Particle Theory Group
        
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        Calendar
      
    
  
  
  Calendar
          Wednesday, May 7th, 2025
        
      
    
      
        
    
      11:00am
    
      –
    
      12:00pm
    
  
  
    
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High Energy Theory Seminar
                
                  Online and In-Person Event
                
              
            
            
              Quantum mechanics and observers for gravity in a closed universe
            
            
              
  
    Misha Usatyuk,
  
  
  
  
    
    KITP, UC Santa Barbara,
  
                
              
    
      12:15pm
    
      –
    
      1:00pm
    
  
  
    
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Caltech/IPAC Lunch Seminar
Deciphering Cosmic History And Cosmic-Ray Physics with Radio Emission
            
            
              
  
    Allison Matthews,
  
  
  
  
    
    Carnegie Observatories,
  
                
              
    
      4:00pm
    
      –
    
      5:00pm
    
  
  
    
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ASTRONOMY COLLOQUIUM (Greenstein Lecture)
The Time Variability of Active Galactic Nuclei
            
            
              
  
    Christopher Kochanek,
  
  
    Professor, Ohio Eminent Scholar,
  
  
  
    
    Ohio State University,