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Mackey
V3.3
A C++ library for computing RO(G) graded homology
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Contains the methods computing the RO(G) homology of a point. More...
Go to the source code of this file.
Namespaces | |
mackey | |
Everything in this library is under this namespace. | |
Functions | |
template<typename T , typename deg_t = std::vector<int>> | |
int | dimension (const deg_t &sphere) |
Compute the dimension of a representation sphere. More... | |
template<typename T , typename deg_t = std::vector<int>> | |
deg_t | Reindex (deg_t degree) |
Given degree (k,sphere) returns degree (k',sphere) where k' is a reindexing of k s.t. 0<=k'<=dimension(sphere) More... | |
template<typename T , typename deg_t = std::vector<int>> | |
deg_t | invReindex (deg_t degree) |
Inverse of Reindex. More... | |
template<typename T , typename deg_t = std::vector<int>> | |
auto | getChains (const deg_t &sphere, int i=-1) |
Returns the standard Chains of the given sphere. Optionally stop at index i (i=-1 means nonstop i.e. i=dimension(sphere) ) More... | |
template<typename group_t , typename deg_t > | |
auto | ROChains (const deg_t &sphere, int i=-1) |
Returns the Chains of given sphere. Optionally stop at index i (i=-1 means nonstop i.e. i=dimension(sphere) ) More... | |
template<typename group_t > | |
auto | HomologyLevels (const Levels< Junction< typename group_t::rank_t, typename group_t::diff_t >, group_t > &J) |
The Mackey functor Homology of a Junction of Mackey functors. More... | |
template<typename group_t , typename deg_t = std::vector<int>> | |
auto | ROHomology (int level, const deg_t °ree) |
Computes the homology for the given level and degree. More... | |
template<typename group_t , typename deg_t = std::vector<int>> | |
auto | ROHomology (const deg_t &sphere) |
Computes the Mackey functor homology of the given sphere. More... | |
template<typename group_t , typename deg_t = std::vector<int>> | |
auto | ROGreen (int level, const deg_t &first, const deg_t &second, int selectFirst=0, int selectSecond=0) |
Computes the product of two generators in the RO(G) homology given their level, degrees and selections (if noncyclic). Selections are 0,0 by default. More... | |
template<typename group_t , typename deg_t = std::vector<int>> | |
Massey< group_t > | ROMassey (int level, const deg_t &first, const deg_t &second, const deg_t &third, int selectFirst=0, int selectSecond=0, int selectThird=0) |
Computes the Massey product of three generators in the RO(G) homology given their level, degrees and selections (if noncyclic). Selections are 0,0,0 by default. More... | |
Contains the methods computing the RO(G) homology of a point.
That includes the additive (Mackey functor) and multiplicative (Green functor) structures and Massey products.