The present issue of the series <<Modern Problems in Mathematical Physics>> represents the Proceedings of the Students Training Contest Olympiad in Mathematical and Theoretical Physics and includes the statements and the solutions of the problems off...
A fast and effective approach to obtain information regarding software development problems is to search them to find similar solved problems or post questions on community question answering (CQA) websites. Solving coding problems in a short time is...
The No Free Lunch theorems prove that under a uniform distribution over induction problems (search problems or learning problems), all induction algorithms perform equally. As I discuss in this chapter, the importance of the theorems arises by using...
We present some open problems in the field of exactly solvable models. Two of the problems are related to the correlation functions of the XXX spin chain and the XXZ spin chain, one to the entropy of subsystems and one to the six vertex model with...
Inverse problems are ubiquitous in nature, arising in almost all areas of science and engineering ranging from geophysics and climate science to astrophysics and biomechanics. One of the central challenges in solving inverse problems is tackling thei...
Sep 28, 2008 · What are common problems for the CUMMINS NHC-250 engine? I am going to pick up a M818 & XM818 soon, and it would greatly help me if I knew what problems I could face on the way …
In [A. Jackson, Explaining the ubiquity of phase transitions in decision problems (2025), arXiv:2501.14569], I established that phase transitions are always present in a large subset of decision problems over even-sized alphabets, explaining -- in pa...
The quadratic unconstrained binary optimization (QUBO) problem arises in diverse optimization applications ranging from Ising spin problems to classical problems in graph theory and binary discrete optimization. The use of preprocessing to transform...
Real-time overview of outages and problems for Telstra. Is service down or not working properly? We show what is going on.
Heterogeneous anisotropic diffusion problems arise in the various areas of science and engineering including plasma physics, petroleum engineering, and image processing. Standard numerical methods can produce spurious oscillations when they are used...
If you're having problems with your apps, extensions, and themes, try these steps. If you can't install an extension or theme Chrome version: Make sure you have the latest version of Chrome.
If you're having problems with your apps, extensions, and themes, try these steps. If you can't install an extension or theme Chrome version: Make sure you have the latest version of Chrome.
If you're having problems with your apps, extensions, and themes, try these steps. If you can't install an extension or theme Chrome version: Make sure you have the latest version of Chrome.
If you're having problems with your apps, extensions, and themes, try these steps. If you can't install an extension or theme Chrome version: Make sure you have the latest version of Chrome.
If you're having problems with your apps, extensions, and themes, try these steps. If you can't install an extension or theme Chrome version: Make sure you have the latest version of Chrome.
Semi-Lagrangian methods have traditionally been developed in the framework of hyperbolic equations, but several extensions of the Semi-Lagrangian approach to diffusion and advection--diffusion problems have been proposed recently. These extensions ar...
We consider spectral discretizations of hyperbolic problems on unbounded domains using Laguerre basis functions. Taking as model problem the scalar advection equation, we perform a comprehensive stability analysis that includes strong collocation for...
The application of the TR-BDF2 method to second order problems typical of structural mechanics and seismic engineering is discussed. A reformulation of this method is presented, that only requires the solution of algebraic systems of size equal to th...
A semi-Lagrangian method for parabolic problems is proposed, that extends previous work by the authors to achieve a fully conservative, flux-form discretization of linear and nonlinear diffusion equations. A basic consistency and convergence analysis...
Again, I have problems with Zelensky as a leader as while he is better than Yanukovych, he’s still with problems such as corruption and this situation. But from a realpolitik perspective, doing this...