Browsing Mathematics by Title
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On Agmon metrics and exponential localization for quantum graphs
(Springer Verlag, 20180328)We investigate the rate of decrease at infinity of eigenfunctions of quantum graphs by using Agmon's method to prove $L^2$ and $L^\infty$ bounds on the product of an eigenfunction with the exponential of a certain metric. ... 
On Index Policies for Stochastic Minsum Scheduling
(Elsevier, 2019)Minimizing the sum of completion times when scheduling jobs on identical parallel machines is a fundamental scheduling problem. Unlike the wellunderstood deterministic variant, it is a major open problem how to handle ... 
On Ktheoretic invariants of semigroup C*algebras attached to number fields, Part II
(Elsevier, 20160319)This paper continues the study of Ktheoretic invariants for semigroup C*algebras attached to ax+bsemigroups over rings of algebraic integers in number fields. We show that from the semigroup C*algebra together with its ... 
On supnorms of cusp forms of powerful level
(European Mathematical Society, 20171101)Let f be an L^2normalized HeckeMaass cuspidal newform of level N and Laplace eigenvalue \lambda. It is shown that f_\infty <<_{\lambda, \epsilon} N^{1/12 + \epsilon} for any \epsilon>0. The exponent is further improved ... 
On the clique number of a strongly regular graph
(The Electronic Journal of Combinatorics, 20181019) 
On the distribution of the divisor function and Hecke eigenvalues
(20160107)© 2016, Hebrew University of Jerusalem. We investigate the behavior of the divisor function in both short intervals and in arithmetic progressions. The latter problem was recently studied by É. Fouvry, S. Ganguly, E. ... 
On the emergence of the structure of physics
(20180428)