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1121
Nested Polyhedra and Indices of Orbits of Coxeter Groups of Non-Crystallographic Type
Published 2020-10-01“…The invariants of finite-dimensional representations of simple Lie algebras, such as even-degree indices and anomaly numbers, are considered in the context of the non-crystallographic finite reflection groups <inline-formula><math display="inline"><semantics><msub><mi>H</mi><mn>2</mn></msub></semantics></math></inline-formula>, <inline-formula><math display="inline"><semantics><msub><mi>H</mi><mn>3</mn></msub></semantics></math></inline-formula> and <inline-formula><math display="inline"><semantics><msub><mi>H</mi><mn>4</mn></msub></semantics></math></inline-formula>. …”
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1122
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1123
Quiver subtractions
Published 2018-09-01“…One is the extension of the physical realization of Kraft-Procesi transitions from the classical to the exceptional Lie algebras. Another result is the extension from special nilpotent orbits to non-special ones. …”
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1124
Surjectivity of certain adjoint operators and applications
Published 2020-09-01“…Indeed, these authors, in their work about the finite co-dimension ideals of Lie algebras of vector fields, restricted their study to fields $$X_0$$ X 0 of the form $$X_0=\sum _{i=1}^{n}( \alpha _i \cdot x_i+\beta _i\cdot x_i^{1+m_i}) \frac{\partial }{\partial x_i}$$ X 0 = ∑ i = 1 n ( α i · x i + β i · x i 1 + m i ) ∂ ∂ x i , where $$\alpha _i, \beta _i $$ α i , β i are positive and $$m_i$$ m i are even natural integers. …”
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1125
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1126
The affine Yangian of gl₁, and the infinitesimal Cherednik algebras
Published 2014Get full text
Thesis -
1127
On Auslander-Reiten theory for algebras and derived categories
Published 2009“…We apply these results to <em>G</em>-transitive blocks of the universal enveloping algebras of restricted <em>p</em>-Lie algebras. Finally we deduce a condition for a smash product of a local basic algebra Λ with a commutative semi-simple group algebra to have components with Euclidean tree class, in terms of the components of the Auslander-Reiten quiver of Λ.…”
Thesis -
1128
Configurations in abelian categories. III. Stability conditions and identities
Published 2004“…Using these we define interesting (Lie) algebras of constructible functions H^{pa}_t,H^{to}_t and L^{pa}_t,L^{to}_t on Obj_A. …”
Journal article -
1129
Coherent sheaves on varieties arising in Springer theory, and category 0
Published 2015Get full text
Thesis -
1130
Symplectic geometry of conical symplectic resolutions
Published 2020“…The family of Nakajima Quiver Varieties, in particular, we study in detail those of Dynkin type A; and the family of resolutions of Slodowy varieties that arise from the representation theory of semisimple Lie algebras and involve Springer theory. In the latter, we also obtain some further families of Lagrangians using Springer theoretic methods and certain crystal operators.…”
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1131
Motivic coaction on generalized hypergeometric functions
Published 2024“…There has also been recent progress, of which I am a part, that was made in collaboration with Hadleigh Frost, Martijn Hidding, Carlos Rodriguez, Oliver Schlotterer and Bram Verbeek, where we bridge the two approaches mentioned above to give a Lie algebraic reformulation of the coaction conjecture as well as applications of the new approach to computing the single-valued (trivial monodromy) map for hypergeometric functions. …”
Thesis -
1132
Cayley–Klein Lie Bialgebras: Noncommutative Spaces, Drinfel’d Doubles and Kinematical Applications
Published 2021-07-01“…The Cayley–Klein (CK) formalism is applied to the real algebra <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi mathvariant="fraktur">so</mi><mo stretchy="false">(</mo><mn>5</mn><mo stretchy="false">)</mo></mrow></semantics></math></inline-formula> by making use of four graded contraction parameters describing, in a unified setting, 81 Lie algebras, which cover the (anti-)de Sitter, Poincaré, Newtonian and Carrollian algebras. …”
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1133
Rough paths, kernels, differential equations and an algebra of functions on streams
Published 2021“…The atomic objects in a) are described via different algebraic products and using classical combinatorial objects (Hall sets) arising in the study of free Lie algebras.</p> <p>[1] Franz J Király and Harald Oberhauser. …”
Thesis