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Quasi-Frobenius Lie algebra

If (\mathfrak{g},[\,\,\,,\,\,\,],\beta ) is a quasi-Frobenius Lie algebra, one can define on \mathfrak{g} another bilinear product \triangleleft by the formula.

Version
v1 · 2026-09-28 · History
Domain-specific #
11624
Domain group
Formal Sciences
Origin domain
Mathematics
Subdomain
Lie Theory → Mathematics

Core Idea

Quasi-Frobenius Lie algebra is treated here as the recurring Lie theory identity summarized by this source-grounded definition: If (\mathfrak{g},[\,\,\,,\,\,\,],\beta ) is a quasi-Frobenius Lie algebra, one can define on \mathfrak{g} another bilinear product \triangleleft by the formula. If \beta is a coboundary, which means that there exists a linear form f : \mathfrak{g}\to k such that. \beta : \mathfrak{g}\times\mathfrak{g}\to k , which is a Lie algebra 2-cocycle of \mathfrak{g} with values in k .

Scope of Application

  • In mathematics, a quasi-Frobenius Lie algebra. \beta : \mathfrak{g}\times\mathfrak{g}\to k , which is a Lie algebra 2-cocycle of \mathfrak{g} with values in k .

  • In mathematics, a quasi-Frobenius Lie algebra. \beta \left(\left[X,Y\right],Z\right)+\beta \left(\left[Z,X\right],Y\right)+\beta \left(\left[Y,Z\right],X\right)=0.

  • In mathematics, a quasi-Frobenius Lie algebra. If \beta is a coboundary, which means that there exists a linear form f : \mathfrak{g}\to k such that.

  • In mathematics, a quasi-Frobenius Lie algebra. If (\mathfrak{g},[\,\,\,,\,\,\,],\beta ) is a quasi-Frobenius Lie algebra, one can define on \mathfrak{g} another bilinear product \triangleleft by the formula.

  • In mathematics, a quasi-Frobenius Lie algebra. \beta \left(\left[X,Y\right],Z\right)=\beta \left(Z \triangleleft Y,X \right) .

Clarity

A clear use of Quasi-Frobenius Lie algebra names the carrier, the operative relation, and the conditions under which the source treats the identity as present. The minimal definition is If (\mathfrak{g},[\,\,\,,\,\,\,],\beta ) is a quasi-Frobenius Lie algebra, one can define on \mathfrak{g} another bilinear product \triangleleft by the formula.

Manages Complexity

Quasi-Frobenius Lie algebra compresses multiple Lie theory details into a stable diagnostic relation. The source shows both the central mechanism—\beta : \mathfrak{g}\times\mathfrak{g}\to k , which is a Lie algebra 2-cocycle of \mathfrak{g} with values in k .—and the practical consequence—over a field k is a Lie algebra. This compression makes cases comparable while leaving parameters, conventions, exceptions, and evidential quality explicit.

Abstract Reasoning

  1. Type the carrier. Identify the Lie theory entities to which the claim applies.
  2. State the relation. Use the source-grounded identity: If (\mathfrak{g},[\,\,\,,\,\,\,],\beta ) is a quasi-Frobenius Lie algebra, one can define on \mathfrak{g} another bilinear product \triangleleft by the formula.
  3. Check operation and conditions. \beta \left(\left[X,Y\right],Z\right)+\beta \left(\left[Z,X\right],Y\right)+\beta \left(\left[Y,Z\right],X\right)=0.
  4. Demand recognition evidence.

Knowledge Transfer

Within the home domain. Knowledge about Quasi-Frobenius Lie algebra transfers literally when a new case preserves the same carrier type, relation, and recognition test. \beta : \mathfrak{g}\times\mathfrak{g}\to k , which is a Lie algebra 2-cocycle of \mathfrak{g} with values in k . \beta \left(\left[X,Y\right],Z\right)+\beta \left(\left[Z,X\right],Y\right)+\beta \left(\left[Y,Z\right],X\right)=0. Beyond the home domain. No canonical parent is asserted for Quasi-Frobenius Lie algebra.

Neighborhood in Abstraction Space

Quasi-Frobenius Lie algebra sits in a crowded region of the domain-specific corpus (27th percentile for distinctiveness): several abstractions share nearly its structure, so a description that fits it tends to fit its neighbors too.

Family — Algebraic Structures, Groups & Operators (42 abstractions)

Nearest neighbors

Computed from structural-signature embeddings · 2026-10-08