An almost sure limit theorem for expanding maps via correlation decay. In final stage preparation. (With Henri Sulku)
A vector-valued almost sure invariance principle for Sinai billiards with random scatterers. Submitted. [arXiv][PDF]
(See my talk at Courant in May 2012. [Slides])
Dispersing billiards with moving scatterers. To appear in Communications in Mathematical Physics. (With Lai-Sang Young and Hongkun Zhang) [arXiv]
A local limit theorem for random walks in balanced environments. To appear in Electronic Communications in Probability. [arXiv]
Positive Lyapunov exponent by a random perturbation, Dynamical Systems: An International Journal, 27, Issue 2, 2012, 239-252. (With Zeng Lian) [arXiv][Article]
A Dilution Test for the Convergence of Subseries of a Monotone Series, Journal of Classical Analysis 1, Number 1 (2012), 17-22. (With Lasse Leskelä) [arXiv][Article]
A local limit theorem for a transient chaotic walk in a frozen environment, Stochastic Processes and their Applications 121 (2011) 2818-2838. (With Lasse Leskelä) [arXiv][Article]
Non-Stationary Compositions of Anosov Diffeomorphisms, Nonlinearity 24 (2011) 2991-3018. [arXiv][Article]
Multi-Gaussian Modes of Diffusion in a Quenched Random Medium, Phys. Rev. E 82, 041125 (2010) [6 pages]. (With Tapio Simula) [arXiv][Article]
An Expansion of the Homoclinic Splitting Matrix for
the Rapidly, Quasiperiodically, Forced Pendulum. J. Math. Phys. 51, 072902 (2010). [arXiv][Article]
A Strong Pair Correlation Bound implies the CLT for Sinai Billiards. Journal of Statistical Physics 140 (2010), no. 1, 154-169. [arXiv][Article]
From Limit Cycles to Strange Attractors, Commun. Math. Phys. 296, 215-249 (2010). (With William Ott) (With William Ott) [arXiv][Article]
Deterministic Walks in Quenched Random Environments of Chaotic Maps. J. Phys. A: Math. Theor. 42 (2009) 245101 (14 pp). (With Tapio Simula) [arXiv][Article]
Memory Loss for Time-Dependent Dynamical Systems. Math. Res. Lett. 16 (2009), no. 3, 463-475 (With William Ott and Lai-Sang Young) [arXiv][Article]
Quenched CLT for Random Toral Automorphism.
Discrete and Continuous Dynamical Systems A. 24 (2009), no. 2, 331-348. (With Arvind Ayyer and
Carlangelo Liverani) [arXiv][Article]
Exponential Decay of Correlations for Randomly Chosen
Hyperbolic Toral Automorphisms. Chaos 17 (2007), no. 4, 043116 (7 pp). (With Arvind
Ayyer) [arXiv][Article]
Construction of Whiskers for the Quasiperiodically Forced
Pendulum. Rev. Math. Phys. 19 (2007), no. 8, 823-877. [arXiv][Article]
Homoclinic Splitting without Trees, Ph.D. thesis, University of Helsinki, May 2006. [http://urn.fi/URN:ISBN:952-10-3128-X]
A Characterization of the Parabola. Math. Gaz. 89 (Nov
2005), no. 516, 507-511.
On the Tangent Lines of a Parabola. College Math. J. 32
(2001), no. 3, 194-196.