Logical Approaches to Computational Barriers

Heap-Abstraction for an Object-Oriented Calculus with Thread Classes.- From Constructibility and Absoluteness to Computability and Domain Independence.- Datatype-Generic Reasoning.- The Logical Strength of the Uniform Continuity Theorem.- Elementary Algebraic Specifications of the Rational Function Field.- Random Closed Sets.- Deep Inference and Its Normal Form of Derivations.- Logspace Complexity of Functions and Structures.- Prefix-Like Complexities and Computability in the Limit.- Partial Continuous Functions and Admissible Domain Representations.- An Invariant Cost Model for the Lambda Calculus.- On the Complexity of the Sperner Lemma.- The Church-Turing Thesis: Consensus and Opposition.- Gödel and the Origins of Computer Science.- The Role of Algebraic Models and Type-2 Theory of Effectivity in Special Purpose Processor Design.- Turing Universality in Dynamical Systems.- Every Sequence Is Decompressible from a Random One.- Reversible Conservative Rational Abstract Geometrical Computation Is Turing-Universal.- LJQ: A Strongly Focused Calculus for Intuitionistic Logic.- Böhm Trees, Krivine's Machine and the Taylor Expansion of Lambda-Terms.- What Does the Incompleteness Theorem Add to the Unsolvability of the Halting Problem?.- An Analysis of the Lemmas of Urysohn and Urysohn-Tietze According to Effective Borel Measurability.- Enumeration Reducibility with Polynomial Time Bounds.- Coinductive Proofs for Basic Real Computation.- A Measure of Space for Computing over the Reals.- On Graph Isomorphism for Restricted Graph Classes.- Infinite Time Register Machines.- Upper and Lower Bounds on Sizes of Finite Bisimulations of Pfaffian Hybrid Systems.- Forcing with Random Variables and Proof Complexity.- Complexity-Theoretic Hierarchies.- Undecidability in the Homomorphic Quasiorder of Finite Labeled Forests.- Lower Bounds Using Kolmogorov Complexity.- The Jump Classes of Minimal Covers.- Space Bounds for Infinitary Computation.- From a Zoo to a Zoology: