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arxiv: 2605.18061 · v1 · pith:AWZUUHKRnew · submitted 2026-05-18 · 🧮 math.HO

Meeting Solomon Marcus

Pith reviewed 2026-05-20 00:24 UTC · model grok-4.3

classification 🧮 math.HO
keywords rackstrigonometryEuler formulasalgebraic structureshigh-school problemSolomon Marcus
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0 comments X

The pith

Trigonometric elements and Euler formulas can be defined on racks.

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

Dedicated to Solomon Marcus, the paper recreates the spirit of past meetings by starting with a high-school problem. The main contribution is a section on racks that presents elements of trigonometry and the associated Euler formulas. This framework allows classical concepts to be explored in abstract algebra. Sympathetic readers might care because it suggests ways to generalize familiar tools to new structures.

Core claim

The paper establishes that elements of trigonometry can be presented in racks, together with Euler formulas associated in this framework.

What carries the argument

Racks as algebraic structures equipped with trigonometric operations that support associated Euler formulas.

Load-bearing premise

Racks can meaningfully support trigonometric elements and associated Euler formulas while remaining consistent algebraic objects.

What would settle it

A concrete rack together with explicit definitions of sine and cosine on it for which the proposed Euler formula fails to hold for some element would disprove the claim.

read the original abstract

Dedicated to Solomon Marcus, the current paper continues a recent series about our meetings. Trying to recreate the spirit of those meetings, we first propose a discussion which started as a high-school problem. The main part of the current paper consists in a section about racks. It presents elements of trigonometry in racks, and Euler formulas associated in this framework

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit. Tearing a paper down is the easy half of reading it; the pith above is the substance, this is the friction.

Referee Report

0 major / 2 minor

Summary. Dedicated to Solomon Marcus, the manuscript continues the author's series of papers on their meetings. It opens with a discussion that began as a high-school problem and devotes its main section to presenting elements of trigonometry defined in the algebraic setting of racks together with associated Euler formulas.

Significance. If the presentation is carried out as described, the paper contributes an informal, exploratory perspective within the math.HO genre. It may encourage readers to consider how classical identities such as Euler's formula can be formulated in non-standard algebraic structures like racks, though the work makes no claim to new theorems, preservation of algebraic properties, or rigorous verification.

minor comments (2)
  1. The transition from the high-school problem discussion to the racks section could be clarified with a short bridging paragraph to improve narrative coherence.
  2. A brief, self-contained reminder of the definition of a rack (e.g., the two axioms) would help readers who are not already familiar with the structure before the trigonometric elements are introduced.

Simulated Author's Rebuttal

0 responses · 0 unresolved

We thank the referee for their positive assessment of the manuscript and for recommending acceptance. We appreciate the recognition that the work offers an informal, exploratory perspective in the math.HO genre without claiming new theorems or rigorous algebraic verifications.

Circularity Check

0 steps flagged

No significant circularity; descriptive tribute paper is self-contained

full rationale

The paper is a personal tribute in the math.HO genre continuing a series of meetings with Solomon Marcus. Its central claim is purely descriptive: the manuscript includes a section presenting elements of trigonometry in racks together with associated Euler formulas. No derivation chain, first-principles result, fitted parameter, or uniqueness theorem is asserted that could reduce to its own inputs by construction. The informal high-school-problem origin further confirms the content is exploratory rather than axiomatic, rendering the paper self-contained against external benchmarks with no load-bearing self-citation or self-definitional step.

Axiom & Free-Parameter Ledger

0 free parameters · 1 axioms · 0 invented entities

Review based solely on the abstract; the paper implicitly relies on the standard definition of racks as algebraic structures but introduces no explicit free parameters, new axioms, or invented entities in the provided summary.

axioms (1)
  • domain assumption Racks are algebraic structures equipped with operations satisfying the rack axioms used in knot theory and related fields.
    Invoked implicitly when the abstract states that trigonometry and Euler formulas are presented in this framework.

pith-pipeline@v0.9.0 · 5557 in / 1226 out tokens · 61459 ms · 2026-05-20T00:24:23.071700+00:00 · methodology

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Lean theorems connected to this paper

Citations machine-checked in the Pith Canon. Every link opens the source theorem in the public Lean library.

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matches
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supports
The theorem supports part of the paper's argument, but the paper may add assumptions or extra steps.
extends
The paper goes beyond the formal theorem; the theorem is a base layer rather than the whole result.
uses
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contradicts
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unclear
Pith found a possible connection, but the passage is too broad, indirect, or ambiguous to say the theorem truly supports the claim.

Reference graph

Works this paper leans on

19 extracted references · 19 canonical work pages · 3 internal anchors

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