respond to identical risk factors through mathematically analo

Note (4)

Note·math·2026-06-19

Categorical Spectralism — spectral decomposition of portfolio return spaces

About·The Forward-Data Process·See our work·Data Snapshot·Agent-Readiness Benchmark·Verify·Methodology·Contact·Sign in·Privacy·Terms·Services terms
© 2026 Empirica Technologies Pty Ltd · ABN 76 698 226 247 · All rights reserved.
empiricaai.org

# Categorical Spectralism: Eigenvalue Spectrum Structure and Regime Dynamics in Large-Cap US Equities ## Question Does the eigenvalue spectrum of large-cap US equity returns exhibit Marchenko-Pastur

Note·quant·2026-06-18

Categorical Spectralism factor basis — spectral decomposition of return covariance as factor proxy

# Categorical Spectralism: Spectral Decomposition of Return Covariance as a Factor Basis ## Overview Categorical spectralism applies eigenvalue decomposition to empirical return covariance matrices,

Note·math·2026-06-19

Categorical and structural equivalence as hedging strategy — isomorphic payoff structures across asset classes

# Categorical and Structural Equivalence as Hedging Strategy: Gold and Crude Oil Return Dynamics ## Question Do gold (GLD) and crude oil (USO) exhibit structurally equivalent return dynamics—measure

Note·math·2026-06-18

Categorical Equivalence for Hedging: Empirical Validation and Cross-Asset Replication

# Categorical Equivalence for Hedging: Empirical Validation and Cross-Asset Replication ## Question Do equity indices (SPY, QQQ, IWM), emerging markets (EEM), bonds (AGG, TLT), commodities (GLD, USO

Rankings (1)

Rankings·external·2026-06-11

The Measurement of Observer Agreement for Categorical Data

This paper presents a general statistical methodology for the analysis of multivariate categorical data arising from observer reliability studies. The procedure essentially involves the construction of functions of the observed proportions

News (24)

News·IEEE Spectrum·2026-06-19

Atomically Thin Materials Significantly Shrink Qubits

<img src="https://spectrum.ieee.org/media-library/a-golden-square-package-holds-a-small-processor-sitting-on-top-is-a-metal-square-with-mit-etched-into-it.jpg?id=29281587&amp;width=1245&amp;height=700

News·IEEE Spectrum·2026-06-19

How AI Will Change Chip Design

<img src="https://spectrum.ieee.org/media-library/layered-rendering-of-colorful-semiconductor-wafers-with-a-bright-white-light-sitting-on-one.jpg?id=29285079&amp;width=1245&amp;height=700&amp;coordina

News·IEEE Spectrum·2026-06-19

Andrew Ng: Unbiggen AI

<img src="https://spectrum.ieee.org/media-library/andrew-ng-listens-during-the-power-of-data-sooner-than-you-think-global-technology-conference-in-brooklyn-new-york-on-wednes.jpg?id=29206806&amp;width

News·IEEE Spectrum·2026-06-19

Understanding Phase Noise and Its Impact on RF System Performance

A practical introduction t

News·IEEE Spectrum·2026-06-19

Finding Success in Industry as a Chip Designer

<img src="https://spectrum.ieee.org/media-library/engineer-testing-electronic-components-at-a-lab-bench-with-cables-and-equipment.png?id=66821207&amp;width=1245&amp;height=700&amp;coordinates=0%2C97%2

News·IEEE Spectrum·2026-06-19

Make a Soft Digital Clock Tick With Millifluidics

<img src="https://spectrum.ieee.org/media-library/a-desktop-with-a-red-silicone-surface-where-a-typical-clock-would-have-7-segment-leds-numbers-are-formed-from-concave-depressio.png?id=66826918&amp;wi

News·IEEE Spectrum·2026-06-19

Poetry for Engineers: Cyborg Laboratory

<img src="https://spectrum.ieee.org/media-library/illustration-of-a-1950s-businessman-with-modern-robotic-limbs-collaged-over-his-arm-and-leg.jpg?id=66831451&amp;width=1245&amp;height=700&amp;coordina

News·IEEE Spectrum·2026-06-19

This DIY Bipedal Robot Used Pneumatic “Air-Muscles” Instead of Motors

<img src="https://spectrum.ieee.org/media-library/two-photos-of-a-prototype-humanoid-robot-with-a-wooden-frame-and-wires-and-other-components-strung-on-its-body.jpg?id=66825613&amp;width=1245&amp;heig

News·IEEE Spectrum·2026-06-19

Why Sardinians Are Fighting the Renewable Energy Transition

<img src="https://spectrum.ieee.org/media-library/five-workers-in-reflective-safety-gear-and-helmets-standing-in-an-underground-tunnel.jpg?id=66832214&amp;width=1245&amp;height=700&amp;coordinates=0%2

News·IEEE Spectrum·2026-06-19

IEEE President’s Note: Designing a Safer Digital World for Kids

<

News·IEEE Spectrum·2026-06-19

Direct-to-Cell Technology: Enabling Satellite Connectivity for Legacy Devices

Direct-to-cell technology

News·IEEE Spectrum·2026-06-19

What It Takes for Future-Ready Power Distribution

<img src="https://spectrum.ieee.org/media-library/utility-workers-inspect-electrical-equipment-beside-a-service-truck-on-a-grassy-site.jpg?id=66649065&amp;width=1245&amp;height=700&amp;coordinates=0%2

News·IEEE Spectrum·2026-06-19

7 Ways New Engineers Can Flourish in the Age of AI

<img src="https://spectrum.ieee.org/media-library/collage-of-a-white-female-college-graduate-surrounded-by-technical-symbols.jpg?id=66852442&amp;width=1245&amp;height=700&amp;coordinates=0%2C288%2C0%2

News·IEEE Spectrum·2026-06-19

50 Years of The Institute

<a

News·IEEE Spectrum·2026-06-19

IEEE Celebrates Technology’s Brightest Minds at Annual Event

<img src="https://spectrum.ieee.org/media-library/a-dimly-lit-ballroom-filled-with-dinner-tables-during-an-awards-ceremony.jpg?id=66857734&amp;width=1245&amp;height=700&amp;coordinates=0%2C187%2C0%2C1

News·IEEE Spectrum·2026-06-19

Beyond Dexterity: Why Contact May Define the Next Era of Robotics

<img src="https://spectrum.ieee.org/media-library/humanoid-robot-with-four-arms-holding-a-red-balloon-sculpture-at-a-tech-expo.jpg?id=66870200&amp;width=1245&amp;height=700&amp;coordinates=0%2C0%2C0%2

News·IEEE Spectrum·2026-06-19

The Computer Science Degree Isn’t Dead

<img src="https://spectrum.ieee.org/media-library/an-illustration-of-stylized-people-wearing-business-casual-clothing.webp?id=65257424&amp;width=1245&amp;height=700&amp;coordinates=0%2C112%2C0%2C113"

News·IEEE Spectrum·2026-06-19

The Pros and Cons of Job Hopping as an Engineer

<img src="https://spectrum.ieee.org/media-library/an-illustration-of-stylized-people-wearing-business-casual-clothing.webp?id=65257424&amp;width=1245&amp;height=700&amp;coordinates=0%2C112%2C0%2C113"

News·IEEE Spectrum·2026-06-19

What Size Company Is Right for You?

<img src="https://spectrum.ieee.org/media-library/an-illustration-of-stylized-people-wearing-business-casual-clothing.webp?id=65257424&amp;width=1245&amp;height=700&amp;coordinates=0%2C112%2C0%2C113"

News·IEEE Spectrum·2026-06-19

We Are Crowdsourcing the Panopticon

<img src="https://spectrum.ieee.org/media-library/an-illustration-of-a-phone-with-an-eye-on-it-and-several-rings-of-snake-ouroboros.jpg?id=66820296&amp;width=1245&amp;height=700&amp;coordinates=0%2C31

News·IEEE Spectrum·2026-06-19

EPICS in IEEE’s Awards Honor Outstanding Students and Faculty

<

News·IEEE Spectrum·2026-06-19

Defining Autonomy for Wellness Robots in Senior Care

An examinatio

News·IEEE Spectrum·2026-06-19

Why Orbital Data Centers Are Harder Than Silicon Valley Thinks

News·IEEE Spectrum·2026-06-19

Award-Winning Researcher Trains Robots to Make Educated Guesses

<img src="https://spectrum.ieee.org/media-library/a-young-asian-professor-monitors-her-student-as-they-control-a-robotic-gripper.jpg?id=66879067&amp;width=1245&amp;height=700&amp;coordinates=0%2C469%2