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15
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Finding the Spectrum of an element of $\ell^\infty$

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#c-star-algebras #algebras
185
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Classification of subalgebras of composition algebras

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#abstract-algebra #reference-request #algebras #octonions #nonassociative-algebras
54
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Representing an algebra over a field using a quotient ring

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#abstract-algebra #field-theory #ideals #algebras
305
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Representing an finite-dimensional algebra over a field using a quotient ring

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#abstract-algebra #field-theory #ideals #algebras
86
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Equivalent definitions of Clifford algebra, verification

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#abstract-algebra #representation-theory #mathematical-physics #algebras #clifford-algebras
189
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Finite Algebras and Grobner Bases

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#algebraic-geometry #ring-theory #commutative-algebra #algebras #groebner-basis
530
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Finitely generated $k$-algebras beginner examples.

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#commutative-algebra #finitely-generated #algebras
714
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If B is a subalgebra of A, conclude that B closure is a subalgebra of A

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#real-analysis #sequences-and-series #functional-analysis #continuity #algebras
40
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Let $k$ a field, $k'$ a subfield, and $A$ any associative $k$-algebra. Can a quotient of $A$ ever yield $k'$?

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#abstract-algebra #algebraic-geometry #schemes #algebras
35
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Showing $M_1$ and $M_2$ are submodules of $M$, where $M$ is a module of a direct product algebra.

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#modules #representation-theory #algebras
320
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Associated Graded Algebra

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#abstract-algebra #algebras #graded-algebras
249
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Product of open maps open? (not the cartesian)

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#general-topology #locally-convex-spaces #algebras
51
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Given a $k$ algebra $A_0$, find another $k$ algebra $A$ with identity such that the extension $A_0\subseteq A$ has dimension $1$.

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#abstract-algebra #ring-theory #algebras
64
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k-algebra homomorphisms

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#abstract-algebra #algebras
73
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Does this change of basis exist?

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#linear-algebra #change-of-basis #algebras

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