Floor 1200

Published so the result can be attacked.

Assumptions, calculations, sources and limits stay visible. Author of all entries: Gernot Feldbacher.

  1. UBS: How much backing is enough?

    Four proposals. One balance sheet. The missing variable is the loss assumption.

    Working paper / Sep 2026 / 5 pp.
    Status
    Working paper, version 2, 27 September 2026
    Full title
    UBS: How Much Backing Is Enough? CET1 backing of foreign participations at UBS AG: a two-margin calibration on Pillar 3 and the Credit Suisse loss
    Files
    Working paper (EN, 5 pp.), one-pager (EN), Kurzpapier (DE), ubs_backing.py, inputs.csv
    DOI
    10.5281/zenodo.22999219
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  2. The thermodynamic floor of cyclic atmospheric CO₂ removal

    The energy per tonne is set by the dilution of the feed, not by the number of plants built.

    Peer-reviewed article / 2026
    Status
    Peer-reviewed · Energy Efficiency First, article 100020, in press, online
    Full title
    The Thermodynamic Floor of Adsorption-Based Cyclic Atmospheric CO2 Removal: Energy Requirements That Scale with Dilution, Not Deployment
    DOI
    10.1016/j.eef.2026.100020 · ScienceDirect
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  3. Blind aggregates

    At an antagonistic corner every smooth scalar indicator hides one margin, and the geometry chooses which.

    Preprint / Sep 2026
    Status
    Preprint, Zenodo
    Full title
    Blind Aggregates: An Impossibility Theorem for Scalar Detection at Antagonistic Corners
    DOI
    10.5281/zenodo.22862705
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  4. Antagonistic corners of min-selectors

    Where no direction improves every binding margin at once, the geometry decides which margin binds next.

    Preprint / 2026
    Status
    Preprint, under review
    Full title
    Antagonistic Corners of Min-Selectors: Geometry, Switching Dynamics, and Nagumo Invariance
    Record
    SSRN 7449079
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  5. The price of sight

    An indicator that sees the failing margin must give up compensation between margins.

    Working note / Sep 2026
    Status
    Working note, Zenodo
    Full title
    The Price of Sight: Non-Compensation as the Cost of Detection at Antagonistic Corners
    DOI
    10.5281/zenodo.22894485
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  6. The EU carbon ledger's missing column

    Certified removal is measured with its energy, then recorded without it.

    Preprint / 2026
    Status
    Preprint, under review
    Full title
    The EU Carbon Ledger's Missing Column: Measured, then Discarded
    Record
    SSRN 7130398
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  7. Governing by physical constraint

    A policy instrument keeps its purpose only while it tracks the physical margin it governs.

    Working paper / 2026
    Status
    Working paper, under review · available on request
    Full title
    Governing by Physical Constraint: A Design Theory of Sustainability Policy Instruments
    Request
    info@floor1200.ch