diff --git a/.gitignore b/.gitignore
index 9fddebe4b..713f69df7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,6 @@
 *.jl.cov
 *.jl.*.cov
 *.jl.mem
+
+# Experiments
+experiments/*/Manifest.toml
diff --git a/experiments/DaggerAMC/Project.toml b/experiments/DaggerAMC/Project.toml
new file mode 100644
index 000000000..faa79d093
--- /dev/null
+++ b/experiments/DaggerAMC/Project.toml
@@ -0,0 +1,12 @@
+name = "DaggerAMC"
+uuid = "85a14c48-69db-4cd9-97af-587947037424"
+authors = ["bosonbaas <bosonbaas@gmail.com>"]
+version = "0.1.0"
+
+[deps]
+AutoHashEquals = "15f4f7f2-30c1-5605-9d31-71845cf9641f"
+Catlab = "134e5e36-593f-5add-ad60-77f754baafbe"
+Dagger = "d58978e5-989f-55fb-8d15-ea34adc7bf54"
+LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
+LinearMaps = "7a12625a-238d-50fd-b39a-03d52299707e"
+Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
diff --git a/experiments/DaggerAMC/src/DaggerAMC.jl b/experiments/DaggerAMC/src/DaggerAMC.jl
new file mode 100644
index 000000000..95ed91022
--- /dev/null
+++ b/experiments/DaggerAMC/src/DaggerAMC.jl
@@ -0,0 +1,153 @@
+module DaggerAMC
+
+import Base: +
+using AutoHashEquals
+
+export DagDom, ThunkArr, copy,
+       dom, codom, compose, id, oplus, mzero,
+       zero, ⊕, braid
+       # To implement
+       # mcopy, delete, plus, zero,
+       
+using Dagger
+using LinearAlgebra
+#using Catlab.Doctrines.AdditiveMonoidal
+using Catlab, Catlab.Doctrines, Catlab.Programs
+import Catlab.Doctrines:
+  Ob, Hom, dom, codom, compose, ⋅, ∘, id, oplus, ⊕, mzero, braid,
+  dagger, dunit, dcounit, mcopy, Δ, delete, ◊, mmerge, ∇, create, □,
+  plus, zero, coplus, cozero, meet, top, join, bottom
+
+
+@auto_hash_equals struct DagDom
+  N::Int
+end
+
+# This structure was created to keep track of dom and codom information.
+# This information can be updated efficiently, and keeping it here keeps
+# LinearFunctions from having to think the thunk each time the dom or codom
+# is queried
+
+struct ThunkArr 
+  input::Array{Tuple{Int64,Int64},1}
+  output::Array{Int64,1}
+  thunks::Array{Thunk,1}
+end
+
+input_nodes(f::ThunkArr) = begin
+  input_n = Set{Int64}()
+  for port in f.input
+    push!(input_n,port[1])
+  end
+  return input_n
+end
+
+copy(A::ThunkArr) = begin
+  n_thunks = [Thunk(x.f, x.inputs...) for x in A.thunks]
+  n_input = A.input
+  n_output = A.output
+  ThunkArr(n_input, n_output, n_thunks)
+end
+
+ThunkArr(A::AbstractArray) = begin
+  id_thunks = [delayed(identity)(A[x]) for x in 1:length(A)[1]]
+  id_input = []
+  id_output = Array(1:length(A))
+  ThunkArr(id_input, id_output, id_thunks) 
+end
+
+ThunkArr(A) = begin
+  ThunkArr([A])
+end
+
+@instance AdditiveSymmetricMonoidalCategory(DagDom, ThunkArr) begin
+  zero(V::DagDom)   = DagDom(0) 
+  mzero(::Type{DagDom}) = DagDom(0)
+  dom(f::ThunkArr)    = size(f.input)[1]
+  codom(f::ThunkArr)  = size(f.output)[1]
+  
+  compose(f::ThunkArr,g::ThunkArr) = begin
+    add_ind   = (x,n) -> x+n
+    cf = f
+    cg = g
+    n_output  = add_ind.(cf.output,size(cg.thunks)[1])
+    n_input   = cg.input
+    # f_inputs stores what thunks will be passed in from g
+    f_inputs  = Dict(x => Array{Thunk}(undef, length(cf.thunks[x].inputs)) for x in input_nodes(cf))
+    # Fill out the values that will be passed in from g
+    for port_num in 1:length(cf.input)
+      port = cf.input[port_num]
+      g_node = cg.thunks[cg.output[port_num]]
+      f_inputs[port[1]][port[2]] = g_node
+    end
+    for (key,g_in) in f_inputs
+      cf.thunks[key].inputs = Tuple(g_in)
+    end
+
+    n_thunks = vcat(cg.thunks,cf.thunks)
+    ThunkArr(n_input, n_output, n_thunks)
+  end
+
+  oplus(V::DagDom, W::DagDom) = DagDom(V.N + W.N)
+
+  # Make copies of thunks to keep from variable interference
+  oplus(f::ThunkArr, g::ThunkArr) = begin
+    add_tup = (x,n) -> (x[1]+n,x[2])
+    add_ind = (x,n) -> x+n
+    cf = f
+    cg = g
+    n_thunks  = vcat(cf.thunks, cg.thunks)
+    n_input   = vcat(cf.input, add_tup.(cg.input,size(cf.thunks)[1]))
+    n_output  = vcat(cf.output, add_ind.(cg.output,size(cf.thunks)[1]))
+    ThunkArr(n_input, n_output, n_thunks)
+  end
+  
+  id(V::DagDom) = begin
+    add_port = x -> (x,1)
+    id_thunks = [delayed(identity)(1) for x in 1:V.N]
+    id_input = add_port.(Array(1:V.N))
+    id_output = Array(1:V.N)
+    ThunkArr(id_input, id_output, id_thunks)
+  end
+
+  braid(V::DagDom, W::DagDom) = begin
+    vw_id = id(V.N + W.N)
+    vw_id.output = vcat(vw_id.output[V.N+1:end],vw_id.output[1:V.N])
+    return vw_id
+  end
+
+  #adjoint(f::MatrixThunk) = MatrixThunk(delayed(adjoint)(f.thunk), f.codom, f.dom)
+  #+(f::MatrixThunk, g::MatrixThunk) = MatrixThunk(delayed(+)(f.thunk, g.thunk), f.dom, f.codom)
+
+  #compose(f::MatrixThunk, g::MatrixThunk) = 
+  #  MatrixThunk(delayed(*)(g.thunk,f.thunk), g.dom, f.codom)
+  #id(V::DagDom) = MatrixThunk(LMs.UniformScalingMap(1, V.N))
+
+  #oplus(V::DagDom, W::DagDom) = DagDom(V.N + W.N)
+  #oplus(f::MatrixThunk, g::MatrixThunk) = 
+  #  MatrixThunk(delayed((f,g)->LMs.BlockDiagonalMap(f,g))(f.thunk, g.thunk), 
+  #              f.dom+g.dom, f.codom+g.codom)
+  #
+  #mzero(::Type{DagDom}) = DagDom(0)
+  #braid(V::DagDom, W::DagDom) =
+  #MatrixThunk(LinearMap(braid_lm(V.N), braid_lm(W.N), W.N+V.N, V.N+W.N))
+
+  #mcopy(V::DagDom)  = MatrixThunk(LinearMap(mcopy_lm, plus_lm, 2*V.N, V.N))
+  #delete(V::DagDom) = MatrixThunk(LinearMap(delete_lm, zero_lm(V.N), 0, V.N))
+  #plus(V::DagDom)   = MatrixThunk(LinearMap(plus_lm, mcopy_lm, V.N, 2*V.N))
+
+  #plus(f::MatrixThunk, g::MatrixThunk) = f+g
+  #scalar(V::DagDom, c::Number) = MatrixThunk(LMs.UniformScalingMap(c, V.N))
+  #antipode(V::DagDom) = scalar(V, -1)
+end
+
+#braid_lm(n::Int) = x::AbstractVector -> vcat(x[n+1:end], x[1:n])
+#mcopy_lm(x::AbstractVector) = vcat(x, x)
+#delete_lm(x::AbstractVector) = eltype(x)[]
+#plus_lm(x::AbstractVector) = begin
+#  n = length(x) ÷ 2
+#  x[1:n] + x[n+1:end]
+#end
+#zero_lm(n::Int) = x::AbstractVector -> zeros(eltype(x), n)
+
+end
diff --git a/experiments/DaggerInstanceGLA/Project.toml b/experiments/DaggerInstanceGLA/Project.toml
new file mode 100644
index 000000000..87a7f58d8
--- /dev/null
+++ b/experiments/DaggerInstanceGLA/Project.toml
@@ -0,0 +1,12 @@
+name = "DaggerInstanceGLA"
+uuid = "eaa498f4-19f8-4d9b-a7d5-989fa76892d7"
+authors = ["bosonbaas <bosonbaas@gmail.com>"]
+version = "0.1.0"
+
+[deps]
+AutoHashEquals = "15f4f7f2-30c1-5605-9d31-71845cf9641f"
+Catlab = "134e5e36-593f-5add-ad60-77f754baafbe"
+Dagger = "d58978e5-989f-55fb-8d15-ea34adc7bf54"
+LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
+LinearMaps = "7a12625a-238d-50fd-b39a-03d52299707e"
+Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
diff --git a/experiments/DaggerInstanceGLA/src/DaggerInstanceGLA.jl b/experiments/DaggerInstanceGLA/src/DaggerInstanceGLA.jl
new file mode 100644
index 000000000..7c72276c1
--- /dev/null
+++ b/experiments/DaggerInstanceGLA/src/DaggerInstanceGLA.jl
@@ -0,0 +1,82 @@
+module DaggerInstanceGLA
+
+import Base: +
+using AutoHashEquals
+
+export DagDom, LinearMap, MatrixThunk,
+       dom, codom, adjoint, +, compose, id, oplus, mzero,
+       braid, mcopy, delete, plus, zero, scalar, antipode,
+       ⊕
+using Dagger
+using LinearAlgebra
+using Catlab.LinearAlgebra.GraphicalLinearAlgebra
+using Catlab, Catlab.Doctrines
+import Catlab.Doctrines:
+  Ob, Hom, dom, codom, compose, ⋅, ∘, id, oplus, ⊕, mzero, braid,
+  dagger, dunit, dcounit, mcopy, Δ, delete, ◊, mmerge, ∇, create, □,
+  plus, zero, coplus, cozero, meet, top, join, bottom
+using LinearMaps
+import LinearMaps: adjoint
+const LMs = LinearMaps
+
+
+@auto_hash_equals struct DagDom
+  N::Int
+end
+
+# This structure was created to keep track of dom and codom information.
+# This information can be updated efficiently, and keeping it here keeps
+# LinearFunctions from having to think the thunk each time the dom or codom
+# is queried
+
+struct MatrixThunk
+  thunk::Thunk
+  dom::Int
+  codom::Int
+end
+
+MatrixThunk(A::LinearMap) = begin
+  MatrixThunk(delayed(identity)(A), size(A,2), size(A,1))
+end
+
+@instance LinearFunctions(DagDom, MatrixThunk) begin
+
+  adjoint(f::MatrixThunk) = MatrixThunk(delayed(adjoint)(f.thunk), f.codom, f.dom)
+  +(f::MatrixThunk, g::MatrixThunk) = MatrixThunk(delayed(+)(f.thunk, g.thunk), f.dom, f.codom)
+
+  dom(f::MatrixThunk) = f.dom
+  codom(f::MatrixThunk) = f.codom
+
+  compose(f::MatrixThunk, g::MatrixThunk) = 
+    MatrixThunk(delayed(*)(g.thunk,f.thunk), g.dom, f.codom)
+  id(V::DagDom) = MatrixThunk(LMs.UniformScalingMap(1, V.N))
+
+  oplus(V::DagDom, W::DagDom) = DagDom(V.N + W.N)
+  oplus(f::MatrixThunk, g::MatrixThunk) = 
+    MatrixThunk(delayed((f,g)->LMs.BlockDiagonalMap(f,g))(f.thunk, g.thunk), 
+                f.dom+g.dom, f.codom+g.codom)
+  
+  mzero(::Type{DagDom}) = DagDom(0)
+  braid(V::DagDom, W::DagDom) =
+  MatrixThunk(LinearMap(braid_lm(V.N), braid_lm(W.N), W.N+V.N, V.N+W.N))
+
+  mcopy(V::DagDom)  = MatrixThunk(LinearMap(mcopy_lm, plus_lm, 2*V.N, V.N))
+  delete(V::DagDom) = MatrixThunk(LinearMap(delete_lm, zero_lm(V.N), 0, V.N))
+  plus(V::DagDom)   = MatrixThunk(LinearMap(plus_lm, mcopy_lm, V.N, 2*V.N))
+  zero(V::DagDom)   = MatrixThunk(LinearMap(zero_lm(V.N), delete_lm, V.N, 0))
+
+  plus(f::MatrixThunk, g::MatrixThunk) = f+g
+  scalar(V::DagDom, c::Number) = MatrixThunk(LMs.UniformScalingMap(c, V.N))
+  antipode(V::DagDom) = scalar(V, -1)
+end
+
+braid_lm(n::Int) = x::AbstractVector -> vcat(x[n+1:end], x[1:n])
+mcopy_lm(x::AbstractVector) = vcat(x, x)
+delete_lm(x::AbstractVector) = eltype(x)[]
+plus_lm(x::AbstractVector) = begin
+  n = length(x) ÷ 2
+  x[1:n] + x[n+1:end]
+end
+zero_lm(n::Int) = x::AbstractVector -> zeros(eltype(x), n)
+
+end
diff --git a/experiments/DaggerInstanceGLA/test/DaggerInstanceGLA.jl b/experiments/DaggerInstanceGLA/test/DaggerInstanceGLA.jl
new file mode 100644
index 000000000..dc48f2cff
--- /dev/null
+++ b/experiments/DaggerInstanceGLA/test/DaggerInstanceGLA.jl
@@ -0,0 +1,31 @@
+using Catlab.LinearAlgebra.GraphicalLinearAlgebra, 
+      DaggerInstanceGLA, Catlab, Catlab.Doctrines
+using Test
+
+V, W = Ob(FreeLinearFunctions, :V, :W)
+f, g, h = Hom(:f, V, W), Hom(:g, V, W), Hom(:h, W, W)
+
+fmap = LinearMap([1 1 1 1; 2 2 2 3; 3 3 3 3.0])
+gmap = LinearMap([3 1 1 1; -1 -1 -1 -1; 0 2 0 0.0])
+hmap = LinearMap([1 4 -1; -1 1 0; 1 1 -1.0])
+
+fop = MatrixThunk(fmap)
+gop = MatrixThunk(gmap)
+hop = MatrixThunk(hmap)
+
+d = Dict(f=>fop, g=>gop, h => hop, V => DagDom(4), W=>DagDom(3))
+F(ex) = functor((DagDom, MatrixThunk), ex, generators=d)
+
+dmap = Dict(f=>fmap, g=>gmap, h => hmap, V => LinearMapDom(4), W=>LinearMapDom(3))
+Fmap(ex) = functor((LinearMapDom, LinearMap), ex, generators=dmap)
+
+M = plus(f,g)⋅h
+N = adjoint(g)⋅f⋅mcopy(W)+h⋅mcopy(W)
+O = (adjoint(g)⊕f)+(h⊕(g⋅adjoint(f)))
+
+expressions = [M,N,O]
+
+for expression in expressions
+  @test Matrix(collect(F(expression).thunk)) == 
+          Matrix(Fmap(expression))
+end
diff --git a/experiments/DaggerInstanceGLA/test/runtests.jl b/experiments/DaggerInstanceGLA/test/runtests.jl
new file mode 100644
index 000000000..bb01a5afd
--- /dev/null
+++ b/experiments/DaggerInstanceGLA/test/runtests.jl
@@ -0,0 +1,5 @@
+using Test
+
+@testset "DaggerInstanceGLA" begin
+  include("DaggerInstanceGLA.jl")
+end