Artificial Life IX : Proceedings of the Ninth International Conference on the Simulation and Synthesis of Living Systems Book

1	The chemoton : a model for the formation of long RNA templates	1
2	Connecting transistors and proteins	9
3	Designed and evolved blueprints for physical self-replicating machines	15
4	Emergent robustness and self-repair through developmental cellular systems	21
5	On self-referential shape replication in robust aerospace vehicles	27
6	An evolving and developing cellular electronic circuit	33
7	An environment for simulating kinematic self-replicating machines	39
8	Towards an evolutionary-developmental approach for real-world substrates	45
9	Stepwise evolution of molecular biological coding	51
10	Once more unto the breach : co-evolving a robot and its simulator	57
11	Closing the loop : evolving a model-free visually guided robot arm	63
12	Performance evaluation of neural architectures for sequential tasks	69
13	EvolGL : life in a pond	75
14	Evolving plastic neural controllers stabilized by homeostatic mechanisms for adaptation to a perturbation	81
15	A stigmergic cooperative multi-robot control architecture	88
16	Crawling out of the simulation : evolving real robot morphologies using cheap, reusable modules	94
17	Functional freeform fabrication for physical artificial life	100
18	Quadrupedal locomotion : GasNets, CTRNNs and hybrid CTRNN/PNNs compared	106
19	Evolving simulated mutually perceptive creatures for combat	113
20	Information trade-offs and the evolution of sensory layouts	119
21	Evolving flying creatures with path following behaviors	125
22	Behavioural categorisation : behaviour makes up for bad vision	133
23	The evolution of control and adaptation in a 3D powered passive dynamic walker	139
24	Evolving imitating agents and the emergence of a neural mirror system	146
25	A comparison of population learning and cultural learning in artificial life societies	152
26	A computation framework to simulate the coevolution of language and social structure	158
27	Boom and bust : environmental variability favors the emergence of communication	164
28	Expressing and understanding desires in language games	170
29	The evolution of affect-related displays, recognition and related strategies	176
30	Language, altruism and docility : how cultural learning can favour language evolution	182
31	Evolution of plastic sensory-motor coupling and dynamical categorization	188
32	Song grammars as complex sexual displays	194
33	Analogies between genome and language evolution	200
34	The effects of learning on the evolution of Saussurean communication	208
35	Minimum cost and the emergence of the Zipf-Mandelbrot law	214
36	Modeling multicellular and tumorous existence with genetic cellular automata	220
37	Whatever emerges should be intrinsically useful	226
38	Shaping collective behavior : an exploratory design approach	232
39	Updating schemes in random boolean networks : do they really matter?	238
40	Reducing prejudice : a spatialized game-theoretic model for the contact hypothesis	244
41	Quasi-stable states in the iterated-prisoner's dilemma	250
42	Evolving memory : logical tasks for cellular automata	256
43	Complex genetic evolution of self-replicating loops	262
44	Redrawing the boundary between organism and environment	268
45	Imitation and inequity in avoiding the tragedy of the commons	274
46	The quantum coreworld : competition and cooperation in an artificial ecology	280
47	Self-reproduction by glider collisions : the beehive rule	286
48	The value of death in evolution : a lesson from Daisyworld	292
49	The flexible balance of evolutionary novelty and memory in the face of environmental catastrophes	297
50	Kin-selection : the rise and fall of kin-cheaters	303
51	Homeostasis and rein control : from Daisyworld to active perception	309
52	Measuring biological complexity in digital organisms	315
53	The role of nearly neutral nutations in the evolution of dynamical neural networks	322
54	Sustained evolution from changing interaction	328
55	See how she runs : towards visualising artificial Red Queen evolution	334
56	Sexual reproduction and Muller's ratchet in digital organisms	340
57	Chaotic population dynamics and the evolution of aging	346
58	The role of non-genetic change in the heritability, variation and response to selection of artificially selected ecosystems	352
59	Ecolab, webworld and self-organisation	358
60	Tierra's missing neutrality : case solved	364
61	Drastic changes in roles of learning in the course of evolution	369
62	Niche construction and the evolution of complexity	375
63	A model for exploring genetic control of artificial amoebae	381
64	Asymmetric cell division and its integration with other developmental processes for artificial evolutionary systems	387
65	A functional model of cell genome	393
66	Asynchronous dynamics of an artificial genetic regulatory network	399
67	Small world and scale-free network topologies in an artificial regulatory network model	404
68	Inertia of chemotactic motion as an emergent property in a model of an eukaryotic cell	410
69	Phenotypic variability in canalized developmental systems	415
70	Self-repairing and mobility of a simple cell model	421
71	Evaluating an evolutionary approach for reconstructing gene regulatory networks	427
72	Bonding as an emergent phenomenon in an abstract artificial chemistry	433
73	Evolution of robust developmental neural networks	438
74	A functional self-reproducing cell in a two-dimensional artificial chemistry	444
75	Metabolic closure in (M,R) systems	450
76	Flows of information in spatially extended chemical dynamics	456
77	Cellular dynamics in a 3D molecular dynamics system with chemistry	461
78	Lipidia : an artificial chemistry of self-replicating assemblies of lipid-like molecules	466
79	Towards the simulation of reaction networks in astrochemistry	472
80	Homochirality as fixed point of prebiotic chemistry	478
81	An evolvable artificial chemistry featuring continuous physics and discrete reactions	484
82	The role of RNA editing in dynamic environments	489
83	A tangled hierarchy of graph-constructing graphs	495
84	Graded artificial chemistry in restricted boundaries	501
85	Spacial representation for artificial chemistry based on small-world networks	507
86	Behavioral adaptive autonomy : a milestone in the alife route to AI?	514
87	A physiological approach to the generation of artificial life forms	522
88	Mechanistic and ecological explanations in agent-based models of cognition	528
89	Empiricism in artificial life	534
90	Using the universal similarity metric to model artificial creativity and predict human listeners response to evolutionary music	540
91	Playing music by conducting BOID agents	546
92	An evolutionary approach to complex system regulation using grammatical evolution	551
93	Analyzing evolved fault-tolerant neurocontrollers	557
94	Tracking information flow through the environment : simple cases of stigmergy	563
95	Ant foraging revisited	569
96	Learning ant foraging behaviors	575
97	Systems biology thought experiments in human genetics using artificial life and grammatical evolution	581