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PreprintarXiv licencearXiv

Total positivity in coordinate algebras

Abstract

We define the totally positive part of the coordinate algebra associated to a Cartan datum of simply laced type. We show its relation to the canonical basis of the corresponding plus part of the enveloping algebra.

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BibTeX
@misc{lusztig2026total,
  title = {{Total positivity in coordinate algebras}},
  author = {G. Lusztig},
  howpublished = {arXiv},
  year = {2026},
  month = oct,
  doi = {10.48550/arxiv.2609.01321},
  eprint = {2609.01321},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2609.01321},
}
RIS
TY  - UNPB
TI  - Total positivity in coordinate algebras
AU  - G. Lusztig
PY  - 2026
DA  - 2026/10/27
PB  - arXiv
DO  - 10.48550/arxiv.2609.01321
UR  - https://arxiv.org/abs/2609.01321
AB  - We define the totally positive part of the coordinate algebra associated to a Cartan datum of simply laced type. We show its relation to the canonical basis of the corresponding plus part of the enveloping algebra.
ER  -