Search Results - "Rubio Y Degrassi, Lleonard"

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  1. 1

    On the Lie algebra structure of integrable derivations by Briggs, Benjamin, Rubio y Degrassi, Lleonard

    “…Abstract Building on work of Gerstenhaber, we show that the space of integrable derivations on an Artin algebra forms a Lie algebra, and a restricted Lie…”
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    Journal Article
  2. 2

    The first Hochschild cohomology as a Lie algebra by Rubio y Degrassi, Lleonard, Schroll, Sibylle, Solotar, Andrea

    Published in Quaestiones mathematicae (02-09-2023)
    “…In this paper we study sufficient conditions for the solvability of the first Hochschild cohomology of a finite dimensional algebra as a Lie algebra in terms…”
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    Journal Article
  3. 3

    Stable invariance of the restricted Lie algebra structure of Hochschild cohomology by Briggs, Benjamin, Rubio y Degrassi, Lleonard

    Published in Pacific journal of mathematics (2022)
    “…We show that the restricted Lie algebra structure on Hochschild cohomology is invariant under stable equivalences of Morita type between self-injective…”
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    Journal Article
  4. 4

    The Hochschild cohomology groups under gluing arrows by Liu, Yuming, Rubio y Degrassi, Lleonard, Wen, Can

    Published in Communications in algebra (01-09-2024)
    “…In a previous paper we have compared the Hochschild cohomology groups of finite dimensional monomial algebras under gluing two idempotents. In the present…”
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    Journal Article
  5. 5
  6. 6

    Invariance of the restricted p-power map on integrable derivations under stable equivalences by Rubio y Degrassi, Lleonard

    Published in Journal of algebra (01-01-2017)
    “…We show that the p-power maps in the first Hochschild cohomology space of finite-dimensional selfinjective algebras over a field of prime characteristic p…”
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    Journal Article
  7. 7

    Stable invariance of the restricted Lie algebra structure of Hochschild cohomology by Briggs, Benjamin, Degrassi, Lleonard Rubio y

    Published 15-09-2021
    “…Pacific J. Math. 321 (2022) 45-71 We show that the restricted Lie algebra structure on Hochschild cohomology is invariant under stable equivalences of Morita…”
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    Journal Article
  8. 8

    Maximal Tori in HH 1 and the Fundamental Group by Briggs, Benjamin, Rubio y Degrassi, Lleonard

    Published in International mathematics research notices (23-03-2023)
    “…Abstract We investigate maximal tori in the Hochschild cohomology Lie algebra ${\operatorname {HH}}^1(A)$ of a finite dimensional algebra $A$, and their…”
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    Journal Article
  9. 9

    On the first relative Hochschild cohomology and contracted fundamental group by Lindell, Jonathan, Degrassi, Lleonard Rubio y

    Published 05-11-2024
    “…In this paper we investigate the Lie algebra structure of the first relative Hochschild cohomology and its relation with the relative notion of fundamental…”
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    Journal Article
  10. 10

    On the Lie algebra structure of integrable derivations by Briggs, Benjamin, Degrassi, Lleonard Rubio y

    Published 03-05-2022
    “…Building on work of Gerstenhaber, we show that the space of integrable derivations on an Artin algebra $A$ forms a Lie algebra, and a restricted Lie algebra if…”
    Get full text
    Journal Article
  11. 11

    The Hochschild cohomology groups under gluing arrows by Liu, Yuming, Degrassi, Lleonard Rubio y, Wen, Can

    Published 16-07-2023
    “…In a previous paper arXiv:2211.05435 we have compared the Hochschild cohomology groups of finite dimensional monomial algebras under gluing two idempotents. In…”
    Get full text
    Journal Article
  12. 12

    Maximal tori in $HH^1$ and the fundamental group by Briggs, Benjamin, Degrassi, Lleonard Rubio y

    Published 08-09-2021
    “…We investigate maximal tori in the Hochschild cohomology Lie algebra $HH^1(A)$ of a finite dimensional algebra $A$, and their connection with the fundamental…”
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    Journal Article
  13. 13

    The Hochschild cohomology groups under gluing idempotents by Liu, Yuming, Degrassi, Lleonard Rubio y, Wen, Can

    Published 10-11-2022
    “…We compare the first Hochschild cohomology groups of finite dimensional monomial algebras under gluing two idempotents. We also compare the fundamental groups…”
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    Journal Article
  14. 14

    On the Lie algebra structure of $HH^1(A)$ of a finite-dimensional algebra $A by Linckelmann, Markus, Degrassi, Lleonard Rubio y

    Published 20-03-2019
    “…Let $A$ be a split finite-dimensional associative unital algebra over a field. The first main result of this note shows that if the Ext-quiver of $A$ is a…”
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    Journal Article
  15. 15

    Invariance of the restricted $p$-power map on integrable derivations under stable equivalences by Degrassi, Lleonard Rubio y

    Published 14-09-2015
    “…We show that the $p$-power maps in the first Hochschild cohomology space of finite-dimensional selfinjective algebras over a field of prime characteristic $p$…”
    Get full text
    Journal Article
  16. 16

    The first Hochschild cohomology as a Lie algebra by Degrassi, Lleonard Rubio y, Schroll, Sibylle, Solotar, Andrea

    Published 28-03-2019
    “…In this paper we study sufficient conditions for the solvability of the first Hochschild cohomology of a finite dimensional algebra as a Lie algebra in terms…”
    Get full text
    Journal Article
  17. 17

    Block algebras with HH1 a simple Lie algebra by Linckelmann, Markus, Degrassi, Lleonard Rubio y

    Published 25-11-2016
    “…We show that if $B$ is a block of a finite group algebra $kG$ over an algebraically closed field $k$ of prime characteristic $p$ such that $\HH^1(B)$ is a…”
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