[sage-support] Re: Sage Crash Report. -- help please !

[Bharathwaj Palvannan]

Hi, 

Thank you, everyone. Sorry for my late response: I wasn't sure how things 
worked and I hadn't realized that I needed to check the google groups page. 

I managed to install Sage on my laptop, but I am not really sure what 
worked. It was just a lot of trial and error and going through the ASKSAGE 
StackExchange. Honestly, I don't think I would be able to repeat the 
successful installation again. 

If I remember correctly, the instructions given here
 https://doc.sagemath.org/html/en/installation/conda.html
really helped. And this seems to match the suggestion of Samuel Lelièvre. 
Thank you! 

Regarding my 2017 question, it was not answered, but I don't remember the 
motivation behind that question anymore, so in a way it's okay now! 

Thanks again. 

On Friday, March 4, 2022 at 6:38:02 PM UTC+5:30 Marc Culler wrote:

> In case this problem has not been addressed ... at the bottom of your 
> crash report it says:
> '/usr/lib/libgfortran.5.dylib' (no such file)
>
> That means that you are using an early prelease version of the SageMath 
> app for M1 systems.  This problem was fixed in the release version.  So 
> just download and installing the dmg file for the released version will 
> prevent this crash.
>
> - Marc 
>
> On Tuesday, February 15, 2022 at 8:43:20 PM UTC-6 Bharathwaj Palvannan 
> wrote:
>
>> Hi, 
>>
>>  
>>
>> Please help me! I am unable to get Sagemath working and I really don’t 
>> know what’s happening. I recently got a new laptop. This is a macOS 
>> operating system (Version 12.1 Monterey). I installed SageMath using the 
>> dmg file on the Sagemath website. I had already sent a crash report some 
>> weeks ago but I received no response. I literally just typed in sage on the 
>> mac terminal and the app crashed. 
>>
>>  
>>
>> Thank you.
>>
>> Best regards
>>
>>  
>>
>>  
>>
>

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[sage-support] Calculations in group algebras and Finite groups as quotients of finitely presented groups

[Bharathwaj Palvannan]

Hi, 

I am trying to work with group rings of the form Q[G], where Q is the field 
of rational numbers and G is a finite (not necessarily abelian) group. To 
create the group G, I have tried to express the group G as a quotient of a 
free group, using some of the techniques mentioned here 
.
 
 To be concrete, I have created a public worksheet here 
,
 
where I have tried to work with Q[G], where G is a non-abelian group of 
order 125.  The group G is expressed as a quotient of the free group on e, 
f, where the relations are {e^5, f^25, efe^{-1}f^{-6}}. (I believe this 
works since the output of the command G.order() is 125). 

I am ultimately interested in doing computations over group rings:  for eg, 
let's say I am trying to compute xy + zwu, where x,y,z,w,u are elements of 
the group ring.  It would really be helpful to obtain these computations in 
their simplest forms. However, when I try to do some computations, even 
some simple ones involving the group elements, the expressions don't 
simplify and I cannot figure out a way to simplify them automatically. For 
eg the element e^5 does not get simplified to 1. I would like to work with 
complicated expressions and it will really help to obtain some workaround. 

Any help would be great.

Thank you. 

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[sage-support] Sage Crash Report

['Bharathwaj Palvannan' via sage-support]

Dear developers,

I have been trying to install Sage on my macOS (Version 12.1 Monterey). I tried 
installing it via the .tar and the .dmg files, but both methods failed for 
various reasons. I am attaching the crash report that was generated when I 
tried using the dmg file.

Thanks
Best regards

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***

IPython post-mortem report

{'commit_hash': '3da1b22c25',
 'commit_source': 'installation',
 'default_encoding': 'utf-8',
 'ipython_path': 
'/Applications/SageMath-9-5.app/Contents/Frameworks/Sage.framework/Versions/9.5/local/var/lib/sage/venv-python3.9.9/lib/python3.9/site-packages/IPython',
 'ipython_version': '7.29.0',
 'os_name': 'posix',
 'platform': 'macOS-12.1-arm64-arm-64bit',
 'sys_executable': 
'/var/tmp/sage-9.5-current/local/var/lib/sage/venv-python3.9.9/bin/python3',
 'sys_platform': 'darwin',
 'sys_version': '3.9.9 (main, Jan 14 2022, 15:48:20) \n'
'[Clang 13.0.0 (clang-1300.0.29.30)]'}

***



***

Crash traceback:

---
---
ImportErrorPython 3.9.9: 
/var/tmp/sage-9.5-current/local/var/lib/sage/venv-python3.9.9/bin/python3
   Sun Jan 16 22:21:19 2022
A problem occurred executing Python code.  Here is the sequence of function
calls leading up to the error, with the most recent (innermost) call last.
/var/tmp/sage-9.5-current/local/var/lib/sage/venv-python3.9.9/bin/sage-ipython 
in 
  1 
#!/var/tmp/sage-9.5-current/local/var/lib/sage/venv-python3.9.9/bin/python3
  2 
  3 # -*- coding: utf-8 -*-
  4 """
  5 Sage IPython startup script.
  6 """
  7 
  8 # Display startup banner. Do this before anything else to give the user
  9 # early feedback that Sage is starting.
 10 from sage.misc.banner import banner
 11 banner()
 12 
 13 from sage.repl.interpreter import SageTerminalApp
 14 
 15 app = SageTerminalApp.instance()
---> 16 app.initialize()
global app.initialize = >
 17 app.start()

/var/tmp/sage-9.5-current/local/var/lib/sage/venv-python3.9.9/lib/python3.9/site-packages/traitlets/config/application.py
 in inner(app=, *args=(), 
**kwargs={})
 73 else:
 74 raise ValueError("Unsupported value for environment variable: 
'TRAITLETS_APPLICATION_RAISE_CONFIG_FILE_ERROR' is set to '%s' which is none of 
 {'0', '1', 'false', 'true', ''}."% _envvar )
 75 
 76 
 77 def catch_config_error(method):
 78 """Method decorator for catching invalid config 
(Trait/ArgumentErrors) during init.
 79 
 80 On a TraitError (generally caused by bad config), this will print 
the trait's
 81 message, and exit the app.
 82 
 83 For use on init methods, to prevent invoking excepthook on invalid 
input.
 84 """
 85 @functools.wraps(method)
 86 def inner(app, *args, **kwargs):
 87 try:
---> 88 return method(app, *args, **kwargs)
global method = undefined
app = 
args = ()
kwargs = {}
 89 except (TraitError, ArgumentError) as e:
 90 app.log.fatal("Bad config encountered during 
initialization: %s", e)
 91 app.log.debug("Config at the time: %s", app.config)
 92 app.exit(1)
 93 
 94 return inner
 95 
 96 class ApplicationError(Exception):
 97 pass
 98 
 99 
100 class LevelFormatter(logging.Formatter):
101 """Formatter with additional `highlevel` record
102 
103 This field is empty if log level is less than highlevel_limit,

/var/tmp/sage-9.5-current/local/var/lib/sage/venv-python3.9.9/lib/python3.9/site-packages/IPython/terminal/ipapp.py
 in initialize(self=, argv=None)
303 
304 return super(TerminalIPythonApp, self).parse_command_line(argv)
305 
306 @catch_config_error
307 def initialize(self, argv=None):
308 """Do actions after construct, but before starting the app."""
309 super(TerminalIPythonApp, self).initialize(argv)
310 if self.subapp is not None:
311 # don't bother initializing further, starting subapp
312 return
313 # print self.extra_args
314 if self.extr

[sage-support] Sage Crash Report. -- help please !

['Bharathwaj Palvannan' via sage-support]

Hi,

Please help me! I am unable to get Sagemath working and I really don’t know 
what’s happening. I recently got a new laptop. This is a macOS operating system 
(Version 12.1 Monterey). I installed SageMath using the dmg file on the 
Sagemath website. I had already sent a crash report some weeks ago but I 
received no response. I literally just typed in sage on the mac terminal and 
the app crashed.

Thank you.
Best regards


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***

IPython post-mortem report

{'commit_hash': '3da1b22c25',
 'commit_source': 'installation',
 'default_encoding': 'utf-8',
 'ipython_path': 
'/Applications/SageMath-9-5.app/Contents/Frameworks/Sage.framework/Versions/9.5/local/var/lib/sage/venv-python3.9.9/lib/python3.9/site-packages/IPython',
 'ipython_version': '7.29.0',
 'os_name': 'posix',
 'platform': 'macOS-12.1-arm64-arm-64bit',
 'sys_executable': 
'/var/tmp/sage-9.5-current/local/var/lib/sage/venv-python3.9.9/bin/python3',
 'sys_platform': 'darwin',
 'sys_version': '3.9.9 (main, Jan 14 2022, 15:48:20) \n'
'[Clang 13.0.0 (clang-1300.0.29.30)]'}

***



***

Crash traceback:

---
---
ImportErrorPython 3.9.9: 
/var/tmp/sage-9.5-current/local/var/lib/sage/venv-python3.9.9/bin/python3
   Sun Jan 16 22:21:19 2022
A problem occurred executing Python code.  Here is the sequence of function
calls leading up to the error, with the most recent (innermost) call last.
/var/tmp/sage-9.5-current/local/var/lib/sage/venv-python3.9.9/bin/sage-ipython 
in 
  1 
#!/var/tmp/sage-9.5-current/local/var/lib/sage/venv-python3.9.9/bin/python3
  2 
  3 # -*- coding: utf-8 -*-
  4 """
  5 Sage IPython startup script.
  6 """
  7 
  8 # Display startup banner. Do this before anything else to give the user
  9 # early feedback that Sage is starting.
 10 from sage.misc.banner import banner
 11 banner()
 12 
 13 from sage.repl.interpreter import SageTerminalApp
 14 
 15 app = SageTerminalApp.instance()
---> 16 app.initialize()
global app.initialize = >
 17 app.start()

/var/tmp/sage-9.5-current/local/var/lib/sage/venv-python3.9.9/lib/python3.9/site-packages/traitlets/config/application.py
 in inner(app=, *args=(), 
**kwargs={})
 73 else:
 74 raise ValueError("Unsupported value for environment variable: 
'TRAITLETS_APPLICATION_RAISE_CONFIG_FILE_ERROR' is set to '%s' which is none of 
 {'0', '1', 'false', 'true', ''}."% _envvar )
 75 
 76 
 77 def catch_config_error(method):
 78 """Method decorator for catching invalid config 
(Trait/ArgumentErrors) during init.
 79 
 80 On a TraitError (generally caused by bad config), this will print 
the trait's
 81 message, and exit the app.
 82 
 83 For use on init methods, to prevent invoking excepthook on invalid 
input.
 84 """
 85 @functools.wraps(method)
 86 def inner(app, *args, **kwargs):
 87 try:
---> 88 return method(app, *args, **kwargs)
global method = undefined
app = 
args = ()
kwargs = {}
 89 except (TraitError, ArgumentError) as e:
 90 app.log.fatal("Bad config encountered during 
initialization: %s", e)
 91 app.log.debug("Config at the time: %s", app.config)
 92 app.exit(1)
 93 
 94 return inner
 95 
 96 class ApplicationError(Exception):
 97 pass
 98 
 99 
100 class LevelFormatter(logging.Formatter):
101 """Formatter with additional `highlevel` record
102 
103 This field is empty if log level is less than highlevel_limit,

/var/tmp/sage-9.5-current/local/var/lib/sage/venv-python3.9.9/lib/python3.9/site-packages/IPython/terminal/ipapp.py
 in initialize(self=, argv=None)
303 
304 return super(TerminalIPythonApp, self).parse_command_line(argv)
305 
306 @catch_config_error
307 def initialize(self, argv=None):
308 """Do actions after construct, but before starting the app."""
309 super(TerminalIPythonApp, self).initialize(argv)
310 if self.subapp is not None:
311 # don't bother