Documentation contents

Reference

Script Files

The 52 files that all.at loads, in load order, with their 2281 definitions. Load them all with <all.at. Descriptions are the first line of each file’s own header comment; see also the alphabetical index of defined names.

FileDefinitionsFrom the file’s header comment
basic.at820
generics.at11
combinatorics.at129The purpose of this module is to collect basic combinatorial functions, …
number_theory.at24
exp-generating-series.at13some help with exponential generating series, which are lazily computed …
hermitian.at44
extParamPol.at38implement ParamPol for extended parameters
complex.at40
test_unitarity.at23test list [(Param p,bool answer)], …
modules.at46
print_K_types.at23this file used to be called K_types.at …
galois.at25G is a RealForm …
jantzen.at12I=standard, J'=irreducible Q(J',I)=\sum a_i q^i a_{(l(I)-l(J')-n)/2}=mult of J' in level n F_n of Jantzen filtration where I=I_0\supset I_1\supset ... …
finite_dimensional_signature.at24some functions related to Frobenius-Schur indicator, …
W_reps.at27
hodge_K_type_formula.at45
all_finite_order.at31The labels m_i on the Dynkin diagram representing the coefficient of the simple roots in the highest root. …
hodge_test.at19
hodge_tensor.at20see hodgeTempered.pdf in Dropbox …
K_Nilpotent.at97
exceptionalNilpotentData.at17nilpotent orbit data for exceptional simple groups …
good_W_representatives.at22good conjugacy class representatives in W, …
finite_unipotents.at15
weyltosemisimple.at8
cyclotomic_field_bracket.at0moved to cyclotomic_Lie_algebra.at
tits_centralizer.at53
bruhat.at24bruhat order: given x,y\in KGB(G) compute x<=y (boolean) …
stable.at57stable virtual characters …
GK_dimension.at8
restricted_roots.at12compute the root system of A in G where …
nilpotent_centralizer.at19computing the centralizer of a complex nilpotent …
weak_packets_precomputed_cell_traces.at12computing weak packets using precomputed cell_traces mainly used for E8_s …
arthur_parameters.at6parametrizing sets of unipotent Arthur parameters: see notesOnUnipotentParamters.pdf in Dropbox …
coherent_irreducible.at89
truncated_induction.at25if L is a Levi subgroup of G, and pi an irreducible representation of W_L, …
dirac_index.at13Dirac index for equal rank groups …
sub_cells.at36Suppose G is a RootDatum, and \theta is a algebraic involution of G …
associated_variety_annihilator.at37
sommers.at76
projectors_using_character_tables.at23
new_conjugacy.at17
test_braid.at3
certificate.at2
geck_generic.at48
lusztig_cells.at21the Lusztig map goes from triples (O,x,xi) to W^ …
four.at19
special_rep.at18
families.at4
L_packet.at37
G2_unitary_dual.at25
adams_johnson.at20
speh.at4

Generated from atlas-scripts at commit 7e1b958 (2026-09-17).