Programming Languages and Systems

Language Design.- Consistent Subtyping for All.- HOBiT: Programming Lenses without using Lens Combinators.- Dualizing Generalized Algebraic Data Types by Matrix Transposition.- Deterministic Concurrency: A Clock-Synchronised Shared Memory Approach.- Probabilistic Programming.- An Assertion-Based Program Logic for Probabilistic Programs.- Fine-grained Semantics for Probabilistic Programs.- How long, O Bayesian network, will I sample thee?.- Relational Reasoning for Markov Chains in a Probabilistic Guarded Lambda Calculus.- Types and Effects.- Failure is Not an Option: An Exceptional Type Theory.- Let Arguments Go First.- Behavioural equivalence via modalities for algebraic effects.- Explicit Effect Subtyping.- Concurrency.- A separation logic for a promising semantics.- Logical Reasoning for Disjoint Permissions.- Deadlock-Free Monitors.- Fragment Abstraction for Concurrent Shape Analysis.- Security.- Reasoning About a Machine with Local Capabilities - Provably Safe Stack and ReturnPointer Management.- Modular Product Programs.- Program Verification.- A Fistful of Dollars: Formalizing Asymptotic Complexity Claims via Deductive Program Verification.- Verified Learning Without Regret.- Program Verification by Coinduction.- Velisarios: Byzantine Fault Tolerant Protocols Powered by Coq.- Program Analysis and Automated Verification.- Evaluating Design Tradeoffs in Numeric Static Analysis for Java.- An Abstract Interpretation Framework for Input Data Usage.- Higher-Order Program Verification via HFL Model Checking.- Quantitative Analysis of Smart Contracts.- Session Types and Concurrency.- Session-Typed Concurrent Contracts.- A Typing Discipline for Statically Verified Crash Failure Handling in Distributed Systems.- On Polymorphic Sessions and Functions: A Tale of Two (Fully Abstract) Encodings.- Concurrent Kleene Algebra: Free Model and Completeness.- Concurrency and Distribution.- Correctness of a Concurrent Object Collector for Actor Languages.- Paxos Consensus,